List of companies headquartered in Northern Virginia
Encyclopedia
This is a list of companies headquartered in Northern Virginia
Northern Virginia
Northern Virginia consists of several counties and independent cities in the Commonwealth of Virginia, in a widespread region generally radiating southerly and westward from Washington, D.C...

. Numbers denote Fortune 500
Fortune 500
The Fortune 500 is an annual list compiled and published by Fortune magazine that ranks the top 500 U.S. closely held and public corporations as ranked by their gross revenue after adjustments made by Fortune to exclude the impact of excise taxes companies collect. The list includes publicly and...

 ranking.

The majority of the following companies are located in Fairfax County
Fairfax County, Virginia
Fairfax County is a county in Virginia, in the United States. Per the 2010 Census, the population of the county is 1,081,726, making it the most populous jurisdiction in the Commonwealth of Virginia, with 13.5% of Virginia's population...

, the most populous jurisdiction in Northern Virginia.

Communications and technology

  • Computer Sciences Corporation
    Computer Sciences Corporation
    Computer Sciences Corporation is an American information technology and business services company headquartered in Falls Church, Virginia, USA...

     (Falls Church
    Falls Church, Virginia
    The City of Falls Church is an independent city in Virginia, United States, in the Washington Metropolitan Area. The city population was 12,332 in 2010, up from 10,377 in 2000. Taking its name from The Falls Church, an 18th-century Anglican parish, Falls Church gained township status within...

    ) 155
  • Conrad-Johnson
    Conrad-Johnson
    Conrad-Johnson is a manufacturer of high-end audio electronics, based in Fairfax, Virginia. The company was founded by Dr. Lewis Johnson and Dr. William Conrad in 1977. Its first product was a vacuum tube preamplifier known as the PV-1.-Sources:*...

     (Fairfax
    Fairfax, Virginia
    The City of Fairfax is an independent city forming an enclave within the confines of Fairfax County, in the Commonwealth of Virginia in the United States. Although politically independent of the surrounding county, the City is nevertheless the county seat....

    )
  • GeoEye
    GeoEye
    GeoEye Inc. is a commercial satellite imagery company based in Herndon, Virginia that is the world's largest space imaging corporation....

     (Dulles
    Dulles, Virginia
    Dulles, Virginia is an unincorporated area located in Loudoun County, Virginia, part of the Washington Metropolitan Area. The headquarters of Orbital Sciences Corporation, GeoEye, and ODIN technologies and the former headquarters of MCI Inc...

    )
  • MicroStrategy
    MicroStrategy
    MicroStrategy, Inc. , is a business intelligence software vendor. MicroStrategy's software enables leading organizations worldwide to analyze the vast amounts of data stored across their enterprises to make more strategic business decisions...

     (McLean
    McLean, Virginia
    McLean is an unincorporated community and census-designated place in Fairfax County in Northern Virginia. The community had a total population of 48,115 as of the 2010 census....

    )
  • Morcom International, Inc.
    Morcom International, Inc.
    Morcom International, Inc., based in Chantilly, Virginia, was founded in 1984 as a privately owned company in Virginia, USA. Specializing in radio communication technology, the company has been managed since 1998 by Manuel A. Ojeda, a well known RF communications specialist...

     (Chantilly
    Chantilly, Virginia
    Chantilly is an unincorporated community located in western Fairfax County and southeastern Loudoun County of Northern Virginia. Recognized by the U.S. Census Bureau as a census designated place , the community population was 23,039 as of the 2010 census -- down from 41,041 in 2000, due to the...

    )
  • NeuStar
    NeuStar
    Neustar, Inc. is a provider of clearinghouse and directory services to the global communications and Internet industries.-History:Neustar was incorporated in Delaware in 1998. It started as a business unit within Lockheed Martin Corporation...

     (Sterling
    Sterling, Virginia
    Sterling, Virginia is a census-designated place in Loudoun County, Virginia. The population as of the 2010 Census was 27,822.It is located northwest of Herndon, east of Ashburn, and west of Great Falls, and includes part of Dulles International Airport and the former AOL corporate headquarters...

    )
  • NII Holdings
    NII Holdings
    NII Holdings Inc. , a publicly held company based in Reston, Va., provides mobile communications for business customers in Latin America. NII, which operates under the Nextel brand, has operations in Argentina, Brazil, Chile, Mexico and Peru and offers fully integrated wireless communications...

     (Reston
    Reston, Virginia
    Reston is a census-designated place in Fairfax County, Virginia, United States, within the Washington, D.C. metropolitan area. The population was 58,404, at the 2010 Census and 56,407 at the 2000 census...

    ) 406
  • Proxicom
    Proxicom
    Proxicom, Inc. was an interactive agency that develops custom-tailored interactive and web-enabled solutions for Global 1000 organizations. Founded in 1991 by American entrepreneur and philanthropist Raul Fernandez , Proxicom was one of the original interactive professional services organizations...

     (Reston
    Reston, Virginia
    Reston is a census-designated place in Fairfax County, Virginia, United States, within the Washington, D.C. metropolitan area. The population was 58,404, at the 2010 Census and 56,407 at the 2000 census...

    )
  • RCN Corporation
    RCN Corporation
    RCN Corporation, founded in 1993 and based in Herndon, Virginia, is the first American facilities-based competitive provider of bundled telephone, cable television and high-speed internet service delivered over its own fiber-optic local network to consumers in the Boston, New York, Eastern...

     (Herndon
    Herndon, Virginia
    Herndon is a town in Fairfax County, Virginia, in the Washington, D.C. metropolitan area of the United States. The population was 21,655 at the 2000 census, which makes it the largest of three towns in the county.-History:...

    )
  • ServInt
    ServInt
    The ServInt Corporation is a provider of managed virtual private servers, dedicated web hosting services and open proxies, based in McLean, Virginia, United States.ServInt provides hosting services to tens of thousands of sites all over the world....

     (McLean
    McLean, Virginia
    McLean is an unincorporated community and census-designated place in Fairfax County in Northern Virginia. The community had a total population of 48,115 as of the 2010 census....

    )
  • SkyTerra (Reston
    Reston, Virginia
    Reston is a census-designated place in Fairfax County, Virginia, United States, within the Washington, D.C. metropolitan area. The population was 58,404, at the 2010 Census and 56,407 at the 2000 census...

    )
  • SpaceQuest, Ltd.
    SpaceQuest, Ltd.
    SpaceQuest, Ltd. is a spacecraft components and engineering company located in Fairfax, Virginia, which focuses on the operations of small satellites....

     (Fairfax
    Fairfax, Virginia
    The City of Fairfax is an independent city forming an enclave within the confines of Fairfax County, in the Commonwealth of Virginia in the United States. Although politically independent of the surrounding county, the City is nevertheless the county seat....

    )
  • t/Space
    T/Space
    t/Space is an American aerospace company which was participating in NASA's Commercial Orbital Transportation Services program for delivering cargo and crew to the International Space Station. The company's CEO is Charles Duelfer who ran the search for weapons of mass destruction in Iraq and the...

     (Reston
    Reston, Virginia
    Reston is a census-designated place in Fairfax County, Virginia, United States, within the Washington, D.C. metropolitan area. The population was 58,404, at the 2010 Census and 56,407 at the 2000 census...

    )
  • TerreStar Corporation (Reston
    Reston, Virginia
    Reston is a census-designated place in Fairfax County, Virginia, United States, within the Washington, D.C. metropolitan area. The population was 58,404, at the 2010 Census and 56,407 at the 2000 census...

    )
  • VeriSign
    VeriSign
    Verisign, Inc. is an American company based in Dulles, Virginia that operates a diverse array of network infrastructure, including two of the Internet's thirteen root nameservers, the authoritative registry for the .com, .net, and .name generic top-level domains and the .cc and .tv country-code...

     (Dulles
    Dulles, Virginia
    Dulles, Virginia is an unincorporated area located in Loudoun County, Virginia, part of the Washington Metropolitan Area. The headquarters of Orbital Sciences Corporation, GeoEye, and ODIN technologies and the former headquarters of MCI Inc...

    )
  • Verizon Business
    Verizon Business
    Verizon Business is one of three operating units of Verizon Communications It was created in 2006 when Verizon Communications closed on its merger with MCI, Inc..Verizon Business has over 30,000 employees with 321 offices in 75 countries...

     (Ashburn
    Ashburn, Virginia
    Ashburn, Virginia is a census-designated place located in Loudoun County, Virginia, northwest of Washington, D.C., and is part of the Washington Metropolitan Area...

    )
  • Vision III Imaging, Inc.
    Vision III Imaging, Inc.
    Vision III Imaging is a company located in Vienna, Virginia that specializes in depth enhancement parallax imaging technologies. It has developed the v3 parallax scanning technology for capturing and recording visual parallax information to high definition , motion picture film, standard video, 3D...

     (Vienna
    Vienna, Virginia
    Vienna is a town in Fairfax County, Virginia, United States. As of the 2010 United States Census, it had a population of 15,687. Significantly more people live in zip codes with the Vienna postal addresses bordered approximately by Interstate 66 on the south, Interstate 495 on the east, Route 7 to...

    )
  • Voxant
    Voxant
    Voxant is a new media company based in Herndon, Virginia in the United States. Voxant is a privately held company which was founded in 2004.In April 2006, Voxant launched its new media network, syndicating fully licensed news and information content to Web publishers and bloggers. Today over...

     (Herndon
    Herndon, Virginia
    Herndon is a town in Fairfax County, Virginia, in the Washington, D.C. metropolitan area of the United States. The population was 21,655 at the 2000 census, which makes it the largest of three towns in the county.-History:...

    )
  • XO Communications
    XO Communications
    XO Communications is a telecommunications company owned by XO Holdings, Inc...

     (Herndon
    Herndon, Virginia
    Herndon is a town in Fairfax County, Virginia, in the Washington, D.C. metropolitan area of the United States. The population was 21,655 at the 2000 census, which makes it the largest of three towns in the county.-History:...

    )

Education and learning

  • ESI International
    ESI International
    ESI International, Inc. is a provider of learning-based solutions focused on skills training and consulting in project management, program management, business analysis, business skills and contract management....

     (Arlington
    Arlington County, Virginia
    Arlington County is a county in the Commonwealth of Virginia. The land that became Arlington was originally donated by Virginia to the United States government to form part of the new federal capital district. On February 27, 1801, the United States Congress organized the area as a subdivision of...

    )
  • Graduate Management Admission Council
    Graduate Management Admission Council
    The Graduate Management Admission Council is an international non-profit association of business schools that provides products and services to academic institutions and prospective graduate business students. The organization owns the Graduate Management Admission Test , a standardized exam that...

     (McLean
    McLean, Virginia
    McLean is an unincorporated community and census-designated place in Fairfax County in Northern Virginia. The community had a total population of 48,115 as of the 2010 census....

    )
  • Rosetta Stone
    Rosetta Stone (software)
    Rosetta Stone is proprietary computer-assisted language learning software developed by Rosetta Stone Inc. Both its title and logo refer to the Rosetta Stone, an artifact inscribed in multiple languages that helped Jean-François Champollion to decipher Ancient Egyptian hieroglyphs...

     (Arlington
    Arlington County, Virginia
    Arlington County is a county in the Commonwealth of Virginia. The land that became Arlington was originally donated by Virginia to the United States government to form part of the new federal capital district. On February 27, 1801, the United States Congress organized the area as a subdivision of...

    )
  • The Teaching Company
    The Teaching Company
    The Teaching Company is a Chantilly, Virginia company that produces recordings of lectures by university professors and high-school teachers. It sells the courses in CD, DVD, MPEG-4, and MP3 formats.- Background :...

     (Chantilly
    Chantilly, Virginia
    Chantilly is an unincorporated community located in western Fairfax County and southeastern Loudoun County of Northern Virginia. Recognized by the U.S. Census Bureau as a census designated place , the community population was 23,039 as of the 2010 census -- down from 41,041 in 2000, due to the...

    )
  • Strayer University
    Strayer University
    Strayer University, formerly Strayer College of Baltimore, Maryland, is a private, for-profit educational institution. The Strayer University campuses are owned by Strayer Education, Inc. , headquartered in Herndon, Virginia....

     (Herndon
    Herndon, Virginia
    Herndon is a town in Fairfax County, Virginia, in the Washington, D.C. metropolitan area of the United States. The population was 21,655 at the 2000 census, which makes it the largest of three towns in the county.-History:...

    )

Energy

  • AES Corporation
    AES Corporation
    AES Corporation is a Fortune 500 company that generates and distributes electrical power. The company was founded on January 28, 1981, as Applied Energy Services by Roger Sant from the US Federal Energy Administration and Dennis Bakke from the Office of Management and Budget. AES Corporation is...

     (Arlington
    Arlington County, Virginia
    Arlington County is a county in the Commonwealth of Virginia. The land that became Arlington was originally donated by Virginia to the United States government to form part of the new federal capital district. On February 27, 1801, the United States Congress organized the area as a subdivision of...

    ) 150
  • Touchstone Energy
    Touchstone Energy
    Touchstone Energy Cooperatives is a cooperative federation composed of over 660 local, consumer-owned utility cooperatives in 46 of the 50 United States. Touchstone Energy co-ops serve more than 30 million members. Electric utility cooperatives distribute power for 75 percent of the U.S. land mass...

     (Arlington
    Arlington County, Virginia
    Arlington County is a county in the Commonwealth of Virginia. The land that became Arlington was originally donated by Virginia to the United States government to form part of the new federal capital district. On February 27, 1801, the United States Congress organized the area as a subdivision of...

    )

Financial companies

  • Arlington Asset Investment (Arlington
    Arlington County, Virginia
    Arlington County is a county in the Commonwealth of Virginia. The land that became Arlington was originally donated by Virginia to the United States government to form part of the new federal capital district. On February 27, 1801, the United States Congress organized the area as a subdivision of...

    )
  • Belvoir Federal Credit Union
    Belvoir Federal Credit Union
    Belvoir Federal Credit Union or Belvoir Federal was organized in 1946 by employees of the Engineering Center on Fort Belvoir, Virginia. Since that time, Belvoir Federal has expanded to serve the entire Fort Belvoir community and several Select Employee Groups...

     (Alexandria
    Alexandria, Virginia
    Alexandria is an independent city in the Commonwealth of Virginia. As of 2009, the city had a total population of 139,966. Located along the Western bank of the Potomac River, Alexandria is approximately six miles south of downtown Washington, D.C.Like the rest of northern Virginia, as well as...

    )
  • Capital One (McLean
    McLean, Virginia
    McLean is an unincorporated community and census-designated place in Fairfax County in Northern Virginia. The community had a total population of 48,115 as of the 2010 census....

    ) 134
  • Cardinal Bank
    Cardinal bank
    Cardinal Bank is owned by Cardinal Financial Corporation, a financial holding company. Cardinal's headquarters is in McLean, VA. Cardinal Bank currently has 26 locations in the Washington Metropolitan area...

     (McLean
    McLean, Virginia
    McLean is an unincorporated community and census-designated place in Fairfax County in Northern Virginia. The community had a total population of 48,115 as of the 2010 census....

    )
  • FBR Capital Markets
    FBR Capital Markets
    FBR & Co. provides investment banking, merger and acquisition advisory, institutional brokerage, and research services through its subsidiary FBR Capital Markets & Co. FBR focuses capital and financial expertise on the following industry sectors: consumer; diversified industrials; energy & natural...

     (Arlington
    Arlington County, Virginia
    Arlington County is a county in the Commonwealth of Virginia. The land that became Arlington was originally donated by Virginia to the United States government to form part of the new federal capital district. On February 27, 1801, the United States Congress organized the area as a subdivision of...

    )
  • Freddie Mac (McLean
    McLean, Virginia
    McLean is an unincorporated community and census-designated place in Fairfax County in Northern Virginia. The community had a total population of 48,115 as of the 2010 census....

    ) 20
  • In-Q-Tel
    In-Q-Tel
    In-Q-Tel of Arlington, Virginia, United States is a not-for-profit venture capital firm that invests in high-tech companies for the sole purpose of keeping the Central Intelligence Agency equipped with the latest in information technology in support of United States intelligence capability...

     (Arlington
    Arlington County, Virginia
    Arlington County is a county in the Commonwealth of Virginia. The land that became Arlington was originally donated by Virginia to the United States government to form part of the new federal capital district. On February 27, 1801, the United States Congress organized the area as a subdivision of...

    )
  • Navy Federal Credit Union
    Navy Federal Credit Union
    Navy Federal Credit Union is a credit union headquartered in Vienna, Virginia, chartered and regulated under the authority of the National Credit Union Administration of the U.S. federal government. Navy Federal is the largest natural member credit union in the world, both in asset size and in...

     (Vienna
    Vienna, Virginia
    Vienna is a town in Fairfax County, Virginia, United States. As of the 2010 United States Census, it had a population of 15,687. Significantly more people live in zip codes with the Vienna postal addresses bordered approximately by Interstate 66 on the south, Interstate 495 on the east, Route 7 to...

    )
  • Oxford Finance
    Oxford Finance
    Oxford Finance Corporation provides debt financing to emerging life sciences companies worldwide. The company is often characterized as a "venture lender" due to its close collaboration with the venture capital community. Unlike most venture lenders that provide financing for both technology and...

     (Alexandria
    Alexandria, Virginia
    Alexandria is an independent city in the Commonwealth of Virginia. As of 2009, the city had a total population of 139,966. Located along the Western bank of the Potomac River, Alexandria is approximately six miles south of downtown Washington, D.C.Like the rest of northern Virginia, as well as...

    )
  • Pentagon Federal Credit Union
    Pentagon Federal Credit Union
    Pentagon Federal Credit Union is a federal credit union headquartered in Alexandria, Virginia, chartered and regulated under the authority of the National Credit Union Administration...

     (Alexandria
    Alexandria, Virginia
    Alexandria is an independent city in the Commonwealth of Virginia. As of 2009, the city had a total population of 139,966. Located along the Western bank of the Potomac River, Alexandria is approximately six miles south of downtown Washington, D.C.Like the rest of northern Virginia, as well as...

    )
  • Valhalla Partners
    Valhalla Partners
    Valhalla Partners, based in Vienna, Virginia, is a venture capital firm.The Valhalla team has invested in or served as senior executives in over 100 entrepreneurial companies. Valhalla currently manages approximately $440 million over two funds....

     (Vienna
    Vienna, Virginia
    Vienna is a town in Fairfax County, Virginia, United States. As of the 2010 United States Census, it had a population of 15,687. Significantly more people live in zip codes with the Vienna postal addresses bordered approximately by Interstate 66 on the south, Interstate 495 on the east, Route 7 to...

    )

Government contractors

  • Agent Logic
    Agent Logic
    Agent Logic is a software company with headquarters in Northern Virginia.The company, founded in 1999, is best known for its complex event processing software, RulePoint, which combines user-defined logic with multiple sources of data....

     (Vienna
    Vienna, Virginia
    Vienna is a town in Fairfax County, Virginia, United States. As of the 2010 United States Census, it had a population of 15,687. Significantly more people live in zip codes with the Vienna postal addresses bordered approximately by Interstate 66 on the south, Interstate 495 on the east, Route 7 to...

    )
  • Alion Science and Technology
    Alion Science and Technology
    Alion Science and Technology is an employee-owned technology solutions company delivering technical expertise and operational support to the United States Department of Defense, civilian government agencies and commercial customers....

     (McLean
    McLean, Virginia
    McLean is an unincorporated community and census-designated place in Fairfax County in Northern Virginia. The community had a total population of 48,115 as of the 2010 census....

    )
  • Alliant Techsystems
    Alliant Techsystems
    Alliant Techsystems Inc., most commonly known by its ticker symbol, ', is one of the largest aerospace and defense companies in the United States with more than 18,000 employees in 22 states, Puerto Rico and internationally, and 2010 revenues in excess of an estimated...

     (Arlington
    Arlington County, Virginia
    Arlington County is a county in the Commonwealth of Virginia. The land that became Arlington was originally donated by Virginia to the United States government to form part of the new federal capital district. On February 27, 1801, the United States Congress organized the area as a subdivision of...

    ) 472
  • Argon ST
    Argon ST
    Argon ST is a systems engineering and development company headquartered in Fairfax, VA providing C4ISR solutions to a wide range of customers...

     (Fairfax
    Fairfax, Virginia
    The City of Fairfax is an independent city forming an enclave within the confines of Fairfax County, in the Commonwealth of Virginia in the United States. Although politically independent of the surrounding county, the City is nevertheless the county seat....

    )
  • Booz Allen Hamilton
    Booz Allen Hamilton
    Booz Allen Hamilton Inc. , or more commonly Booz Allen, is an American public consulting firm headquartered in McLean, Fairfax County, Virginia, with 80 other offices throughout the United States. Ralph Shrader is its Chairman and Chief Executive Officer. The firm was founded by Edwin Booz in...

     (McLean
    McLean, Virginia
    McLean is an unincorporated community and census-designated place in Fairfax County in Northern Virginia. The community had a total population of 48,115 as of the 2010 census....

    ) 438
  • Edge Technologies
    Edge Technologies
    Edge Technologies, Inc. is an American software company, focusing on the integration of secure web applications. Edge provides software products and enterprise services to corporations and government agencies...

     (Fairfax
    Fairfax, Virginia
    The City of Fairfax is an independent city forming an enclave within the confines of Fairfax County, in the Commonwealth of Virginia in the United States. Although politically independent of the surrounding county, the City is nevertheless the county seat....

    )
  • General Dynamics
    General Dynamics
    General Dynamics Corporation is a U.S. defense conglomerate formed by mergers and divestitures, and as of 2008 it is the fifth largest defense contractor in the world. Its headquarters are in West Falls Church , unincorporated Fairfax County, Virginia, in the Falls Church area.The company has...

     (Falls Church
    Falls Church, Virginia
    The City of Falls Church is an independent city in Virginia, United States, in the Washington Metropolitan Area. The city population was 12,332 in 2010, up from 10,377 in 2000. Taking its name from The Falls Church, an 18th-century Anglican parish, Falls Church gained township status within...

    ) 86
  • Inhalt Corporation
    Inhalt Corporation
    Inhalt Corporation is a computer technology and consulting corporation headquartered in Fairfax, VA, USA. The company has a wide range of services, including public relations, branding, IT consulting, and business process engineering.-Charter 4-Star:...

     (Fairfax
    Fairfax, Virginia
    The City of Fairfax is an independent city forming an enclave within the confines of Fairfax County, in the Commonwealth of Virginia in the United States. Although politically independent of the surrounding county, the City is nevertheless the county seat....

    )
  • Kellogg Brown and Root Services (Arlington
    Arlington County, Virginia
    Arlington County is a county in the Commonwealth of Virginia. The land that became Arlington was originally donated by Virginia to the United States government to form part of the new federal capital district. On February 27, 1801, the United States Congress organized the area as a subdivision of...

    )
  • Kiewit Federal Group Inc. (Arlington
    Arlington County, Virginia
    Arlington County is a county in the Commonwealth of Virginia. The land that became Arlington was originally donated by Virginia to the United States government to form part of the new federal capital district. On February 27, 1801, the United States Congress organized the area as a subdivision of...

    )
  • ManTech International
    Mantech International
    ManTech International Corporation was co-founded in 1968 by George J. Pedersen. The company’s main purpose is to deliver upcoming information technology and technical services to federal government customers. ManTech has grown to become one of the U.S...

     (Fairfax
    Fairfax, Virginia
    The City of Fairfax is an independent city forming an enclave within the confines of Fairfax County, in the Commonwealth of Virginia in the United States. Although politically independent of the surrounding county, the City is nevertheless the county seat....

    )
  • Maximus Inc.
    Maximus Inc.
    Maximus Inc. , trademarked as MAXIMUS, is an American for-profit privatizing company which provides program management and consulting services to local and state governments across the United States, including each of the fifty states...

     (Reston
    Reston, Virginia
    Reston is a census-designated place in Fairfax County, Virginia, United States, within the Washington, D.C. metropolitan area. The population was 58,404, at the 2010 Census and 56,407 at the 2000 census...

    )
  • NJVC
    NJVC
    NJVC is an information technology solutions provider supporting the federal government and the United States Department of Defense. The company supports intelligence, defense and geospatial organizations, including the National Geospatial-Intelligence Agency . NJVC was founded in 2000 and...

     (Vienna
    Vienna, Virginia
    Vienna is a town in Fairfax County, Virginia, United States. As of the 2010 United States Census, it had a population of 15,687. Significantly more people live in zip codes with the Vienna postal addresses bordered approximately by Interstate 66 on the south, Interstate 495 on the east, Route 7 to...

    )
  • Nortel Government Solutions
    Nortel Government Solutions
    Avaya Government Solutions Inc. is an American corporation based in Fairfax, Virginia. Avaya Government Solutions is a wholly owned subsidiary of Avaya Inc., created by the merger of Avaya Federal Solutions and Nortel Government Solutions in 2009...

     (Fairfax
    Fairfax, Virginia
    The City of Fairfax is an independent city forming an enclave within the confines of Fairfax County, in the Commonwealth of Virginia in the United States. Although politically independent of the surrounding county, the City is nevertheless the county seat....

    )
  • Northrop Grumman
    Northrop Grumman
    Northrop Grumman Corporation is an American global aerospace and defense technology company formed by the 1994 purchase of Grumman by Northrop. The company was the fourth-largest defense contractor in the world as of 2010, and the largest builder of naval vessels. Northrop Grumman employs over...

     (Falls Church
    Falls Church, Virginia
    The City of Falls Church is an independent city in Virginia, United States, in the Washington Metropolitan Area. The city population was 12,332 in 2010, up from 10,377 in 2000. Taking its name from The Falls Church, an 18th-century Anglican parish, Falls Church gained township status within...

    ) 72
  • Objective Interface Systems
    Objective Interface Systems
    Objective Interface Systems, Inc. is a computer communications software and hardware company. The company's headquarters are in Herndon, Virginia, USA...

     (Herndon
    Herndon, Virginia
    Herndon is a town in Fairfax County, Virginia, in the Washington, D.C. metropolitan area of the United States. The population was 21,655 at the 2000 census, which makes it the largest of three towns in the county.-History:...

    )
  • Optimized Systems & Solutions (Reston
    Reston, Virginia
    Reston is a census-designated place in Fairfax County, Virginia, United States, within the Washington, D.C. metropolitan area. The population was 58,404, at the 2010 Census and 56,407 at the 2000 census...

    )
  • Orbital Sciences
    Orbital Sciences Corporation
    Orbital Sciences Corporation is an American company which specializes in the manufacturing and launch of satellites. Its Launch Systems Group is heavily involved with missile defense launch systems...

     (Dulles
    Dulles, Virginia
    Dulles, Virginia is an unincorporated area located in Loudoun County, Virginia, part of the Washington Metropolitan Area. The headquarters of Orbital Sciences Corporation, GeoEye, and ODIN technologies and the former headquarters of MCI Inc...

    )
  • Rannoch Corp.
    Rannoch Corp.
    Rannoch Corporation, was an American company based in Alexandria, Virginia. It was a research, development and production company working in the field of radar tracking for airport management, ground and airspace control and air defence....

     (Alexandria
    Alexandria, Virginia
    Alexandria is an independent city in the Commonwealth of Virginia. As of 2009, the city had a total population of 139,966. Located along the Western bank of the Potomac River, Alexandria is approximately six miles south of downtown Washington, D.C.Like the rest of northern Virginia, as well as...

    )
  • SAIC (McLean
    McLean, Virginia
    McLean is an unincorporated community and census-designated place in Fairfax County in Northern Virginia. The community had a total population of 48,115 as of the 2010 census....

    ) 219
  • SRA International
    SRA International
    SRA International, Inc. is an information technology services and solutions consulting company incorporated as Systems Research and Applications Corporation in 1976 and beginning operations in 1978. Founded by Dr. Ernst Volgenau, it is headquartered in Fairfax, Virginia, and employs 7200 people...

     (Fairfax
    Fairfax, Virginia
    The City of Fairfax is an independent city forming an enclave within the confines of Fairfax County, in the Commonwealth of Virginia in the United States. Although politically independent of the surrounding county, the City is nevertheless the county seat....

    )
  • Stanley
    Stanley (company)
    Stanley, Inc. , acquired by CGI Group in 2010, is an information technology company based in Arlington, Virginia. Founded in 1966, it operated as a small, entrepreneurial consulting company....

     (Alexandria
    Alexandria, Virginia
    Alexandria is an independent city in the Commonwealth of Virginia. As of 2009, the city had a total population of 139,966. Located along the Western bank of the Potomac River, Alexandria is approximately six miles south of downtown Washington, D.C.Like the rest of northern Virginia, as well as...

    )
  • System Planning Corporation
    System Planning Corporation
    System Planning Corporation is a Virginia based corporation that conducts research and produces electronics and computer software for the United States Department of Defense and other federal government agencies in the support of National security....

     (Arlington
    Arlington County, Virginia
    Arlington County is a county in the Commonwealth of Virginia. The land that became Arlington was originally donated by Virginia to the United States government to form part of the new federal capital district. On February 27, 1801, the United States Congress organized the area as a subdivision of...

    )
  • Transmitter Location Systems
    Transmitter Location Systems
    Transmitter Location Systems, LLC is a satellite radio interference geolocation company based in Chantilly, Virginia, U.S.A.TLS's only business is geolocating the source of satellite radio interference, including one incident when a base in Cuba was jamming U.S. satellite broadcasts to Iran...

     (Chantilly
    Chantilly, Virginia
    Chantilly is an unincorporated community located in western Fairfax County and southeastern Loudoun County of Northern Virginia. Recognized by the U.S. Census Bureau as a census designated place , the community population was 23,039 as of the 2010 census -- down from 41,041 in 2000, due to the...

    )

Health

  • MHM Services
    MHM Services
    MHM Services, Inc. is a privately held mental health services provider in Tysons Corner, VA. The company's principal customers are state and local governments.MHM employs over 2,000 clinical, management, and support staff nationwide...

     (Vienna
    Vienna, Virginia
    Vienna is a town in Fairfax County, Virginia, United States. As of the 2010 United States Census, it had a population of 15,687. Significantly more people live in zip codes with the Vienna postal addresses bordered approximately by Interstate 66 on the south, Interstate 495 on the east, Route 7 to...

    )
  • Orthotic Prosthetic Center
    Orthotic Prosthetic Center
    The Orthotic Prosthetic Center is a family owned and operated prosthetics lab with offices in Fairfax, Virginia and Rockville, Maryland. The company is also featured on Rebuilt: The Human Body Shop, a reality TV show that debuted in January 2006 on the Discovery Health Channel. OPC was founded in...

     (Fairfax
    Fairfax, Virginia
    The City of Fairfax is an independent city forming an enclave within the confines of Fairfax County, in the Commonwealth of Virginia in the United States. Although politically independent of the surrounding county, the City is nevertheless the county seat....

    )

Internet and software

  • AppAssure Software
    AppAssure Software
    AppAssure Software is a manufacturer of application backup and recovery software.AppAssure Software was founded by current CEO Najaf Husain in 2006. In 2008, AppAssure Software received a "Series A" investment by Bain Capital Ventures....

     (Reston
    Reston, Virginia
    Reston is a census-designated place in Fairfax County, Virginia, United States, within the Washington, D.C. metropolitan area. The population was 58,404, at the 2010 Census and 56,407 at the 2000 census...

    )
  • Applied Predictive Technologies
    Applied Predictive Technologies
    Applied Predictive Technologies is a software company that provides business analytics software to other businesses, along with support, training, and consulting services for its software. APT's clients include Starbucks, Subway, Royal Bank of Canada, and more than 40 of the Fortune 500 across a...

     (Arlington)
  • Capitol Advantage
    Capitol Advantage
    Capitol Advantage is a Fairfax, VA based technology company. Roll Call acquired Capitol Advantage for $43 million in August 2008.The company is the largest publisher of Congressional directories in the country as well as the market leader in software for online advocacy, having over 1,700 clients...

     (Fairfax
    Fairfax, Virginia
    The City of Fairfax is an independent city forming an enclave within the confines of Fairfax County, in the Commonwealth of Virginia in the United States. Although politically independent of the surrounding county, the City is nevertheless the county seat....

    )
  • Clarabridge
    Clarabridge
    Clarabridge is a software company formed in 2005 in Reston, VA. Clarabridge offers its Clarabridge Enterprise and Clarabridge Professional products as SaaS and on premise software solutions that utilize sentiment and text analytics to automatically collect, categorize and report on structured and...

     (Reston
    Reston, Virginia
    Reston is a census-designated place in Fairfax County, Virginia, United States, within the Washington, D.C. metropolitan area. The population was 58,404, at the 2010 Census and 56,407 at the 2000 census...

    )
  • ComScore
    ComScore
    comScore is a Internet marketing research company providing marketing data and services to many of the Internet's largest businesses. comScore tracks all internet data on its surveyed computers in order to study online behavior....

     (Reston
    Reston, Virginia
    Reston is a census-designated place in Fairfax County, Virginia, United States, within the Washington, D.C. metropolitan area. The population was 58,404, at the 2010 Census and 56,407 at the 2000 census...

    )
  • Booksfree
    Booksfree
    Booksfree is an online book rental company, the first to offer flat rate rental-by-mail to customers in the United States. Established in 2000 and headquartered in Vienna, Virginia, it boasts an inventory of over 100,000 titles and more than 13,000 subscribers...

     (Vienna
    Vienna, Virginia
    Vienna is a town in Fairfax County, Virginia, United States. As of the 2010 United States Census, it had a population of 15,687. Significantly more people live in zip codes with the Vienna postal addresses bordered approximately by Interstate 66 on the south, Interstate 495 on the east, Route 7 to...

    )
  • I-agent
    I-agent
    I-Agent.com is a website owned and operated by I-Agent LLC. The company is real estate service based. The website is an information source for the services provided by the company, including home buying, selling, and rental, real estate consulting, marketing, and affiliated business referral. The...

     (Fairfax
    Fairfax, Virginia
    The City of Fairfax is an independent city forming an enclave within the confines of Fairfax County, in the Commonwealth of Virginia in the United States. Although politically independent of the surrounding county, the City is nevertheless the county seat....

    )
  • Motley Fool
    Motley Fool
    The Motley Fool is a multimedia financial-services company that provides financial solutions for investors through various stock, investing, and personal finance products. The Alexandria, Virginia-based private company was founded in July 1993 by co-chairmen and brothers David and Tom Gardner, and...

     (Alexandria
    Alexandria, Virginia
    Alexandria is an independent city in the Commonwealth of Virginia. As of 2009, the city had a total population of 139,966. Located along the Western bank of the Potomac River, Alexandria is approximately six miles south of downtown Washington, D.C.Like the rest of northern Virginia, as well as...

    )
  • ThinkFun
    ThinkFun
    ThinkFun, formerly known as Binary Arts, was founded in 1985 by Bill Ritchie and Andrea Barthello. The two started the company from the basement of their home in Virginia, with a product base that initially consisted of four games invented by a family friend William Keister...

     (Alexandria
    Alexandria, Virginia
    Alexandria is an independent city in the Commonwealth of Virginia. As of 2009, the city had a total population of 139,966. Located along the Western bank of the Potomac River, Alexandria is approximately six miles south of downtown Washington, D.C.Like the rest of northern Virginia, as well as...

    )
  • ThinkGeek
    ThinkGeek
    ThinkGeek is an American online retailer that caters to computer enthusiasts and other "geeky" social groups. Their merchandise includes clothing, electronic and scientific gadgets, unusual computer peripherals, office toys, pet toys, child toys, and caffeinated drinks and candy...

     (Fairfax
    Fairfax, Virginia
    The City of Fairfax is an independent city forming an enclave within the confines of Fairfax County, in the Commonwealth of Virginia in the United States. Although politically independent of the surrounding county, the City is nevertheless the county seat....

    )
  • Wrong Planet
    Wrong Planet
    Wrong Planet is an online community for individuals with autism and Asperger syndrome. The site was started in 2004 by Dan Grover and Alex Plank and includes a chatroom, a large forum, a dating section, and articles describing how to deal with daily issues...

     (Fairfax
    Fairfax, Virginia
    The City of Fairfax is an independent city forming an enclave within the confines of Fairfax County, in the Commonwealth of Virginia in the United States. Although politically independent of the surrounding county, the City is nevertheless the county seat....

    )

Private military contractors

  • CACI
    CACI
    CACI International Inc is a professional services and information technology company headquartered in Arlington, Virginia. CACI is a member of the Fortune 1000 Largest Companies and the Russell 2000 index. The company has approximately 13,700 employees in over 120 offices in the U.S. and...

     (Arlington
    Arlington County, Virginia
    Arlington County is a county in the Commonwealth of Virginia. The land that became Arlington was originally donated by Virginia to the United States government to form part of the new federal capital district. On February 27, 1801, the United States Congress organized the area as a subdivision of...

    )
  • DynCorp International
    DynCorp International
    DynCorp International is a United States-based private military contractor. Begun as an aviation company, the company now also provides air operations support, training and mentoring, international development, intelligence training and support, contingency operations, security, and operations and...

     (Falls Church
    Falls Church, Virginia
    The City of Falls Church is an independent city in Virginia, United States, in the Washington Metropolitan Area. The city population was 12,332 in 2010, up from 10,377 in 2000. Taking its name from The Falls Church, an 18th-century Anglican parish, Falls Church gained township status within...

    )
  • Military Professional Resources (Alexandria
    Alexandria, Virginia
    Alexandria is an independent city in the Commonwealth of Virginia. As of 2009, the city had a total population of 139,966. Located along the Western bank of the Potomac River, Alexandria is approximately six miles south of downtown Washington, D.C.Like the rest of northern Virginia, as well as...

    )
  • MVM, Inc.
    MVM, Inc.
    MVM is a company headquartered in Ashburn, Virginia, United States.It is a private security contractor that provides security contractors, staffing, training, translation and related services to U.S. Government clients.-Foundation:...

     (Vienna
    Vienna, Virginia
    Vienna is a town in Fairfax County, Virginia, United States. As of the 2010 United States Census, it had a population of 15,687. Significantly more people live in zip codes with the Vienna postal addresses bordered approximately by Interstate 66 on the south, Interstate 495 on the east, Route 7 to...

    )
  • Triple Canopy, Inc.
    Triple Canopy, Inc.
    Triple Canopy, Inc., is a private company that provides integrated security, mission support and risk management services to corporate, government and non-profit clients. The firm was founded in May 2003 by U.S. Army Special Forces veterans, including former Delta Force personnel...

     (Herndon
    Herndon, Virginia
    Herndon is a town in Fairfax County, Virginia, in the Washington, D.C. metropolitan area of the United States. The population was 21,655 at the 2000 census, which makes it the largest of three towns in the county.-History:...

    )
  • Vinnell (Fairfax
    Fairfax, Virginia
    The City of Fairfax is an independent city forming an enclave within the confines of Fairfax County, in the Commonwealth of Virginia in the United States. Although politically independent of the surrounding county, the City is nevertheless the county seat....

    )

Real estate

  • Aaron J. Browning, Realtor Keller Williams Realty (Northern Virginia
    Northern Virginia
    Northern Virginia consists of several counties and independent cities in the Commonwealth of Virginia, in a widespread region generally radiating southerly and westward from Washington, D.C...

    )
  • Calkain Companies, Inc.
    Calkain Companies, Inc.
    Calkain Companies is a national, commercial real estate firm, focusing on net lease investments, that provides brokerage and consulting services for both private and institutional clientele...

     (Reston
    Reston, Virginia
    Reston is a census-designated place in Fairfax County, Virginia, United States, within the Washington, D.C. metropolitan area. The population was 58,404, at the 2010 Census and 56,407 at the 2000 census...

    )
  • NVR Incorporated (Reston
    Reston, Virginia
    Reston is a census-designated place in Fairfax County, Virginia, United States, within the Washington, D.C. metropolitan area. The population was 58,404, at the 2010 Census and 56,407 at the 2000 census...

    )

Transportation

  • Compass Airlines
    Compass Airlines (North America)
    Compass Airlines is a regional airline headquartered at Minneapolis-St. Paul International Airport in Fort Snelling, Hennepin County, Minnesota; prior to December 16, 2009, it was headquartered in unincorporated Fairfax County, Virginia, United States, east of the Chantilly CDP...

     (Chantilly
    Chantilly, Virginia
    Chantilly is an unincorporated community located in western Fairfax County and southeastern Loudoun County of Northern Virginia. Recognized by the U.S. Census Bureau as a census designated place , the community population was 23,039 as of the 2010 census -- down from 41,041 in 2000, due to the...

    )
  • Easterns Automotive Group
    Easterns Automotive Group
    Easterns Automotive Group is an automobile dealer in the United States. The first Easterns Automotive Group dealership was opened in 1991 in Arlington, Virginia by founder Robert S. Bassam...

     (Reston
    Reston, Virginia
    Reston is a census-designated place in Fairfax County, Virginia, United States, within the Washington, D.C. metropolitan area. The population was 58,404, at the 2010 Census and 56,407 at the 2000 census...

    )
  • Interstate Van Lines
    Interstate Van Lines
    Interstate Van Lines is a moving van company that was founded by Arthur E. Morrissette in 1943, and is still led by members of the Morissette family. It is based in Springfield, Virginia and handles storage and shipping for corporate and government clients, including AOL, Hewlett Packard and the US...

     (Springfield
    Springfield, Virginia
    Springfield is a census-designated place in Fairfax County, Virginia, United States and a suburb of Washington, D.C. The Springfield CDP is recognized by the U.S. Census Bureau with a population of 30,484 as of the 2010 census. Homes and businesses in bordering CDPs including North Springfield,...

    )
  • Robinson Terminal
    Robinson Terminal
    Robinson Terminal Warehouse Corporation is a warehouse company based in Alexandria, Virginia. The company primarily handles newsprint for its owner, The Washington Post Company. It operates two deep-water berths alongside the Potomac River, one at the terminus of Oronoco Street, the other at the...

     (Alexandria
    Alexandria, Virginia
    Alexandria is an independent city in the Commonwealth of Virginia. As of 2009, the city had a total population of 139,966. Located along the Western bank of the Potomac River, Alexandria is approximately six miles south of downtown Washington, D.C.Like the rest of northern Virginia, as well as...

    )
  • Trailways Transportation System
    Trailways Transportation System
    The Trailways Transportation System is an American group of 80 independent bus companies that have entered into a franchising agreement. The company is headquartered in Fairfax, Virginia.- History :...

     (Fairfax
    Fairfax, Virginia
    The City of Fairfax is an independent city forming an enclave within the confines of Fairfax County, in the Commonwealth of Virginia in the United States. Although politically independent of the surrounding county, the City is nevertheless the county seat....

    )

Other

  • Alcalde & Fay (Arlington
    Arlington County, Virginia
    Arlington County is a county in the Commonwealth of Virginia. The land that became Arlington was originally donated by Virginia to the United States government to form part of the new federal capital district. On February 27, 1801, the United States Congress organized the area as a subdivision of...

    )
  • Alpha Industries
    Alpha Industries
    Alpha Industries is an American clothing manufacturer founded in 1959 in Knoxville, Tennessee. Initially as a contractor to the United States military, the company grew into an international commercial seller of American military style and fashion apparel...

     (Chantilly
    Chantilly, Virginia
    Chantilly is an unincorporated community located in western Fairfax County and southeastern Loudoun County of Northern Virginia. Recognized by the U.S. Census Bureau as a census designated place , the community population was 23,039 as of the 2010 census -- down from 41,041 in 2000, due to the...

    )
  • Architecture, Incorporated
    Architecture, Incorporated
    Architecture, Incorporated is a design firm based out of the Washington Metropolitan Area, in Reston, Virginia and Ft Myers, Florida. The architecture and interior architecture design firm is also recognized as Architecture, Inc. and Arch Inc. for short...

     (Reston
    Reston, Virginia
    Reston is a census-designated place in Fairfax County, Virginia, United States, within the Washington, D.C. metropolitan area. The population was 58,404, at the 2010 Census and 56,407 at the 2000 census...

    )
  • Corporate Executive Board, USA (Arlington
    Arlington County, Virginia
    Arlington County is a county in the Commonwealth of Virginia. The land that became Arlington was originally donated by Virginia to the United States government to form part of the new federal capital district. On February 27, 1801, the United States Congress organized the area as a subdivision of...

    )
  • Gannett Company (McLean
    McLean, Virginia
    McLean is an unincorporated community and census-designated place in Fairfax County in Northern Virginia. The community had a total population of 48,115 as of the 2010 census....

    ) 415
    • USA Today
      USA Today
      USA Today is a national American daily newspaper published by the Gannett Company. It was founded by Al Neuharth. The newspaper vies with The Wall Street Journal for the position of having the widest circulation of any newspaper in the United States, something it previously held since 2003...

       (McLean
      McLean, Virginia
      McLean is an unincorporated community and census-designated place in Fairfax County in Northern Virginia. The community had a total population of 48,115 as of the 2010 census....

      )
  • Hilton Hotels Corporation
    Hilton Hotels Corporation
    Hilton Worldwide is a global hospitality company. It is owned by the Blackstone Group, a private equity firm. As of July 2011 Hilton brands encompass 3,750 hotels with over 600,000 rooms in 84 countries...

     (McLean
    McLean, Virginia
    McLean is an unincorporated community and census-designated place in Fairfax County in Northern Virginia. The community had a total population of 48,115 as of the 2010 census....

    )
  • Mars, Incorporated
    Mars, Incorporated
    Mars, Incorporated is a worldwide manufacturer of confectionery, pet food, and other food products with US$30 billion in annual sales in 2010, and is ranked as the 5th largest privately held company in the United States by Forbes. Headquartered in McLean, unincorporated Fairfax County, Virginia,...

     (McLean
    McLean, Virginia
    McLean is an unincorporated community and census-designated place in Fairfax County in Northern Virginia. The community had a total population of 48,115 as of the 2010 census....

    )
  • Oblon, Spivak, McClelland, Maier & Neustadt
    Oblon, Spivak, McClelland, Maier & Neustadt
    Oblon, Spivak, McClelland, Maier & Neustadt, L.L.P. is an intellectual property law firm in Alexandria, Virginia. Founded in 1968, Oblon Spivak is the eighth largest law firm in Virginia with approximately 100 attorneys...

     (Alexandria
    Alexandria, Virginia
    Alexandria is an independent city in the Commonwealth of Virginia. As of 2009, the city had a total population of 139,966. Located along the Western bank of the Potomac River, Alexandria is approximately six miles south of downtown Washington, D.C.Like the rest of northern Virginia, as well as...

    )
  • Space Adventures
    Space Adventures
    Space Adventures, Ltd. is a Virginia, USA-based space tourism company founded in 1998 by Eric C. Anderson. , offerings include zero-gravity atmospheric flights, orbital spaceflights , and other spaceflight-related experiences including cosmonaut training, spacewalk training, and launch tours...

     (Vienna
    Vienna, Virginia
    Vienna is a town in Fairfax County, Virginia, United States. As of the 2010 United States Census, it had a population of 15,687. Significantly more people live in zip codes with the Vienna postal addresses bordered approximately by Interstate 66 on the south, Interstate 495 on the east, Route 7 to...

    )
  • Sunrise Senior Living
    Sunrise Senior Living
    Sunrise Senior Living, Inc. is a senior living company based in Tysons Corner, unincorporated Fairfax County, northern Virginia, which operates over 300 Sunrise locations in the United States, Canada and the United Kingdom. Sunrise specializes in Alzheimer's care, Assisted living and Skilled nursing...

     (McLean
    McLean, Virginia
    McLean is an unincorporated community and census-designated place in Fairfax County in Northern Virginia. The community had a total population of 48,115 as of the 2010 census....

    )

Foreign companies

  • Airbus
    Airbus
    Airbus SAS is an aircraft manufacturing subsidiary of EADS, a European aerospace company. Based in Blagnac, France, surburb of Toulouse, and with significant activity across Europe, the company produces around half of the world's jet airliners....

     North America (Herndon
    Herndon, Virginia
    Herndon is a town in Fairfax County, Virginia, in the Washington, D.C. metropolitan area of the United States. The population was 21,655 at the 2000 census, which makes it the largest of three towns in the county.-History:...

    )
  • BAE Systems Customer Solutions (Arlington
    Arlington County, Virginia
    Arlington County is a county in the Commonwealth of Virginia. The land that became Arlington was originally donated by Virginia to the United States government to form part of the new federal capital district. On February 27, 1801, the United States Congress organized the area as a subdivision of...

    )
  • Dynamotive Energy Systems
    Dynamotive Energy Systems
    Dynamotive Energy Systems Corporation is a Canadian based Renewable Energy Company which specializes in fast pyrolysis, a process which creates a product named BioOil. Its only other residue is char. Dynamotive is currently traded on the OTCBB under the symbol DYMTF.-Timeline:Dynamotive was...

     (McLean
    McLean, Virginia
    McLean is an unincorporated community and census-designated place in Fairfax County in Northern Virginia. The community had a total population of 48,115 as of the 2010 census....

    )
  • EADS
    EADS
    The European Aeronautic Defence and Space Company N.V. is a global pan-European aerospace and defence corporation and a leading defence and military contractor worldwide...

     North America (Arlington
    Arlington County, Virginia
    Arlington County is a county in the Commonwealth of Virginia. The land that became Arlington was originally donated by Virginia to the United States government to form part of the new federal capital district. On February 27, 1801, the United States Congress organized the area as a subdivision of...

    )
  • FNH
    Fabrique Nationale de Herstal
    Fabrique Nationale d'Herstal — self identified as FN Herstal and often referred to as Fabrique Nationale or simply FN — is a firearms manufacturer located in Herstal, Belgium....

     USA (Fredericksburg
    Fredericksburg, Virginia
    Fredericksburg is an independent city in the Commonwealth of Virginia located south of Washington, D.C., and north of Richmond. As of the 2010 census, the city had a population of 24,286...

    )
  • Heckler & Koch
    Heckler & Koch
    Heckler & Koch GmbH is a German defense manufacturing company that produces various small arms. Some of their products include the SA80, MP5 submachine gun, G3 automatic rifle, the G36 assault rifle, the HK 416, the MP7 personal defense weapon, the USP series of handguns, and the high-precision...

     Inc. (Ashburn
    Ashburn, Virginia
    Ashburn, Virginia is a census-designated place located in Loudoun County, Virginia, northwest of Washington, D.C., and is part of the Washington Metropolitan Area...

    )
  • Lafarge
    Lafarge
    Lafarge is a French industrial company specialising in four major products: cement, construction aggregates, concrete and gypsum wallboard. In 2010 the company was the world's second-largest cement manufacturer by mass shipped behind Holcim.-History:...

     North America (Herndon
    Herndon, Virginia
    Herndon is a town in Fairfax County, Virginia, in the Washington, D.C. metropolitan area of the United States. The population was 21,655 at the 2000 census, which makes it the largest of three towns in the county.-History:...

    )
  • Mitsubishi
    Mitsubishi Heavy Industries
    , or MHI, is a Japanese company. It is one of the core companies of Mitsubishi Group.-History:In 1870 Yataro Iwasaki, the founder of Mitsubishi took a lease of Government-owned Nagasaki Shipyard. He named it Nagasaki Shipyard & Machinery Works, and started the shipbuilding business on a full scale...

     Nuclear Energy Systems Inc. (Arlington
    Arlington County, Virginia
    Arlington County is a county in the Commonwealth of Virginia. The land that became Arlington was originally donated by Virginia to the United States government to form part of the new federal capital district. On February 27, 1801, the United States Congress organized the area as a subdivision of...

    )
  • Rolls-Royce North America
    Rolls-Royce North America
    Rolls-Royce North America, Inc. is a subsidiary of Rolls-Royce plc involved principally in the manufacture of gas turbine engines and other propulsion systems...

     (Reston
    Reston, Virginia
    Reston is a census-designated place in Fairfax County, Virginia, United States, within the Washington, D.C. metropolitan area. The population was 58,404, at the 2010 Census and 56,407 at the 2000 census...

    )
  • QinetiQ
    QinetiQ
    Qinetiq is a British global defence technology company, formed from the greater part of the former UK government agency, Defence Evaluation and Research Agency , when it was split up in June 2001...

     North America (McLean
    McLean, Virginia
    McLean is an unincorporated community and census-designated place in Fairfax County in Northern Virginia. The community had a total population of 48,115 as of the 2010 census....

    )
  • Saab
    Saab
    Saab AB is a Swedish aerospace and defence company, founded in 1937. From 1947 to 1990 it was the parent company of automobile manufacturer Saab Automobile, and between 1968 and 1995 the company was in a merger with commercial vehicle manufacturer Scania, known as Saab-Scania.-History:"Svenska...

     Aerotech of America LLC (Sterling
    Sterling, Virginia
    Sterling, Virginia is a census-designated place in Loudoun County, Virginia. The population as of the 2010 Census was 27,822.It is located northwest of Herndon, east of Ashburn, and west of Great Falls, and includes part of Dulles International Airport and the former AOL corporate headquarters...

    )
  • Volkswagen Group of America (Herndon
    Herndon, Virginia
    Herndon is a town in Fairfax County, Virginia, in the Washington, D.C. metropolitan area of the United States. The population was 21,655 at the 2000 census, which makes it the largest of three towns in the county.-History:...

    )

See also

The source of this article is wikipedia, the free encyclopedia.  The text of this article is licensed under the GFDL.
 
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