Thomas Properties Group is an American

United States

The United States of America is a federal constitutional republic comprising fifty states and a federal district...

 real estate

Real estate

In general use, esp. North American, 'real estate' is taken to mean "Property consisting of land and the buildings on it, along with its natural resources such as crops, minerals, or water; immovable property of this nature; an interest vested in this; an item of real property; buildings or...

 company based out of Los Angeles, California

Los Angeles, California

Los Angeles , with a population at the 2010 United States Census of 3,792,621, is the most populous city in California, USA and the second most populous in the United States, after New York City. It has an area of , and is located in Southern California...

. Incorporated on March 9, 2004, they own properties in California

California

California is a state located on the West Coast of the United States. It is by far the most populous U.S. state, and the third-largest by land area...

, Pennsylvania

Pennsylvania

The Commonwealth of Pennsylvania is a U.S. state that is located in the Northeastern and Mid-Atlantic regions of the United States. The state borders Delaware and Maryland to the south, West Virginia to the southwest, Ohio to the west, New York and Ontario, Canada, to the north, and New Jersey to...

, Virginia

Virginia

The Commonwealth of Virginia , is a U.S. state on the Atlantic Coast of the Southern United States. Virginia is nicknamed the "Old Dominion" and sometimes the "Mother of Presidents" after the eight U.S. presidents born there...

, and Texas

Texas

Texas is the second largest U.S. state by both area and population, and the largest state by area in the contiguous United States.The name, based on the Caddo word "Tejas" meaning "friends" or "allies", was applied by the Spanish to the Caddo themselves and to the region of their settlement in...

.

On July 1, 2007, Lehman Brothers

Lehman Brothers

Lehman Brothers Holdings Inc. was a global financial services firm. Before declaring bankruptcy in 2008, Lehman was the fourth largest investment bank in the USA , doing business in investment banking, equity and fixed-income sales and trading Lehman Brothers Holdings Inc. (former NYSE ticker...

 and the California State Teachers Retirement System partnered with Thomas Properties to buy several properties in Austin, Texas

Austin, Texas

Austin is the capital city of the U.S. state of :Texas and the seat of Travis County. Located in Central Texas on the eastern edge of the American Southwest, it is the fourth-largest city in Texas and the 14th most populous city in the United States. It was the third-fastest-growing large city in...

 that the Blackstone Group

Blackstone Group

The Blackstone Group L.P. is an American-based alternative asset management and financial services company that specializes in private equity, real estate, and credit and marketable alternative investment strategies, as well as financial advisory services, such as mergers and acquisitions ,...

 had acquired from Equity Office Properties Trust

Equity Office Properties Trust

Equity Office Properties Trust, formed in 1976 by Samuel Zell and headquartered in Chicago, Illinois, was the largest owner of office buildings in the United States until the Blackstone Group acquired them in February 2007 for $23 billion plus the assumption of $16 billion in debt...

. http://finance.google.com/finance?q=TPGI

Awards

In 2008 Thomas Properties Group received the California Sustainability Alliance's

California Sustainability Alliance

The California Sustainability Alliance is an organization funded by the California IOUs to bring together key stakeholders needed to overcome the obstacles of sustainability. The Alliance was designed in 2008 to help meet the State’s aggressive climate, energy and other resource and environmental...

 Sustainability Showcase Award. Thomas Properties Group was recognized for their leadership in greening real estate and in integrating sustainable design

Sustainable design

Sustainable design is the philosophy of designing physical objects, the built environment, and services to comply with the principles of economic, social, and ecological sustainability.-Intentions:The intention of sustainable design is to "eliminate negative environmental...

and operations into all aspects of its products, services and investments.