Pentrex Media Group, LLC, is an American

United States

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

 producer and seller of railfan

Railfan

A railfan or rail buff , railway enthusiast or railway buff , or trainspotter , is a person interested in a recreational capacity in rail transport...

-related video

Video

Video is the technology of electronically capturing, recording, processing, storing, transmitting, and reconstructing a sequence of still images representing scenes in motion.- History :...

s and DVD

DVD

A DVD is an optical disc storage media format, invented and developed by Philips, Sony, Toshiba, and Panasonic in 1995. DVDs offer higher storage capacity than Compact Discs while having the same dimensions....

s, founded in 1984 and currently based in Pasadena

Pasadena, California

Pasadena is a city in Los Angeles County, California, United States. Although famous for hosting the annual Rose Bowl football game and Tournament of Roses Parade, Pasadena is the home to many scientific and cultural institutions, including the California Institute of Technology , the Jet...

, 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...

. The company discontinued the sale of VHS

VHS

The Video Home System is a consumer-level analog recording videocassette standard developed by Victor Company of Japan ....

 video tapes on July 31, 2009.

Until 1999, Pentrex also published book

Book

A book is a set or collection of written, printed, illustrated, or blank sheets, made of hot lava, paper, parchment, or other materials, usually fastened together to hinge at one side. A single sheet within a book is called a leaf or leaflet, and each side of a leaf is called a page...

s and magazine

Magazine

Magazines, periodicals, glossies or serials are publications, generally published on a regular schedule, containing a variety of articles. They are generally financed by advertising, by a purchase price, by pre-paid magazine subscriptions, or all three...

s, and its magazine editorial offices were relocated in Waukesha

Waukesha, Wisconsin

Waukesha is a city in and the county seat of Waukesha County, Wisconsin, in the Upper Midwest region of the United States. The population was 70,718 at the 2010 census, making it the largest community in the county and 7th largest in the state. The city is located adjacent to the Town of Waukesha...

, Wisconsin

Wisconsin

Wisconsin is a U.S. state located in the north-central United States and is part of the Midwest. It is bordered by Minnesota to the west, Iowa to the southwest, Illinois to the south, Lake Michigan to the east, Michigan to the northeast, and Lake Superior to the north. Wisconsin's capital is...

. It continues to sell books and back issues of its defunct magazines, but no longer publishes any. In 1993, the company acquired Glendale

Glendale, California

Glendale is a city in Los Angeles County, California, United States. As of the 2010 Census, the city population is 191,719, down from 194,973 at the 2000 census. making it the third largest city in Los Angeles County and the 22nd largest city in the state of California...

-based Interurban Press

Interurban Press

Interurban Press was a small, privately owned American publishing company, specializing in books about streetcars, other forms of rail transit and railroads in North America, from 1943 until 1993. It was based in the Los Angeles area, and specifically in Glendale, California after 1976...

, a publisher of books primarily about streetcars

Tram

A tram is a passenger rail vehicle which runs on tracks along public urban streets and also sometimes on separate rights of way. It may also run between cities and/or towns , and/or partially grade separated even in the cities...

, interurban

Interurban

An interurban, also called a radial railway in parts of Canada, is a type of electric passenger railroad; in short a hybrid between tram and train. Interurbans enjoyed widespread popularity in the first three decades of the twentieth century in North America. Until the early 1920s, most roads were...

s and trolley buses

Trolleybus

A trolleybus is an electric bus that draws its electricity from overhead wires using spring-loaded trolley poles. Two wires and poles are required to complete the electrical circuit...

, in business since the 1940s. Initially, Pentrex continued publication of books and all of the magazines it had acquired from Interurban Press, but these were gradually phased out, as the company concentrated on production and sales of videos and, later, DVDs.

The last magazines published by Pentrex were RailNews

Pacific RailNews

Pacific RailNews , originally named Pacific News and later RailNews, was an American monthly magazine about railroads and rail transit, oriented for railfans. It was published from 1961 until 1999...

(ISSN 1091-2436) (formerly Pacific RailNews

Pacific RailNews

Pacific RailNews , originally named Pacific News and later RailNews, was an American monthly magazine about railroads and rail transit, oriented for railfans. It was published from 1961 until 1999...

, ISSN 8750-8486) and Vintage Rails, the final issues of which were those dated August 1999 and September/October 1999, respectively. Pentrex also published Passenger Train Journal

Passenger Train Journal

Passenger Train Journal is an American magazine about passenger rail transport and rail transit, oriented for railfans. Founded in 1968, it was published continuously until 1996, and monthly from 1979 onward, but then ceased publication. After a 10-year absence, it was restarted in 2006 with a...

(ISSN 0160-6913) until 1996 and Locomotive & Railway Preservation magazine (ISSN 0891-7647) until 1997. Passenger Train Journal resumed publication in late 2006, with a new publisher, White River Productions.