Defunct companies based in Texas

Compaq Computer Corporation was an American information technology company founded in 1982 that developed, sold, and supported computers and related products and services. Compaq produced some of the first IBM PC compatible computers, being the second company after Columbia Data Products to legally reverse engineer the BIOS of the IBM Personal Computer. It rose to become the largest supplier of PC systems during the 1990s. The company was initially based in Harris County, Texas.

defunct airline of the United States (1934—2012)

Enron Corporation was an American energy, commodities and services company based in Houston, Texas. It was led by Kenneth Lay and developed in 1985 via a merger between Houston Natural Gas and InterNorth, both relatively small regional companies at the time of the merger. Before its bankruptcy on December 2, 2001, Enron employed approximately 20,600 staff and was a major electricity, natural gas, communications, and pulp and paper company, with claimed revenues of nearly $101 billion during 2000. Fortune named Enron "America's Most Innovative Company" for six consecutive years.

defunct American-based provider of home movie and video game rental services; now a franchise brand name

Cyrix Corporation was a microprocessor developer that was founded in 1988 in Richardson, Texas, as a specialist supplier of floating point units for 286 and 386 microprocessors. The company was founded by Tom Brightman and Jerry Rogers. Jerry Rogers was also serving as the company Chief Executive Officer and president up until December 9, 1996, when he stepped down from this role, but remained on the Board of Directors.

trading company

Conoco ( ), formerly known as Continental Oil, is an American petroleum brand that is operating under the current ownership of the Phillips 66 Company since 2012 and is headquartered in the Westchase neighborhood of Houston, Texas. The brand is one of the several successors of the original Standard Oil Company ("oil trust" founded 1870 by John D. Rockefeller). Conoco was a subsidiary of Standard Oil from 1884 until 1911 when the Supreme Court of the United States, in an anti-trust legal case, ruled to decouple and break up the monopolized entity of Standard Oil.

American oil and gas exploration company

former video game developer

computer game developer

American video game development company

former United States video game developer

former American aerospace corporation

Datapoint Corporation, originally known as Computer Terminal Corporation (CTC), was a computer company based in San Antonio, Texas, United States. Founded in July 1968 by Phil Ray and Gus Roche, its first products were, as the company's initial name suggests, computer terminals intended to replace Teletype machines connected to time sharing systems.

American video game developer

American video game developer

American video game development company

American game development company

former oil and gas exploration company

information technology company

American video game developer

Boutique founded and owned by American singer, Selena

airline

Tradewest, Inc. was an American video game company based in Corsicana, Texas that produced numerous games in the 1980s and early 1990s. The company was the publisher of the Battletoads and Double Dragon series in North America and the PAL region. In 1994, the company was acquired by WMS Industries and became Midway Home Entertainment when WMS spun off its video game operations as Midway Games.

American media company (1842-2013)

video game developer in United States

company

Micrografx (Micrografx Inc., Richardson, Texas) was a United States–based software-house most notable for its graphics products. It was founded in 1982 by Paul and George Grayson and was a pioneer for graphics products for Windows.

company

American video game developer