List of computer companies
Defunct
- Alliant Computer Systems - Ceased operations in 1992.
- Altos Computer Systems - acquired by Acer in 1990.
- Amdahl Corporation - A wholly owned subsidiary of Fujitsu since 1997.
- Apollo Computer - Acquired by Hewlett-Packard in 1989.
- Apricot Computers - ceased operations in 1999.
- Ardent Computer - Merged with Stellar Computer to form Stardent in 1989.
- AST Computers, LLC - Exited the computer market in 2001.
- Atari Corporation
- AT&T Corporation
- Burroughs - Merged with Sperry to form Unisys in 1986.
- Celerity Computing - Acquired by Floating Point Systems in 1988.
- Commodore International - declared bankruptcy in 1994.
- Compaq - Acquired by Hewlett-Packard in 2002. Defunct as a subsidiary as of 2010.
- CompuAdd - filed for bankruptcy in 1993.
- Computer Automation
- Control Data Corporation (CDC) - Shrank as units were spun off from 1988 to 1992; remainder is now Ceridian.
- Convex Computer - purchased by Hewlett-Packard in 1995
- Corona Data Systems - among the original "IBM PC Compatible" clone makers
- Cromemco
- Data General - was one of the first minicomputer firms from the late 1960s, purchased by EMC in 1999 for its innovative RAID array storage.
- Digital Equipment Corporation - Acquired by Compaq in 1998.
- Eagle Computer - ceased operations in 1986.
- Eckert–Mauchly Computer - Acquired by Remington Rand in 1950.
- Elonex — Sells tablets (as of 2011)
- Encore Computer - Acquired by Gores Technology Group in 1998 and renamed to Encore Real Time Computing, which Gores then sold to Compro Computer Services in 2002.
- English Electric - merged into International Computers Limited.
- eMachines - Discontinued by its current owner Acer in 2012.
- Everex - US subsidiary closed its doors in 2009.
- Evesham - merged into TIME Computers.
- Franklin Computer Corporation - exited computer hardware business and reorganized into Franklin Electronic Publishers.
- General Electric - Sold its computer division to Honeywell in 1970.
- Gould Electronics - Sold its computer division to Nippon Mining in 1988, who in turn sold it to Encore Computer later that year.
- Honeywell - Sold its computer division to Groupe Bull in 1991.
- International Computers and Tabulators (ICT) - merged into International Computers Limited.
- International Computers Limited (ICL) - now part of Fujitsu.
- Kaypro - filed for bankruptcy in 1992.
- Leading Edge - Mid '80s leader in PC Clone for the masses - Manufacturing done first by Mitsubishi then Daewoo
- Luxor AB - Ended in 1986 after being acquired by Nokia the previous year.
- Magnuson Computer Systems - filed for bankruptcy in early 1980s.
- Maxdata (Germany) - Insolvent in 2008; warranty for existing products taken over by then the Swiss Belinea AG (see Belinea), now owned by Bluechip Computer. Warranty for Belinea products purchased before 1 November 2008 is not serviced anymore by Bluechip Computer.[1]
- Mitsubishi Electronics - Closed computer systems division in 1990 Manufactured systems for Leading Edge and Sperry-Unisys
- MPC (formerly MicronPC) - Filed Chapter 11 bankruptcy on November 7, 2008. Efforts at reorganization failed.
- Multiflow Computer - Ceased operations in 1990.
- NeXT - acquired by Apple Computer in 1996.
- Nixdorf Computer - Acquired by Siemens in 1991, renamed Siemens Nixdorf Informationssysteme AG.
- Northgate Computer Systems - Acquired by Lan Plus in 1997, after filing for Chapter 11 bankruptcy in 1994; Lan Plus later renamed itself Northgate Innovations.
- Osborne Computer - Ceased operations in 1985; rights to the Osbourne brand were sold to Mikrolog.
- Packard Bell - is now a subsidiary of Acer
- PC Brand - acquired by Tandon Corporation in 1991.[2]
- Processor Technology - Ceased operations in 1979.
- Psystar - Under 2009 permanent injunction to stop selling computers with Apple's Mac OS X operating system. Psystar's web site has disappeared.
- Pyramid Technology - Acquired by Siemens in 1995.
- Radio Shack
- RCA - Exited the computer business in 1971; Sperry Rand took over RCA's installed base in 1972.
- Remington Rand - Acquired by Sperry to form Sperry Rand in 1955.
- Scientific Data Systems - Acquired by Xerox in 1969.
- Sequent Computer Systems - Acquired by IBM in 1999.
- Siemens - Computer division (Siemens Nixdorf Informationssysteme AG) merged 50/50 with Fujitsu into Fujitsu Siemens Computers in 1999, then Siemens half bought by Fujitsu in 2009.
- Sinclair Research - acquired by Amstrad in 1986.
- Solbourne Computer - Acquired by Deloitte Consulting in 2008.
- Sperry - Merged with Burroughs to form Unisys in 1986.
- Sperry Rand - Dropped "Rand" from its name in 1978 and continued as Sperry.
- Stardent - Ceased operations in 1992.
- Stellar Computer - Merged with Ardent Computer to form Stardent in 1989.
- Sun Microsystems - Acquired by Oracle Corporation in 2010.
- Systems Engineering Laboratories - Acquired by Gould Electronics in 1981 and became Gould's computer division.
- Tandy Corporation - Previous parent company of RadioShack, produced the TRS-80 and Tandy 1000 and 2000 IBM PC compatible computers. Sold their computer division to AST Computers in the early 1990s.
- Tiny Computers - merged into TIME Computers.
- Wang Laboratories - acquired by Getronics in 1999.
- Xerox - Exited the computer business.
- Zeos - merged into MPC Corporation in 1996, which in turn filed for Chapter 11 bankruptcy in 2008.
- Zepto Computers A/S (Denmark) - On 17 November 2009 Zepto Computer was declared bankrupt, after several tries to save the company.[3]
- Sharp Corporation
- Amstrad
- Tulip Computers - changed its name to Nedfield NV in 2008, pronounced bankrupt in 3 September 2009.
- Egenera
- Vigor Gaming (USA) - Disappeared in March 2010
- VoodooPC
- Gericom
See also
- List of laptop brands and manufacturers
- List of computer hardware manufacturers
- Market share of personal computer vendors
References
- ^ "Wie becomme ich Service oder Informationen zu alten Belinea Produkten?". FAQs (in German). Belinea. Retrieved 2011-11-12.
- ^ Anthony R. Gold, et al. v. Ziff Communications Company
- ^ Zepto computers files for bankruptcy
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