The following is a list of notable computer system manufacturers.
Current
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Companies that have ceased production
- Acorn Computers
- 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.
- Amstrad
- 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
- Bell & Howell
- 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 2013.
- 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.
- Convergent Technologies
- Convex Computer - purchased by The Hewlett-Packard Company 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.
- Durango Systems Corporation merged with Molecular Systems in 1982 which went bankrupt in 1984
- Eagle Computer - ceased operations in 1986.
- Eckertâ€"Mauchly Computer - Acquired by Remington Rand in 1950.
- Egenera
- Elonex â€" Sells tablets (as of 2011)
- EMCC
- Encore Computer - Acquired by Gores Technology Group in 1998 and renamed to Encore Real Time Computing.
- English Electric - merged into International Computers Limited.
- eMachines - Discontinued by its current owner Acer in 2012.
- Escom
- 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.
- Gateway - Acquired by Acer in October 2007
- General Electric - Sold its computer division to Honeywell in 1970.
- Gericom - Acquired by Quanmax then merged with S&T
- Gould Electronics - Sold its computer division to Nippon Mining in 1988, who in turn sold it to Encore Computer later that year.
- Hewlett-Packard - Spun off into Hewlett Packard Enterprise and renamed as HP Inc. in 2015
- 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.
- Magnavox - Philips PCs rebadged for the USA and Canada.
- Magnuson Computer Systems - filed for bankruptcy in the 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.
- 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
- Osborne Computer - Ceased operations in 1985; rights to the Osbourne brand were sold to Mikrolog.
- Packard Bell - is now a subsidiary of Acer.
- Philips - sold their PC division to Digital.
- Prime Computer - acquired by Parametric Technology Corporation.
- 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.
- Quantex Microsystems - Bankrupt in 2000.
- Radio Shack
- RCA - Exited the computer business in 1971; Sperry Rand took over RCA's installed base in 1972.
- Research Machines - Exited manufacturing in late 2013. Brand continues as a services company.
- Remington Rand - Acquired by Sperry to form Sperry Rand in 1955.
- Sanyo - bought out by Panasonic
- 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.
- Silicon Graphics - acquired by Rackable Systems in 2009, when Rackable then re-branded to SGI, and later acquired by Hewlett Packard Enterprise in November 2016.
- Sinclair Research - acquired by Amstrad in 1986.
- Solbourne Computer - Acquired by Deloitte Consulting in 2008.
- Soyo
- 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.
- Stratus Computer
- Sun Microsystems - Acquired by Oracle Corporation in 2010.
- Systems Engineering Laboratories - Acquired by Gould Electronics in 1981 and became Gould's computer division.
- Tandon Corporation
- 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.
- Texas Instruments
- TriGem Computer - Declared bankrupt in 2012
- Averatec - Averatec subsidiary goes out of business in 2012.
- Tulip Computers - changed its name to Nedfield NV in 2008, pronounced bankrupt on 3 September 2009.
- Vigor Gaming (USA) - Disappeared in March 2010
- VoodooPC
- VTech
- Wang Laboratories - acquired by Getronics in 1999.
- Wipro - Ceased PC manufacturing.
- Xerox - Exited the computer business.
- Zenith Data Systems - Merged With Packard Bell and NEC in 1996
- Zeos - merged into MPC Corporation in 1996, which in turn filed for Chapter 11 bankruptcy in 2008.
See also
- List of computer hardware manufacturers
- List of laptop brands and manufacturers
- List of touch-solution manufacturers
- Market share of personal computer vendors
References
