List of computer system manufacturers
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Modified on: Thu, 19 May, 2016 at 4:47 PM
Computer system manufacturers
Current
Companies that have ceased production
- Acorn Computers
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Alliant Computer Systems - Ceased operations in 1992.
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Altos Computer Systems - acquired by Acer in 1990.
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Amdahl Corporation - A wholly owned subsidiary of Fujitsu since 1997.
- Amstrad
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Apollo Computer - Acquired by Hewlett-Packard in 1989.
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Apricot Computers - ceased operations in 1999.
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Ardent Computer - Merged with Stellar Computer to form Stardent in 1989.
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AST Computers, LLC - Exited the computer market in 2001.
- Atari Corporation
- Bell & Howell
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Burroughs - Merged with Sperry to form Unisys in 1986.
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Celerity Computing - Acquired by Floating Point Systems in 1988.
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Commodore International - declared bankruptcy in 1994.
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Compaq - Acquired by Hewlett-Packard in 2002. Defunct as a subsidiary as of 2010.
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CompuAdd - filed for bankruptcy in 1993.
- Computer Automation
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Control Data Corporation (CDC) - Shrank as units were spun off from 1988 to 1992; remainder is now Ceridian.
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Convex Computer - purchased by Hewlett-Packard in 1995
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Corona Data Systems - among the original "IBM PC Compatible" clone makers
- Cromemco
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Data General - was one of the first minicomputer firms from the late 1960s, purchased by EMC in 1999 for its innovative RAID array storage.
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Digital Equipment Corporation - Acquired by Compaq in 1998.
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Durango Systems Corporation merged with Molecular Systems in 1982 which went bankrupt in 1984
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Eagle Computer - ceased operations in 1986.
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Eckert–Mauchly Computer - Acquired by Remington Rand in 1950.
- Egenera
- Ekos
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Elonex — Sells tablets (as of 2011)
- EMCC
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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.
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English Electric - merged into International Computers Limited.
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eMachines - Discontinued by its current owner Acer in 2012.
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Everex - US subsidiary closed its doors in 2009.
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Evesham - merged into TIME Computers.
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Franklin Computer Corporation - exited computer hardware business and reorganized into Franklin Electronic Publishers.
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Gateway - Acquired by Acer in October 2007
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General Electric - Sold its computer division to Honeywell in 1970.
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Gericom - Acquired by Quanmax then merged with S&T
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Gould Electronics - Sold its computer division to Nippon Mining in 1988, who in turn sold it to Encore Computer later that year.
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HCL - Ceased PC manufacturing.
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Honeywell - Sold its computer division to Groupe Bull in 1991.
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International Computers and Tabulators (ICT) - merged into International Computers Limited.
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International Computers Limited (ICL) - now part of Fujitsu.
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Kaypro - filed for bankruptcy in 1992.
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Leading Edge - Mid '80s leader in PC Clone for the masses - Manufacturing done first by Mitsubishi then Daewoo
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Luxor AB - Ended in 1986 after being acquired by Nokia the previous year.
- Magnavox
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Magnuson Computer Systems - filed for bankruptcy in the early 1980s.
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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]
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Mitsubishi Electronics - Closed computer systems division in 1990 Manufactured systems for Leading Edge and Sperry-Unisys
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MPC (formerly MicronPC) - Filed Chapter 11 bankruptcy on November 7, 2008. Efforts at reorganization failed.
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Multiflow Computer - Ceased operations in 1990.
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NeXT - acquired by Apple Computer in 1996.
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Nixdorf Computer - Acquired by Siemens in 1991, renamed Siemens Nixdorf Informationssysteme AG.
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Northgate Computer Systems - Acquired by Lan Plus in 1997, after filing for Chapter 11 bankruptcy in 1994; Lan Plus later renamed itself Northgate Innovations.
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Osborne Computer - Ceased operations in 1985; rights to the Osbourne brand were sold to Mikrolog.
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Packard Bell - is now a subsidiary of Acer.
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Prime Computer - acquired by Parametric Technology Corporation.
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Processor Technology - Ceased operations in 1979.
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Psystar - Under 2009 permanent injunction to stop selling computers with Apple's Mac OS X operating system. Psystar's web site has disappeared.
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Pyramid Technology - Acquired by Siemens in 1995.
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Quantex Microsystems - Bankrupt in 2000.
- Radio Shack
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RCA - Exited the computer business in 1971; Sperry Rand took over RCA's installed base in 1972.
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Research Machines - Exited manufacturing in late 2013. Brand continues as a services company.
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Remington Rand - Acquired by Sperry to form Sperry Rand in 1955.
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Sanyo - bought out by Panasonic
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Scientific Data Systems - Acquired by Xerox in 1969.
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Sequent Computer Systems - Acquired by IBM in 1999.
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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.
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Silicon Graphics - acquired by Rackable Systems in 2009, when Rackable then re-branded to SGI.
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Sinclair Research - acquired by Amstrad in 1986.
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Solbourne Computer - Acquired by Deloitte Consulting in 2008.
- Soyo
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Sperry - Merged with Burroughs to form Unisys in 1986.
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Sperry Rand - Dropped "Rand" from its name in 1978 and continued as Sperry.
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Stardent - Ceased operations in 1992.
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Sun Microsystems - Acquired by Oracle Corporation in 2010.
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Systems Engineering Laboratories - Acquired by Gould Electronics in 1981 and became Gould's computer division.
- Tandon Corporation
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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.
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Tiny Computers - merged into TIME Computers.
- Texas Instruments
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TriGem Computer - Declared bankrupt in 2012
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Averatec - Averatec subsidiary goes out of business in 2012.
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Tulip Computers - changed its name to Nedfield NV in 2008, pronounced bankrupt on 3 September 2009.
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Vigor Gaming (USA) - Disappeared in March 2010
- VoodooPC
- VTech
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Wang Laboratories - acquired by Getronics in 1999.
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Wipro - Ceased PC manufacturing.
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Xerox - Exited the computer business.
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Zenith Data Systems - Merged With Packard Bell and NEC in 1996
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Zeos - merged into MPC Corporation in 1996, which in turn filed for Chapter 11 bankruptcy in 2008.
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Zepto Computers A/S (Denmark) - On 17 November 2009 Zepto Computer was declared bankrupt, after several tries to save the company.[2]
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