Computer Makers

Current 

@Xi Computer Corporation
@Xi Computer
ABS Computer Technologies (Parent: Newegg)
Acer
Gateway
Packard Bell
ADEK Industrial Computers
Advent
Amiga, Inc.
A-EON Technology
ACube Systems Srl
Hyperion Entertainment
Agilent
Aigo
AMD
Aleutia
Alienware (Parent: Dell)
AMAX Information Technologies
Ankermann
AORUS
AOpen
Apple
Arnouse Digital Devices Corp (ADDC)
ASRock
Asus
AVADirect
AXIOO International
BenQ
Biostar
BOXX Technologies, Inc.
Chassis Plans
Chillblast
Chip PC
Clevo
Sager Notebook Computers
Cray
Crystal Group
Cybernet Computer Inc.
Compal
Cooler Master
CyberPower PC
Cybertron PC
Dell
Wyse Technology
DFI
Digital Storm
Doel (computer)
Elitegroup Computer Systems (ECS)
Evans & Sutherland
Everex
EVGA
Falcon Northwest
FIC
Fujitsu
Fusion Red
Foxconn
Founder Technology
Getac
Gigabyte
Gradiente
Groupe Bull
Grundig (Parent: Arçelik)
Hasee
Hewlett-Packard (HP)
Compaq
Hitachi
HTC
Hyundai
IBM
IBuyPower
Intel
Inventec
In-Win
Ironside
Itautec
IGEL
Jetta International
Kohjinsha
Kontron AG
LanFirePC
Lanix
Lanner Electronics
LanSlide Gaming PCs
Lenovo
Medion
LG
LiteOn
Maingear
MDG Computers
Meebox
Mesh Computers
Micron
Microsoft
Micro-Star International (MSI)
Micro Center
MiTAC
Motion Computing
Motorola
NComputing
NCR
NEC
NUDT
NVIDIA
NZXT
Olidata
Olivetti
Oracle
Origin PC
Panasonic
Positivo Informática
Psychsoftpc
Puget Systems
Quanta Computer
RCA
Razer
RoseWill
Samsung
Sapphire Technology
Sharp Corporation
Shuttle
SGI
Síragon
Sony
StealthMachines
Supermicro
Systemax
System76
T-Platforms
TabletKiosk
Tadpole Computer
Tatung
Toshiba
Tyan
Unisys
V3 Gaming PC
Velocity Micro
Overdrive PC
Vestel
Venom
VIA Technologies
ViewSonic
Viglen
Virus Computers Inc.
Vizio
VT Miltope
Wistron
Wortmann
Xidax
Zelybron
Zombie PC
Zoostorm
Zotac

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 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.
Durango Systems Corporation merged with Molecular Systems in 1982 which went bankrupt in 1984
Eagle Computer - ceased operations in 1986.
Eckert–Mauchly Computer - Acquired by Remington Rand in 1950.
Egenera
Ekos
Elonex — Sells tablets (as of 2011)
EMCC
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.
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.
HCL - Ceased PC manufacturing.
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
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.[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.
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.
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.
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.
Zepto Computers A/S (Denmark) - On 17 November 2009 Zepto Computer was declared bankrupt, after several tries to save the company.