List of computer system manufacturers


A computer system is a nominally complete computer that includes the hardware, operating system, and the means to use peripheral equipment needed and used for full or mostly full operation. Such systems may constitute personal computers, mainframe computers, minicomputers, servers, and workstations, among other classes of computing. The following is a list of notable manufacturers and sellers of computer systems, both present and past. There are currently companies in this incomplete list.

Current

NameParent companyCountry of originYear of market entryNote/
Acemagic—China
Acer Inc.—Taiwan
ACube Systems Srl—Italy
Advanced BattlestationsNeweggUnited States
AG Neovo—Taiwan
Aigo—China
AlienwareDell United States
AOpenAcer Inc.Taiwan
AorusGigabyte TechnologyTaiwan
Apple Inc.—United States
ASRockPegatron Taiwan
Asus—Taiwan
BenQQisda CorporationTaiwan
Biostar—Taiwan
Brother Industries—Japan
Chassis Plans—United States
Chip PC Technologies—Israel
Cisco Systems—United States
ClearCube—United States
Clevo—Taiwan
Clover NetworkFiservUnited States
Compal Electronics—Taiwan
CrayHewlett Packard Enterprise United States
CyberPowerPC—United States
Dell—United States
DFI—Taiwan
Digital Storm—United States
Dynabook Inc.Sharp Corporation Japan
Elitegroup Computer Systems—Taiwan
Epson—Japan
Eurocom Corporation—Canada
EVGA Corporation—United States
Falcon Northwest—United States
First International Computer—Taiwan
Founder Technology—China
Foxconn—Taiwan
Framework Computer—United States
Fujitsu—Japan
Fujitsu Technology SolutionsFujitsuJapan
Gigabyte Technology—Taiwan
GoogleAlphabet Inc. United States
GradienteIGB EletrônicaBrazil
Groupe BullAtosFrance1952
GrundigArçelikGermany
Hasee—China
HCLTech—India
Hewlett Packard Enterprise—United States
Hisense—China
Hitachi—Japan
HP Inc.—United States
Huawei—China
Hyundai TechnologyHyundai GroupSouth Korea
IBM—United States
IGEL Technology—Germany
Intel—United States
Inventec—Taiwan
ItautecItaúsaBrazil
Kontron—Germany
Lanix—Mexico
Lanner Electronics—Taiwan
Lenovo—China
LG Corporation—South Korea
Lite-On—Taiwan
Maingear—United States
MCST—Russia
MedionLenovo Germany
Mesh Computers—United Kingdom
Micro CenterMicro Electronics, Inc.United States
Microsoft—United States
Micro-Star International—Taiwan
MiTAC—Taiwan
Motorola MobilityLenovo United States
Mouse Computer—Japan
NComputing—United States
NCR Corporation—United States
NEC—Japan
Nvidia—United States
NZXT—United States
OlidataAcer Inc. Italy
Oracle Corporation—United States
Origin PCCorsair Gaming United States
Panasonic—Japan
Pine64—Hong Kong
Positivo TecnologiaGrupo PositivoBrazil
Puget Systems—United States
Quanta Computer—Taiwan
Raspberry Pi Holdings—United Kingdom
Razer Inc.—Singapore
RCAAmerican Future Technology CorporationUnited States
Research Machines—United Kingdom1977
Samsung Electronics—South Korea
Sapphire Technology—Hong Kong
Shuttle Inc.—Taiwan
Síragon—Venezuela
Sony—Japan
Sord Computer Corporation—Japan
Stratus Technologies—United States
Supermicro—United States
System76—United States
TabletKiosk—United States
Tatung Company—Taiwan
Tuxedo Computers—Germany
TyanMiTAC Taiwan
Unisys—United States
Vaio—Japan
Valve Corporation—United States
Velocity Micro—United States
VIA Technologies—Taiwan
Viglen—United Kingdom
Vizio—United States
Walton Group—Bangladesh
Wistron—Taiwan
Wortmann—Germany
Xiaomi—China
ZoostormVIP GroupUnited States
ZOTAC—Hong Kong
zSpace—United States

Inactive

NameParent companyCountry of originYear of market entryYear of market exitFateNote/
3R ComputersOrange Nassau Electronics United StatesAcquired by Digital Communications Associates
Acorn Computers—United KingdomAcquired by Morgan Stanley and reorganized as Element 14
Action Computer Enterprise—United StatesDissolution
Adage, Inc.—United StatesAcquired by Systems & Computer Technology Corporation
Advanced Digital Corporation—United StatesBankruptcy
Advanced Logic Research—United StatesAcquired by Gateway, Inc.
ACFA, Inc.—United StatesDissolution
Airis Computer—United StatesDissolution
Alaris, Inc.—United StatesLeft the computer business
Alliant Computer Systems—United StatesBankruptcy
Alpha Microsystems—United StatesDissolution
Altos Computer Systems—United StatesAcquired by Acer Inc.
AM Jacquard Systems—United States
Ambra Computer CorporationIBMUnited StatesDissolution
Amdahl Corporation—United StatesAcquired by Fujitsu
AmdekWyseUnited StatesLeft the computer business; continued to make monitors until the late 1990s
Ampro—United StatesAcquired by ADLINK
American Computer and Peripheral—United StatesBankruptcy
American Micro Technology—United StatesDissolution
Ampere, Inc.—Japan
Amstrad—United Kingdom1984Acquired by BSkyB
AnyBus TechnologiesCMS EnhancementsUnited StatesDissolution
Apollo Computer—United StatesAcquired by Hewlett-Packard
Apparat, Inc.—United StatesDissolution
Apricot Computers—United KingdomDissolution
Ardent Computer—United StatesMerged with Stellar Computer to form Stardent Inc.
AST ResearchSamsung Electronics United StatesAcquired by Samsung Electronics in 1997; division dissolved in 1999
Atari CorporationJT Storage United StatesAcquired by JT Storage; JT in turn sold to Hasbro in 1998
Athena Computer & Electronic Systems—United StatesDissolution
The Authorship Resource—United StatesDissolution
AT&T Computer SystemsAT&T CorporationUnited StatesMerged back into AT&T Corporation; previously reorganized as AT&T Information Systems
AveratecTriGemUnited StatesDissolution
Barrington International—United StatesDissolution
Be Inc.—United StatesAcquired by Palm, Inc.
Bell & Howell—United StatesExited the computer business
Bendix Corporation—United StatesSold computer division to Control Data Corporation
BiiN—United StatesLiquidation
Billings Computer—United States
Blue Chip Electronics—United StatesAcquired by Capewood Limited
Burroughs Corporation—United StatesMerged with Sperry Corporation to form Unisys
CADO Systems—United StatesAcquired by Contel Business Systems
Callan Data Systems—United StatesBankruptcy
CalmaGeneral Electric United StatesBroken up
Canon Computer SystemsCanon Inc.United StatesExited the computer business; dissolved in 2001
Canon Inc.—JapanSpun off computer division as Canon Computer Systems
Celerity Computing—United StatesAcquired by Floating Point Systems
Centurion Computer Corporation—United StatesExited the computer business
Chicony Electronics—TaiwanLeft the computer business; still active in peripheral business
Cobalt Networks—United StatesAcquired by Sun Microsystems
Commodore International—United StatesBankruptcy
Compagnie Internationale pour l'Informatique—FranceMerged into Groupe Bull-
Comp-Sultants—United StatesDissolution
Compaq—United StatesAcquired by Hewlett-Packard; defunct as a subsidiary since 2013
CompuAdd—United StatesBankruptcy
CompuPro—United StatesRestructured as Viasyn
CompuSource—United States
Computervision—United StatesMerged into Prime Computer
Computer Automation—United StatesCeased operations in 1992
Computer Control Company—United StatesAcquired by Honeywell
Computer Devices, Inc.—United StatesDissolution
Computer Research Corporation—United StatesAcquired by NCR Corporation
Computer Transceiver Systems, Inc.—United StatesAcquired by Vertex Industries in 1987 following bankruptcy; spun off and acquired by Mortgage Plus Equity and Loan Corporation in 1998
Concurrent Computer Corporation—United StatesBroken up
Control Data Corporation—United StatesBroken up from 1988 to 1992; remainder is now Ceridian
Convergent Technologies—United StatesAcquired by Unisys
Convex Computer—United StatesPurchased by Hewlett-Packard
Corona Data SystemsDaewoo United StatesAcquired by Daewoo in 1987; brand phased out in 1993
Corvus Systems—United StatesBankruptcy
CPT Corporation—United StatesDissolution
Cray Computer Corporation—United StatesBankruptcy
Cromemco—United StatesAcquired by Dynatech
Cydrome—United StatesDissolution
Cumulus Computer Corporation—United StatesBankruptcy
Daisy Systems—United StatesAcquired by Intergraph
Data General—United StatesAcquired by EMC in 1999
Dataindustrier AB—SwedenAcquired by Groupe Bull
Datapoint—United StatesBankruptcy
Dauphin Technology—United StatesReverse merged with GeoVax
DatavueIntelligent SystemsUnited States
Dayna Communications—United StatesAcquired by Intel
Decision Data—United StatesAcquired by Onset Corporation
DeltagoldDelta ComputerUnited StatesBankruptcy
DeskStation Technology—United StatesAcquired by Samsung Electronics in 1998; division dissolved in 2000
Digital Equipment Corporation—United StatesAcquired by Compaq
The Digital Group—United StatesBankruptcy
DTK ComputerDatatech EnterprisesTaiwanDissolution; Dubai subsidiary is active as of 2022
Durango Systems Corporation—United StatesMerged with Molecular Systems in 1982; Molecular went bankrupt in 1984
Dynalogic—CanadaAcquired by Bytec
Eagle Computer—United StatesDissolution
ECD Corporation—United StatesDissolution
Eckert–Mauchly Computer Corporation—United StatesAcquired by Remington Rand
EduQuestIBMUnited StatesDiscontinued computer lineup after reorganizing as IBM K–12 Education
Eldorado Electrodata—United StatesDissolution
ElectroData Corporation—United StatesAcquired by Burroughs Corporation
Electronic Associates—United States
Elektronorgtechnica—Soviet UnionAcquired by The Tetris Company in 2005
Elonex—United KingdomExited the computer business; currently sells tablets
Elxsi—United StatesAcquired by Tata Group
eMachinesGateway, Inc.
Acer Inc.
United StatesAcquired by Gateway, Inc., in 2004, in turn acquired by Acer Inc.; brand discontinued by Acer in 2013
Encore Computer—United StatesAcquired by Gores Technology Group and renamed to Encore Real Time Computing
Engineering Research Associates—United StatesAcquired by Remington Rand
English Electric LEO CompanyEnglish ElectricUnited KingdomAcquired by International Computers Limited
Escom AG—GermanyBankruptcy
ETA SystemsControl Data CorporationUnited StatesDissolution
Evans & Sutherland—United StatesExited the computer business
EverexFormosa Plastics Group United States
Taiwan
Dissolution
Evesham Technology—United KingdomLiquidation; assets purchased by Time Group
Exxon Office SystemsExxon EnterprisesUnited StatesAcquired by Harris Corporation
First Class Systems—United StatesDissolved
Floating Point Systems—United StatesAcquired by Cray
Foonly—United StatesDissolution
Fortune Systems—United StatesExited the computer business
Franklin Computer Corporation—United StatesExited the computer business; reorganized into Franklin Electronic Publishers
Friden, Inc.—United StatesAcquired by Singer Corporation
Gateway, Inc.—United StatesAcquired by Acer; brand revived in the United States in 2020
General Automation—United States
General Computer Corporation—United StatesDissolution
General Electric—United StatesSold computer division to Honeywell
Genisco Technology—United StatesBankruptcy
Gericom—AustriaAcquired by Quanmax AG and merged with Systemhaus mit Eigentechnologie
Gimix—United States
Gnat Computers—United StatesAcquired by Data Technology Industries
GO Corporation—United StatesDissolution
Gould Electronics—GermanySold computer division to Nippon Mining; division in turn sold to Encore Computer in 1988
Grid SystemsTandy Corporation United StatesAcquired by Tandy Corporation; brand sold to UK investors in 1993, which still exists as Grid Defence Systems-
HAL Computer SystemsFujitsu United StatesDissolution
Handspring, Inc.—United StatesAcquired by Palm, Inc.
Harris Corporation—United StatesSpun off computer division as Harris Computer Systems in 1994, itself acquired by Concurrent Computer Corporation in 1996
Hazeltine Corporation—United StatesAcquired by Emerson Electric
Hewlett-Packard—United StatesBroken up into Hewlett Packard Enterprise and HP Inc.
Honeywell—United StatesSold computer division to Groupe Bull
HTC—TaiwanSold computer division to Alphabet Inc.
IMLAC—United StatesAcquired by Hazeltine Corporation
IMS Associates, Inc.—United StatesBankruptcy
Inacom—United StatesBankruptcy
Informer Computer Terminals—United StatesDissolution
Ithaca InterSystems—United StatesDissolution
Intelligence Technology Corporation—United StatesDissolution
International Computers and Tabulators—United KingdomAcquired by International Computers Limited
International Computers Limited—United KingdomAcquired by Fujitsu
Intertec Data Systems—United StatesBankruptcy
Iskra Delta—SloveniaBankruptcy
Jetta International—United StatesDissolution
JonosPhoenix Group United StatesBankruptcy
Jupiter Cantab—United KingdomBankruptcy
KayproNon-Linear SystemsUnited StatesBankruptcy
Kenbak Corporation—United StatesAcquired by CTI Education Products
Kendall Square Research—United StatesBankruptcy
Kohjinsha—JapanDissolution
Korea Data Systems—South KoreaLeft the computer business
LanSlide Gaming PCs—United StatesDissolution
Lap Power—SwedenBankruptcy
Leading Edge ProductsDaewoo
Manuhold Investment AG
United StatesAcquired by Daewoo; division in turn sold to Manuhold Investment AG; brand phased out in 1997
Leading Technology—United StatesAcquired by VTech
Léanord—FranceMerged with Intertechnique-
LibrascopeSinger Corporation United StatesAcquired by Loral Space & Communications
Librex Computer SystemsNippon Steel CorporationUnited StatesDissolution
Linus Technologies—United StatesDissolution
Lisp Machines—United StatesBankruptcy
LogAbax—FranceBought by Olivetti-
Logical Machine Corporation—United StatesDissolution
Luxor AB—SwedenSold computer division to Nokia in 1985; brand phased out in 1986
Mad Computers—United States
MagnavoxPhilipsUnited StatesMagnavox-branded computers discontinued in 1992
Magnuson Computer Systems—United StatesBankruptcy
Martin Research—United StatesAcquired by Zebra Technologies
MASSCOMP—United StatesAcquired by Concurrent Computer Corporation
MasPar—United StatesAcquired by Accrue Software
Maxdata—GermanyDissolution; warranty claims taken over by Swiss Belinea AG, itself acquired by Bluechip Computer
Meebox—MexicoDissolution
Metaphor Computer Systems—United StatesAcquired by IBM
Micro Craft—United StatesDissolution; restructured as Dimension Electronics in 1987
Micro Instrumentation and Telemetry Systems—United StatesAcquired by Pertec Computer
Microdata Corporation—United StatesAcquired by McDonnell Douglas
Micron Technology—United StatesSpun off computer division as MPC Corporation
Micromation—United States
Micronics Computers—United StatesAcquired by Diamond Multimedia
MicroOffice—United StatesAcquired by Telxon Corporation in 1985
Micros Systems—United StatesAcquired by Oracle Corporation
Midwest Scientific Instruments—United StatesDissolution
Mitsubishi ElectricMitsubishi GroupJapanExited the computer business
Modcomp—United StatesExited the computer business; survives today as CSPi Technology Solutions, a systems integrator
Mohawk Data Sciences Corporation—United StatesAcquired by Decision Data; previously restructured as Qantel Corporation
Monorail Inc.—United StatesDissolution
Motion Computing—United StatesAcquired by Xplore Technologies
MPC Corporation—United StatesBankruptcy
Motorola—United StatesDissolution
Multiflow—United StatesDissolution
Mycron—NorwayExited the computer industry
NBI Incorporated—United StatesBankruptcy
nCUBE—United StatesAcquired by C-COR
Neoware—United StatesAcquired by Hewlett-Packard
Network Computing Devices—United StatesDissolution
NeXT—United StatesAcquired by Apple Computer
Nixdorf Computer—West GermanyAcquired by Siemens; renamed Siemens Nixdorf Informationssysteme AG
Norsk Data—NorwayAcquired by Telenor
Northgate Computer Systems—United StatesAcquired by Lan Plus, after filing for Chapter 11 bankruptcy in 1994
Northwest Microcomputer Systems—United StatesDissolution
North Star Computers—United StatesDissolution
Noval, Inc.Gremlin Industries
Sega
United StatesDissolution
Ohio Scientific—United StatesAcquired by M/A-COM
Olivetti—ItalyExited the computer business
Omnidata—United StatesDissolution
Onyx Systems—United StatesAcquired by Corvus Systems
Osborne Computer Corporation—United StatesDissolution; assets and name sold to Mikrolog Ltd, of Finland
Otrona—United StatesBankruptcy
Outbound Systems—United StatesBankruptcy
Pacific Cyber/Metrix—United StatesDissolution
Packard Bell—United StatesMajority stake purchased by NEC in 1995; stake relinquished in 2006; eventually acquired by Acer Inc. in 2008
Packard Bell Computer CorporationPackard Bell CorporationUnited StatesAcquired by Raytheon Company
Panda Project—United StatesExited the computer business
Pandigital, Inc.—United StatesBankruptcy
Parallan Computer—United StatesExited the computer business
Parasitic Engineering—United StatesDissolution
Pencept—United States
Pertec Computer—United StatesAcquired by Triumph-Adler
Philco—United StatesExited the computer business before being acquired by Ford Motor Company
Philips—NetherlandsSold computer division to Digital Equipment Corporation
PolyMorphic Systems—United States
Poqet Computer Corporation—United StatesAcquired by Fujitsu
Power Computing Corporation—United StatesAcquired by Apple Computer
Prime Computer—United StatesAcquired by Parametric Technology Corporation
Processor Technology—United StatesDissolution
Pronto Computers—United StatesBankruptcy
Psystar Corporation—United StatesExited the computer business following permanent injunction to stop selling computers with Apple's Mac OS X
Pyramid Technology—United StatesAcquired by Siemens
Q1 Corporation—United StatesAcquired by Nixdorf Computer
Quantex Microsystems—United StatesBankruptcy
Quasar Data Products—United StatesDissolution
Réalisation d'Études Électroniques—FranceTaken over by Groupe Bull-
Radio ShackTandy CorporationUnited StatesBranding subsumed by the Tandy name in 1983
Raytheon Company—United StatesSpun off as Raytheon Data Systems in 1971, itself acquired by Telex Corporation in 1984
RCA—United StatesExited the computer business in 1971; division sold to Sperry Rand in 1972
Reeves Instrument Corporation—United States
Remington Rand—United StatesAcquired by Sperry Corporation to form Sperry Rand
Regnecentralen—DenmarkAcquired by International Computers Limited
Reply Corporation—United StatesAcquired by Radius Inc.
Ridge Computers—United StatesDissolution
RGS Electronics—United StatesDissolution
ROLMIBM United StatesAcquired by Siemens
Seattle Computer Products—United StatesDissolution
Sanyo—JapanAcquired by Panasonic
Scientific Data Systems—United StatesAcquired by Xerox
Sequent Computer Systems—United StatesAcquired by IBM
Siemens—GermanySiemens Nixdorf Informationssysteme AG merged with Fujitsu into Fujitsu Siemens Computers in 1999; remaining stake sold to Fujitsu in 2009
Silicon Graphics International—United StatesFormerly Rackable Systems, Inc., it acquired Silicon Graphics, Inc. in 2009; acquired by Hewlett Packard Enterprise in 2016
Silicon Graphics, Inc.—United StatesAcquired by Rackable Systems, Inc., to become Silicon Graphics International
SIMIV—FranceExited the computer business-
Sinclair Research—United KingdomAcquired by Amstrad
Sirius Systems Technology—United StatesAcquired by Datatronic AB
Smoke Signal Broadcasting—United StatesDissolution
SMT Goupil—FranceBankruptcy-
Société d'Electronique et d'Automatisme—FranceMerged within CII-
Société européenne de mini-informatique et systèmes—FranceMerged into Groupe Bull-
Solbourne Computer—United StatesAcquired by Deloitte Consulting
Soyo Group—United StatesBankruptcy
Spectravideo—United StatesAcquired by SpectraVideo plc, unrelated holding company from the United Kingdom
Sperry Corporation—United StatesMerged with Burroughs to form Unisys; company was formerly Sperry Rand until it dropped Rand from its name in 1978 and continued as Sperry
Sperry Rand—United StatesReverted to Sperry Corporation name in 1978
Stardent Inc.—United StatesRestructured as Kubota Graphics in 1994; dissolved the same year
Sun Microsystems—United StatesAcquired by Oracle Corporation
Southwest Technical Products Corporation—United StatesDissolution
STM Systems—United States
Sycor—United States
Symbiotic Systems—United StatesDissolution
Symbolics—United StatesBankruptcy
Syntrex—United StatesDissolution
Systemax—United StatesExited the computer business
Systems Engineering Laboratories—United StatesAcquired by Gould Electronics
Systime Computers—United StatesAcquired by Control Data Corporation; broken up in 1989
T-Platforms—RussiaBankruptcy
Tadpole Computer—United StatesAcquired by General Dynamics
Tandem Computers—United StatesAcquired by Compaq; then Hewlett Packard Enterprise
Tandon Corporation—United StatesDissolution
Tandy Corporation—United StatesSold computer division to AST Research; former parent company of Radio Shack
Tangerine Computer Systems—United KingdomBankruptcy
Télémécanique—FranceComputer division merged with CII's minicomputer division to become Société européenne de mini-informatique et systèmes -
Tava Corporation—United StatesAcquired by Replitech
Terak Corporation—United StatesAcquired by Sanders Associates
TeleVideo—United StatesDissolution
Teleram—United StatesBankruptcy
Texas Instruments—United StatesSold computer division to Acer Inc.
Thinking Machines Corporation—United StatesBankruptcy; hardware and software divisions acquired by Sun Microsystems
Three Rivers Computer Corporation—United StatesBankruptcy
Tiki Data—NorwayAcquired by Merkantildata
Timex Sinclair—United StatesDissolution
Tiny Computers—United KingdomAcquired by Time Group; brand phased out in 2005
Toshiba—JapanDiscontinued computer lineup in 2016; computer business restructured as Dynabook Inc. in 2018, with majority of its shares sold to Sharp Corporation the same year; remaining shares sold to Sharp in 2020
TriGem—South KoreaBankruptcy
Trilogy Systems—United StatesAcquired by Elxsi
TRW Inc.—United StatesAcquired by Northrop Grumman
Tulip Computers—NetherlandsBankruptcy; previously restructured as Nedfield NV in 2008
Umtech—United StatesAcquired by Cha Group
V3 Gaming PC—United StatesDissolution
Varian Data Machines—United StatesAcquired by Sperry Rand
VEB Robotron—German Democratic Republic19691990Liquidated / converted into separate corporations and sold off
Vector Graphic—United StatesDissolution
Vestel—United StatesExited the computer business
Viasyn—United StatesDissolution
Viatron—United StatesBankruptcy
ViewSonic—United StatesLeft the computer business; still active in monitor business
Vigor Gaming—United StatesBankruptcy
VoodooPC—United StatesAcquired by Hewlett-Packard in 2006; brand retired in 2009
VTech—Hong KongSpun off computer division as PC Partner
Walton Group—BangladeshExited the computer business
Wang Laboratories—United StatesAcquired by Getronics
Wicat Systems—United StatesAcquired by Jostens
Wipro—IndiaExited the computer business
Wyse—United StatesAcquired by Dell
Xerox—United StatesExited the computer business
Xybernaut—United StatesBankruptcy
Zenith Data SystemsZenith Electronics
Groupe Bull
United StatesAcquired by Groupe Bull in 1991; sold to NEC in 1996, who merged it into Packard Bell
Zeos—United StatesAcquired by Micron Technology
Zeda Computers—United States
Zonbu—United StatesDissolution