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Total: 17718 companies/individuals.

NUM | A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z
'A' Companies
(1387)
Period
(Timeline)
Item #:
Game
Item #:
Non-Game
 A & A Global Industries, Inc. [MD, USA]
1989 to 2001 (13 years)
 A & F Engineering Co. [IL, USA]
 A & M Vending Machine Co. [Brooklyn, NY, USA]
 A Bit Better Associates
 A Kyuu Kid's [Japan]
 A Studio
1985 to 1989 (5 years)
 A&F Soft.
1981 to 1987 (7 years)
 A&S Soft.
 A&T-Soft
 A-1 Supply, Inc. [Reno, NV, USA]
1975 to 1979 (5 years)
 A-Max [Japan]
1998 to 2002 (5 years)
 A-One [Japan]
 A-Trend
 A-Ware Educational Soft.
 A-Wave, Inc. [Japan]
1990 to 1991 (2 years)
 A/V Concepts Corp.
 A1 Games
2000 to 2003 (4 years)
 AA [Americade Amusement, Inc] [Cherry Hill, NJ, USA]
 AAA [Ace Active Amusement] [Japan]
2001 to 2014 (14 years)
 AAA Game
 AAAMI [Paray Vieille Porte, France]
 Aackosoft [Netherlands]
1982 to 1988 (7 years)
 AAJS Computer Products
 Aalbars, Huibert
1989 to 1990 (2 years)
 Aalstrup Soft.
1995 to 1996 (2 years)
 Aardvark Soft.
1982 to 1987 (6 years)
 Aaronix [Taiwan]
1983 to 1992 (10 years)
 Aaru [Japan]
1996 to 2001 (6 years)
 Aasvoguelle Productions
 AB
 AB [Encase, IL, USA]
 AB Computers
 AB Designs
 ABA [Japan]
1990 to 1992 (3 years)
 Ababsoft
 Abaco d.o.o. [Sežana, Slovenia]
 Abacus
1989 to 1991 (3 years)
 Abacus Business Systems
 Abacus Programs
1982 to 1986 (5 years)
 AbadLend [France]
 Abalore Games
 Abbate System [Italy]
 Abbex Electronics
1982 to 1984 (3 years)
 Abbey Mfg. Co. [Los Angeles, CA, USA]
 ABC [Amusement Business Communication] [Japan]
 ABC Coin Machine Co. [IL, USA]
1933 to 1934 (2 years)
 ABC Popcorn Co. [Chicago, IL, USA]
 ABC Soft. [Spain]
1982 to 1986 (5 years)
 ABC-klubben
 ABCO Novelty Co. [Chicago, IL, USA]
1944 to 1953 (10 years)
 Abe, Masahiro
 Abel
2001 to 2002 (2 years)
 Abel & Co., Bernard [NY, USA]
 Abelson & Goodman & DiSessa
 Abersoft
1982 to 1984 (3 years)
 ABH Corp.
 Abilit [Japan]
1999 to 2008 (10 years)
 Abit
 Able Art Soft.
 Able Corp., Ltd. [Japan]
1986 to 2004 (19 years)
 Ablex [Korea]
1996 to 2000 (5 years)
 ABM & Gecas [Italy]
 ABM Electronics
1995 to 1996 (2 years)
 ABM Games
1997 to 1999 (3 years)
 Abnormal
1988 to 2012 (25 years)
 Abogado Powers
1994 to 2001 (8 years)
 Abominable, L' [France]
 Abracadata, Ltd.
1986 to 1990 (5 years)
 Abraham Mfg. Co., J.M. [Youngstown, OH, USA]
1948 to 1949 (2 years)
 Abrasco
1983 to 1984 (2 years)
 Abraxas
1985 to 1988 (4 years)
 Abraxas Basic Courseware
1983 to 1986 (4 years)
 Abraxas Soft.
 Abroy
 Absolute Ent., Inc. [Midland Park, NJ, USA]
1987 to 1994 (8 years)
 Absolute Gaming S.R.L. [Italy]
 Abstract Concepts
 Abstract Soft.
 ABT Mfg. Co. [Adler Bechtol Tratsch] [Chicago, IL, USA]
1924 to 1950 (27 years)
 Aburi Games
 ABX Soft.
 Abylight
 Abyss Connection
1988 to 2016 (29 years)
 AC Coin & Slot [USA]
2002 to 2011 (10 years)
 AC Novelty Co. [Detroit, MI, USA]
1936 to 1938 (3 years)
 AC, Ltd.
 Academic Hallmarks
1984 to 1987 (4 years)
 Academy [Germany]
 Academy Soft.
 AcademySoft [Moscow, Russia]
 Accept, Ltd. [Bulgaria]
 Access Co., Ltd. [Japan]
 Access Music GmbH [Germany]
1997 to 2004 (8 years)
 Access Soft., Inc.
1983 to 1999 (17 years)
 Accidental Soft.
1993 to 1994 (2 years)
 Acclaim Coin-Operated Ent., Inc. [Mountain View, CA, USA]
1996 to 1997 (2 years)
 Acclaim Ent., Inc. [Glen Cove, NY, USA]
1987 to 2004 (18 years)
 Acclaim Japan
1991 to 2002 (12 years)
 Accolad
 Accolade Europe, Ltd. [London, England] [020622]
1988 to 1994 (7 years)
 Accolade, Inc. [San Jose, CA, USA] [15605]
1985 to 1999 (15 years)
 Accord Data International, Ltd.
 Accrosoft
 ACCS
1993 to 1995 (3 years)
 Accuracy
1991 to 1995 (5 years)
 Accurate Research, Inc.
 ACE
1986 to 1987 (2 years)
 ACE [American Coin Enterprises] [USA]
1986 to 1998 (13 years)
 ACE [Amiable Computer Enhancements]
1984 to 1985 (2 years)
 ACE [Angus Computing Enterprise]
1991 to 1992 (2 years)
 ACE [Nederlands]
1981 to 1982 (2 years)
 Ace Coin Ent., Ltd. [Cardiff, England]
 Ace Coin Equipment, Ltd. [Cardiff, England]
1966 to 2002 (37 years)
 Ace Coin Machine Co.
 Ace Computing
 Ace Enterpise
 Ace International
1996 to 1997 (2 years)
 Ace Kouki Co., Ltd. [Japan]
 Ace Media
 Ace Mfg. Co., Inc. [Glen Burnie, MD, USA]
 Ace Novelty Co., The [Chicago, IL, USA]
 ACE Soft.
1984 to 1989 (6 years)
 Ace Spiel & Uhr [Germany]
 Ace Ware
1992 to 1993 (2 years)
 Aceex Corp.
 AcePak Soft.
 Acer America Corp.
 Acetec [Korea]
 Acetronic
1979 to 1982 (4 years)
 ACG [Ashby Computers & Graphics, Ltd.]
1983 to 1985 (3 years)
 Achille et Salvignac [France]
 Acid Plan [Japan]
1992 to 1996 (5 years)
 Acid Soft.
1991 to 1997 (7 years)
 Aciform Corp. [Chicago, IL, USA]
 Ackerlight
1988 to 1990 (3 years)
 ACL Mfg. [American Communications Laboratories] [Dover, DE, USA]
 Acme Animation, Inc.
 Acme Game Co. [MI, USA]
 Acme Novelty Co. [Las Vegas, NV, USA]
 Acme Novelty Works [MI, USA]
 ACME S.R.L. [VI, Italy]
 Acme Sales Co. [NY, USA]
 Acme Sales Co. [OH, USA]
1905 to 1922 (18 years)
 ACME Soft.
1983 to 1988 (6 years)
 Acolyte Soft.
 Acom
 Acord Games
 Acorn Computer, Ltd. [Cambridge, England]
1979 to 1997 (19 years)
 Acorn Computing
1992 to 1995 (4 years)
 Acorn Electron Today
 Acorn Soft. Products, Inc. [DC, USA]
1979 to 1982 (4 years)
 Acorn User
1983 to 1998 (16 years)
 Acorn, Inc.
1979 to 1986 (8 years)
 Acornsoft, Ltd. [England]
1980 to 1990 (11 years)
 Acoustimed
 Acquire Corp. [Japan]
2000 to 2015 (16 years)
 Across [Universal Entreprises Group] [Japan]
2013 to 2016 (4 years)
 ACS
1987 to 1988 (2 years)
 ACS [Amiga Cracking Service]
 ACS Soft. [Alexander Computing Systems]
1982 to 1985 (4 years)
 ACT
 ACT [Applied Computer Techniques]
1983 to 1987 (5 years)
 ACT [Association des Correspondants Thomsonistes] [France]
1994 to 1995 (2 years)
 Act Informatique
 Acti-Art Corp.
 Action Games & Toys, Ltd.
 Action Sixteen
1990 to 1996 (7 years)
 Action Surf Video [CA, USA]
 ActionSoft
 Actionware
1988 to 1989 (2 years)
 Active Amusement Machines Co. [Philadelphia, PA, USA]
 Active Cracking Crew
1983 to 1987 (5 years)
 Active Enterprises, Ltd. [USA]
1991 to 2012 (22 years)
 Active Learning Systems
 Active Soft.
 Active Soft. [Japan]
1991 to 1997 (7 years)
 Active Swapping Crew
 Activision Asia Pacific [Australia] [030917]
 Activision Blizzard Deutschland GmbH [Germany] [030917]
 Activision Blizzard International B.V. [030917]
 Activision Publishing, Inc. [Los Angeles, CA, USA] [47875]
2001 to 2019 (19 years)
 Activision UK, Ltd. [030917]
2008 to 2012 (5 years)
 Activision, Inc. [Los Angeles, CA, USA] [47875]
1993 to 2000 (8 years)
 Activision, Inc. [Menlo Park, CA, USA] [47875]
1988 to 1992 (5 years)
 Activision, Inc. [Mountain View, CA, USA] [47875]
1982 to 1988 (7 years)
 Activision, Inc. [Santa Clara, CA, USA] [47875]
1981 to 1982 (2 years)
 Activision, Inc. [Sunnyvale, CA, USA]
1980 to 1981 (2 years)
 Activity Records, Inc.
 Actor, Jeff
1986 to 1987 (2 years)
 Actronics
1981 to 1983 (3 years)
 Actual Cracking Ent.
1987 to 1988 (2 years)
 Actual Trading Generation
1988 to 2012 (25 years)
 ACZ Soft.
 Ad Astra
 Ad Lib
1989 to 1991 (3 years)
 Ad-Lee Novelty [Chicago, IL, USA]
1915 to 1939 (25 years)
 Adacom
 Adalio Mauro [Modena, Italy]
 Adam & Eve [Japan]
 ADAM Christian Educational
 ADAM Exchange
 ADAM News Network
1991 to 2012 (22 years)
 ADAM Tech
 ADAM Users Club
 ADAM Users Group
 ADAM's Apple
 ADAM's Enterprise
 ADAM's House
1987 to 1988 (2 years)
 ADAM-Link of Utah
 ADAMagic Soft.
1986 to 1988 (3 years)
 ADAMLand
 Adams & Sons Co. [Brooklyn, NY, USA]
 Adams Gum Co.
 Adams, Peter
 Adams, Scott
 Adams-Fairfax Corp. [Los Angeles, CA, USA]
1946 to 1948 (3 years)
 ADAMware
 ADAMzap Soft.
1986 to 1989 (4 years)
 aDawliah Universal Electronics APL. [Al-Khobar, Saudi Arabia]
 Adban de Corcy
2000 to 2002 (3 years)
 ADC [Advanced Digital Corp.]
 Adcock, T.J.
 Adcom Electron [Japan]
 Add On Electronics, Ltd.
1983 to 1984 (2 years)
 Addcom Electronics
 ADDE Marketing [France]
 Addex [France]
 Addicting Games, Inc.
 Addictive Games
1981 to 1993 (13 years)
 Addison-Wesley Publishing Co., Inc.
1982 to 1990 (9 years)
 ADDS [Applied Digital Data Systems]
1982 to 1986 (5 years)
 Addtech Research, Inc.
 ADE Automaten-Fabrik G.m.b.H. [Berlin, Germany]
 Adeline Soft. International
 ADELL Trading a.s.
 Adelphi Mfg. [London, England]
 Adelso, Steve
 ADI [Accord Data International]
 Adickes & Cie., Scott [Paris, France]
1933 to 1934 (2 years)
 Adilog [France]
 ADK Corp. [Japan]
1993 to 2002 (10 years)
 ADM
 ADMC
 Admirables
 Admiral
1992 to 1993 (2 years)
 Admiral Vending
 Admirals Srl [Italy]
 Adnkronos Libri
 Adobe
1993 to 1998 (6 years)
 ADP Coin Machine Co. [USA]
 ADP Merkur GmbH [Gauselmann Group] [Germany]
1976 to 2014 (39 years)
 ADP-Automaten GmbH [Germany]
1981 to 2000 (20 years)
 ADR
 Adrenalin Ent.
 Adrenalin Soft.
1990 to 1991 (2 years)
 Adrenalin UK
1992 to 1994 (3 years)
 Adrenaline Amusements
2010 to 2023 (14 years)
 Adria Gaming [Novomatic Group.] [Rimini, Italy]
 Adriatica
 ADS Corp.
 Adspec Programming
1990 to 1994 (5 years)
 ADT
 Adult Inn [Japan]
1987 to 1994 (8 years)
 Adult Swim Games
2012 to 2019 (8 years)
 Adultware
 ADV Corp.
 Advance [Spain]
1984 to 1985 (2 years)
 Advance Automatic Sales Co., Inc. [San Francisco, CA, USA]
 Advance Bright, Ltd.
2000 to 2007 (8 years)
 Advance Co. [San Francisco, CA, USA]
 Advance Electric Co. [Los Angeles, CA, USA]
 Advance Machine Co. [Chicago, IL, USA]
1901 to 1936 (36 years)
 Advance Radio Co. [Indianapolis, IN, USA]
 Advance Soft. Promotions
1986 to 1987 (2 years)
 Advanced Adventure Creations [Spain]
1990 to 1992 (3 years)
 Advanced Computer Ent.
1983 to 1989 (7 years)
 Advanced Computer Products, Ltd.
1985 to 1987 (3 years)
 Advanced Digital Devices, Ltd. [UK]
1992 to 1993 (2 years)
 Advanced Digital Systems Group
 Advanced Game Concepts, Inc.
 Advanced Game Engineering
 Advanced Gravis
1991 to 1995 (5 years)
 Advanced Handicapping Technologies, Inc.
 Advanced Ideas, Inc.
1982 to 1990 (9 years)
 Advanced Memory Systems, Ltd.
1983 to 1987 (5 years)
 Advanced Operating Systems [Michigan City, IN, USA]
1980 to 1981 (2 years)
 Advanced Productions
1995 to 1996 (2 years)
 Advanced Programmers
 Advanced Safety Devices, LLC. [Chatsworth, CA, USA]
 Advanced Soft. Promotions
 Advanced Soft. PTY, Ltd.
 Advanced Video Technology
1985 to 1989 (5 years)
 Advantage
 Advantage Plus Dist., Inc.
 Adventions
 Adventuras AD [Spain]
1990 to 1992 (3 years)
 Adventure 10
 Adventure Club, The
 Adventure International
1978 to 1997 (20 years)
 Adventure PD [London, England]
 Adventure Probe Soft.
1986 to 2003 (18 years)
 Adventure Soft., Ltd.
1985 to 2001 (17 years)
 Adventure Workshop, The
1992 to 1996 (5 years)
 Advision
 AE Associates
 AEA
1979 to 1984 (6 years)
 AEG Olympia
 Aegis
1985 to 1992 (8 years)
 AEK Crackware
1986 to 1987 (2 years)
 Aeon Flame
 Aerocraft Co. [Chicago, IL, USA]
 Afabear Soft.
 AFC
 Afega
1995 to 2001 (7 years)
 Affable Games
 Affect
1998 to 2002 (5 years)
 AFL [Association Francaise pour la Lecture] [France]
1984 to 1988 (5 years)
 AFRC Computing Centre
 Afterburn
 AG Corp.
 AG Soft
 Again Again
1988 to 1990 (3 years)
 Agamco, Inc. [Novi, MI, USA]
 Agat [Russia]
1983 to 1986 (4 years)
 Agatsuma Ent.
2004 to 2010 (7 years)
 AGCI [American Game Cartridges, Inc.] [USA]
 Agency Automation
1985 to 1987 (3 years)
 Ager-Bureautique [Viroflay, France]
 Agetec, Inc. [Sunnyvale, CA, USA]
1998 to 2015 (18 years)
 AGF Hardware
1982 to 1986 (5 years)
 Aggressive
 AGI [Austrian Gaming Industries] [Novomatic Group]
1990 to 2014 (25 years)
 Agilar
1990 to 1991 (2 years)
 Agile
1988 to 1989 (2 years)
 AGMN Co., Ltd. [Korea]
2002 to 2004 (3 years)
 Agner & Bushman
 AGO [Orleans, France]
 Agony
1993 to 1996 (4 years)
 Agridisp [France]
 AGS [A.G.Soft.]
 AGS [American Gaming Systems]
2009 to 2014 (6 years)
 AGT [Advanced Games Technology] [Taiwan]
 AGT, Inc. [Apollon Global Technologies] [CA, USA]
 Aguafresh
 Aguipa, S.A.
 Agumix [Japan]
1987 to 1996 (10 years)
 AH Soft.
 AHAFA-Reinecke & Co.
 Ahl & Cole
 Ahl & North
 Ahl, David
 Ahoy!-Ion International
1984 to 1987 (4 years)
 Ahrens, Ltd., Chas. [London, England]
1920 to 1934 (15 years)
 AHS [Japan]
 AI Soft
 AI Solve
 AIA
2001 to 2004 (4 years)
 Aic [Taiwan]
 AIC Spirits [Japan]
1995 to 1996 (2 years)
 Aicom Co., Ltd.
1994 to 1996 (3 years)
 Aicom Corp. [Japan]
1989 to 1990 (2 years)
 Aidonis Games
 Aigaareba Daijoubu
 Aihara, Takafumi
 AIK d.o.o. [Kozina, Slovenia]
 Aiky
 AIL [Japan]
1994 to 1997 (4 years)
 Aim Soft.
 AIM Technology
 AIMS Multimedia
1995 to 1996 (2 years)
 Aincar [Spain]
 Ainley, F.O.
 Ainsworth Co., Len H.
1956 to 1958 (3 years)
 Ainsworth Consolidated Industries Pty., Ltd. [Sydney, Australia]
1959 to 1986 (28 years)
 Ainsworth Dental Supply
1953 to 1954 (2 years)
 Ainsworth Game Technology, Ltd.
2004 to 2023 (20 years)
 Ainsworth Nominees P.L.
 Aion [Japan]
 Air Combat School
 Aircraft Engineering Co.
 Aireon Mfg. Corp. [Kansas City, MO, USA]
1946 to 1949 (4 years)
 Airline Soft.
 Airvox Radio Co. [Santa Cruz, CA, USA]
 Airwolf-Team
1990 to 1995 (6 years)
 Aisch & Melchers
1960 to 1971 (12 years)
 Aisel [Japan]
1987 to 1989 (3 years)
 AIWA
1987 to 1994 (8 years)
 AJ Vision
 AJA Soft.
 Ajax
 Ajax Distributing Co. [Newark, NJ, USA]
 Ajinomoto
 AJM Soft.
1987 to 1992 (6 years)
 AJS Soft.
 Ak Tronic Soft. & Services GmbH
2000 to 2010 (11 years)
 Akai
 Akaoni Studio
 Akesson, Linus
 Akhter
 Aki
1997 to 2000 (4 years)
 Akira Corp.
 Akom
 Akouzoukos
 Aksys Games Localization, Inc.
2008 to 2020 (13 years)
 AKT Corp.
 AL [Associated Leisure Sales]
 Al Alamiah
1984 to 1990 (7 years)
 Al Capone
 Al Rushaid
 ALA Soft.
1983 to 1984 (2 years)
 Ala Video
1980 to 1982 (3 years)
 Alamo Novelty Co. [San Antonio, TX, USA]
1930 to 1931 (2 years)
 Alan's Recordings
 Alans Health-Care Products Co., Ltd. [Beijing, China]
 Alaris
 Alb Co. [Belleville, IL, USA]
 Alba [Japan]
1985 to 1991 (7 years)
 Alba Arcade
2010 to 2022 (13 years)
 Alball Mfg. Co. [Brooklyn, NY, USA]
 Albany Hill Info Systems
 Albany Novelty Works [Albany, NY, USA]
1893 to 1899 (7 years)
 Albatross
 Alben [France]
1957 to 1964 (8 years)
 Albert Computers, Inc.
 Albion Crew
1993 to 2001 (9 years)
 Albrecht & Ullman
 Albrecht, Alvin
 Albrecht, Mario
 Alca Electronics, Ltd. [England]
1976 to 1981 (6 years)
 Alcatel
1984 to 1991 (8 years)
 Alchemist Co., Ltd. [Japan]
1999 to 2015 (17 years)
 Alchemist Research
 Alchemist Soft.
 Alco [France]
 Alco-Checkpoint [San Diego, CA, USA]
 Alco-Deree Co. [Chicago, IL, USA]
 Alcoholics
1989 to 1991 (3 years)
 Alcor Group, Inc., The
 Alcor Systems
 Ald, Inc. [Chicago, IL, USA]
 Alda Games
2013 to 2020 (8 years)
 Alder-Soft.
 Alderan
 Aldo
 Aldoda International
1986 to 1987 (2 years)
 Aldridge, Ian
 Aldridge, Nick
2000 to 2003 (4 years)
 Aldus
 Alea [Spain]
 Alert by Mindscape [USA]
1985 to 1986 (2 years)
 Alesis
1987 to 1996 (10 years)
 Alessandrini, Michele
1991 to 2002 (12 years)
 Alexander Mfg. Co., The [Hamilton, OH, USA]
 Alexander, Mark
 ALF Products, Inc.
 Alfa Soft.
1987 to 1989 (3 years)
 Alfa System
2001 to 2005 (5 years)
 Alfa Tech Srl. [Italy]
 Alfastreet [Sežana, Slovenia]
 Alfille & Gorback & Tanaka
 Alfille, Paul
 Alfo Soft.
 Alfred Publishing Co.
1984 to 1986 (3 years)
 ALG [Russia]
 Algo Soft. [Japan]
 Algolab [Japan]
1994 to 1996 (3 years)
 Algorithme [France]
 Algotek
 Algray Soft.
1982 to 1984 (3 years)
 Alias|Wavefront, Inc.
1996 to 1999 (4 years)
 Alicesoft [Japan]
1989 to 2019 (31 years)
 Alien Nation
1996 to 1997 (2 years)
 Alinea Computer
2006 to 2007 (2 years)
 Alive
1997 to 1999 (3 years)
 Alive Soft.
1989 to 1996 (8 years)
 Alivers
1997 to 2002 (6 years)
 ALIWE-Soft.
 Alkuno & Co. [New York, NY, USA]
1947 to 1949 (3 years)
 All American Games Co. [USA]
 All In! Games
 All Micros's Uruguay
 All Sports Arena Amusements, Inc.
 All-In Co., Ltd. [China]
 All-In Electronic
 All-In-One Co. [MO, USA]
 All-Tech Industries, Inc. [ATI] [Hialeah, FL, USA]
1961 to 1967 (7 years)
 Allais, M. [France]
 Allan, Simon
2006 to 2008 (3 years)
 Allanson Computing
1984 to 1985 (2 years)
 Allcorn, Martin
2014 to 2020 (7 years)
 Allen, Jeff
 Allen, Larry
 Allex [Japan]
1992 to 1994 (3 years)
 Alley, Andrew
 Alliance, The
1989 to 1992 (4 years)
 Allied Amusement Co. [USA]
 Allied Creative Engineers
 Allied Leisure Industries, Inc. [Hialeah, FL, USA]
1969 to 1979 (11 years)
 Alligata Soft.
1983 to 1989 (7 years)
 Alligator Soft.
 Allin, Samuel S. [London, England]
 Allite Mfg. Co., Inc. [Los Angeles, CA, USA]
 Allié, G. [France]
 Allot [Japan]
 Allstar Vending [Québec, Canada]
 Allswell Mfg. Co.
 Alltronics
 Allumer, Ltd.
1991 to 1996 (6 years)
 Allwood, Philip
 Allyn & Bacon
 Alma Games
 Alma Scop [Grenoble, France]
 Almathera Poland
 Almathera Systems, Ltd. [UK]
1992 to 1996 (5 years)
 Almost No Copyrights
 Almqvist & Wiksell
1987 to 1988 (2 years)
 Almy Mfg. Co. [IL, USA]
 Alpesoft
 Alpha Co.
1995 to 1996 (2 years)
 Alpha Denshi Co., Ltd. [Japan]
1980 to 1992 (13 years)
 Alpha Flight 1970
1985 to 1999 (15 years)
 Alpha Logic Business Systems
 Alpha Micro
 Alpha Soft.
1984 to 1986 (3 years)
 Alpha Systems
 Alpha Systems [Grenoble, France]
1981 to 1982 (2 years)
 Alpha Unit
 Alpha-Omega Soft., Ltd.
1985 to 1986 (2 years)
 Alphabatim
 AlphaDream Corp. [Japan]
 AlphaSmart, Inc.
 AlphaSmart, LLC
 Alphasoft
 Alpine Soft.
1987 to 1994 (8 years)
 Alps Electric
 Alro Soft.
 Alstate Group, Inc. [Henderson, NV, USA]
 Alsthom Atlantique
 Alta [Japan]
1994 to 2008 (15 years)
 Altacia [Japan]
1993 to 1995 (3 years)
 Altair Soft. Distribution Co.
1975 to 1977 (3 years)
 Altare Advanced Technologies
 Altec Mfg., Inc. [Reno, NV, USA]
 Alternate Source, The
1980 to 1982 (3 years)
 Alternate Worlds Technology
 Alternative Engineering
1981 to 1983 (3 years)
 Alternative Soft., Ltd.
1984 to 1995 (12 years)
 Althi
2011 to 2018 (8 years)
 Altic
 Altos Computer Systems
1981 to 1984 (4 years)
 Altra Roms
1984 to 1987 (4 years)
 Altron Corp.
1991 to 2002 (12 years)
 Altsys
 Altwasser, Richard Francis
 Alube, S.A.
 Alvin G. & Co. [Melrose Park, IL, USA]
1991 to 1993 (3 years)
 AM
 AM Co.
 Am-Tec
 AM. Prg [Korea]
 Amajeto
 Amalgamated Business Systems
 Amalgamated Ent., Inc. [CA, USA]
 Amanotes
2017 to 2019 (3 years)
 Amatic Industries [Austria]
2000 to 2012 (13 years)
 Amatic Trading
1993 to 2000 (8 years)
 Amaze Ent.
2003 to 2006 (4 years)
 Amazing Graphics
 Amazing Group!, The
1995 to 1997 (3 years)
 AmaZon Game Machine Production
 Amazon Systems
 Amba Soft.
1982 to 1983 (2 years)
 Ambassador, Inc. [Kansas City, MO, USA]
 Ambitious [Japan]
1993 to 1994 (2 years)
 Amco co., Ltd.
 AMCO Music [New Zealand]
 Amcoe, Inc. [USA]
1996 to 2010 (15 years)
 Amcom
 AMD [Advanced Micro Devices]
 AMD SRL
 Amedio
2002 to 2007 (6 years)
 Amenip
 Ameri
 America Online
1991 to 1996 (6 years)
 American Action AB
1986 to 1987 (2 years)
 American Adjustomatic Corp. [Portsmouth, OH, USA]
 American Airdry Corp. [Detroit, MI, USA]
 American Alpha, Inc. [Monmouth Junction, NJ, USA]
1992 to 2007 (16 years)
 American Amusement Co.
 American Auto-Dispensers, Inc. [Cleveland, OH, USA]
 American Automatic Banjo Co. [NJ, USA]
 American Automatic Machine Co. [NY, USA]
1892 to 1897 (6 years)
 American Automatic Vending Machine Mfg. Co. [New York, NY, USA]
 American Automatics [NY, USA]
 American Automusic Co.
 American Banking Machine Corp. [NY, USA]
 American Cigar Vender Co. [Chicago, IL, USA]
 American Databankers Corp. [OK, USA]
 American Eagle Soft., Inc.
1984 to 1985 (2 years)
 American Educational Computer, Inc.
1982 to 1988 (7 years)
 American Game Factory, Inc., The
 American Games Engineering Co.
 American Graphophone Co. [Washington, DC, USA]
 American Gripmeter Co., Inc. [Long Island, NY, USA]
 American Guidance Service
 American Institute for Professional Education
 American Language Academy
 American Laser Games, Inc. [Albuquerque, NM, USA]
1990 to 1995 (6 years)
 American Lens & Photo Co. [Chicago, IL, USA]
 American Locker Co., Inc. [Boston, MS, USA]
 American Machine & Foundry Co. [Westbury, NY, USA]
1961 to 1967 (7 years)
 American Management Association
 American Mechanical Toy Co. [New York, NY, USA]
 American Meter Co.
 American Mfg. & Sales Co. [OR, USA]
 American Mills & Mfg. Co.
 American Mutoscope Co. [New York, NY, USA]
1900 to 1910 (11 years)
 American National Dispensing Co., Inc. [ANDICO] [Lansdale, PA, USA]
 American News Paper Distributing Co. [Cincinnati, OH, USA]
 American Novelty Co. [OH, USA]
1894 to 1908 (15 years)
 American Paper Goods Co., The [Chicago, IL, USA]
 American Prod. Co.
 American Radio Laboratories [Chicago, IL, USA]
1929 to 1930 (2 years)
 American Sales Co. [Chicago, IL, USA]
1927 to 1929 (3 years)
 American Sales Co. [MO, USA]
 American Sammy Corp. [Torrance, CA, USA]
1988 to 2002 (15 years)
 American Scale Mfg. Co. [Washington, DC, USA]
1946 to 1968 (23 years)
 American Shuffleboard Co. [Union City, NJ, USA]
1954 to 1970 (17 years)
 American Softworks Corp.
1991 to 1998 (8 years)
 American Specialty Mfg. Co. [NY, USA]
 American Stamp & Novelty Mfg. Co. [Oklahoma City, OK, USA]
 American Technos
1990 to 1996 (7 years)
 American Telescope Co. [Evansville, IN, USA]
 American Ticket Scale Co. [Chicago, IL, USA]
1926 to 1928 (3 years)
 American Vending Corp. [Kansas City, MO, USA]
 American Vending Machine Co.
1903 to 1904 (2 years)
 American Vending Machine Corp. [Kansas City, MI, USA]
 American Vendors, Inc. [Los Angeles, CA, USA]
1947 to 1949 (3 years)
 American Video Ent., Inc. [Burlingame, CA, USA]
1989 to 1993 (5 years)
 American Videogame
 Americana Project [Galatina, Italy]
 Americana Soft.
1984 to 1990 (7 years)
 Americoin [Milwaukee, WI, USA]
1975 to 1977 (3 years)
 Amero Shuffleboard Co. [Chicago, IL, USA]
 Amersoft
1984 to 1985 (2 years)
 Amet, Edward H. [Chicago, IL, USA]
1888 to 1889 (2 years)
 AMF [Mechanicsville, VA, USA]
 Amfas Computer Soft., Ltd.
 AMG
 AMI [American Megatrends, Inc.]
 AMI [Automatic Musical Instruments] [Grand Rapids, MI, USA]
1927 to 2007 (81 years)
 AMI [Torino, Italy]
1975 to 1977 (3 years)
 Amico Electronics
 Amiga Corp. [Santa Clara, CA, USA]
1983 to 1984 (2 years)
 Amiga E PD
 Amiga Library Services
1993 to 1995 (3 years)
 Amiga Mania
 Amiga Special Media GmbH
 Amigastore
 Amigogame [Korea]
2002 to 2004 (3 years)
 Amitech Denmark
 Amitek
 Amity-Mfg. Corp. [Perth Amboy, NJ, USA]
 Amoeba Soft.
 Amok
1989 to 1990 (2 years)
 AMOK [Amiga Modula & Oberon Klub] [Stuttgart, Germany]
 Amore, Gabriele
2013 to 2016 (4 years)
 Amorphis
1995 to 2003 (9 years)
 Amorphous [Japan]
1989 to 1995 (7 years)
 AMOS PD
 AMP [France]
 Ampalsoft [TM of Ampal Computer Services]
1983 to 1984 (2 years)
 Ampex Corp.
1980 to 1988 (9 years)
 AMPLE Information Exchange
1987 to 1992 (6 years)
 Ample Soft. [Japan]
 Ampro
1980 to 1989 (10 years)
 AMR [Japan]
 AMR-Soft
 Amrac
 AMS [Amusement Machines Service SRL]
 Amsat-UK Soft. Service
 Amsing-Mag
1989 to 1990 (2 years)
 Amsoft
1984 to 1988 (5 years)
 Amstar Electronics Corp. [Phoenix, AZ, USA]
1980 to 1990 (11 years)
 Amstrad Accion
 Amstrad Adventure PD Library
 Amstrad Consumer Electronics
 Amstrad ESP
 Amstrad Games
 Amstrad PLC
1984 to 1997 (14 years)
 Amstrad Video-Play
 AMT Co., Ltd
1991 to 1992 (2 years)
 AMT Savan Corp.
 Amtec [Amusement Technology] [Italy]
 Amtex Soft. Corp. [Canada]
 Amusco
 Amuse [Japan]
1993 to 1996 (4 years)
 Amuse World Corp. [Seoul, Korea]
1998 to 2020 (23 years)
 Amusematic Corp. [Chicago, IL, USA]
1946 to 1947 (2 years)
 Amusement [Japan]
 Amusement Coin Machine Mfg. Co. [Pittsburgh, PA, USA]
 Amusement Corp. of America
 Amusement Device & Design Co. [USA]
 Amusement Engineering
 Amusement Enterprises [TX, USA]
1946 to 1947 (2 years)
 Amusement Enterprises, Inc. [New York, NY, USA]
1946 to 1947 (2 years)
 Amusement Game
 Amusement Machine [UK]
 Amusement Machine Co. [New York, NY, USA]
1890 to 1894 (5 years)
 Amusement Machine Co. [Rochester, NY, USA]
 Amusement Machine Corp. of America [Los Angeles, CA, USA]
 Amusement Machine Corp., Ltd. [Los Angeles, CA, USA]
 Amusement Makers
1996 to 1998 (3 years)
 Amusement Novelty Co. [OH, USA]
 Amusement Products Corp. [NJ, USA]
 Amusement Specialties, Inc. [Brooklyn, NY, USA]
 Amusement Systems Corp. [ASC] [Cape Canaveral, FL, USA]
 Amusement Technology [Asbury Park, NJ, USA]
 Amusement World
 AmuseTec S.L. [Spain]
 Amusitronix
 Amust
 Amutec
1987 to 2001 (15 years)
 Amutech, Ltd. [Amusement Technology] [San Rafael, CA, USA]
 Amutron [Netherlands]
 Amutronics, Inc. [Cherry Hill, NJ, USA]
1972 to 1973 (2 years)
 Amutronics, Inc. [Troy, NY, USA]
 Amuzy [Japan]
2005 to 2013 (9 years)
 AMX
 An-soft [Japan]
 ANALOG Computing
1980 to 1989 (10 years)
 Analog Soft.
 Analogic Corp.
 Analogy [Spain]
1995 to 1997 (3 years)
 Anarchy
1990 to 1993 (4 years)
 Anatrol Corp.
 Anaya Multimedia
1985 to 1986 (2 years)
 Anchor Automation
 Ancient Corp.
 Ancient Temple, The
1988 to 1993 (6 years)
 Anco Soft., Ltd.
1983 to 2000 (18 years)
 Andamiro Co., Ltd.
1999 to 2023 (25 years)
 Anderson & Barban & Thompson
 Anderson Die & Model Co. [Anderson, IN, USA]
 Anderson, Alan
 Anderson, Craig
 Anderson, Jeff
 Anderson, John
 Anderson, Ken
 Anderson, Margaret
1986 to 1992 (7 years)
 Anderson, Margaret & Ann
 Anderson, R.S.
 Anderson, Tony B.
 Andersson, Ola
 Andkon
 Ando
 Andon, Mick
 Andra S.A.
 Andrews & Co. [Chicago, IL, USA]
 Andries Robert Automatic S.p.r.l. [Brussels, Belgium]
 Andromeda Soft.
1984 to 1988 (5 years)
 ANES
1997 to 2002 (6 years)
 ANG Soft.
1991 to 1994 (4 years)
 Ange [Japan]
1991 to 1996 (6 years)
 Angel [Japan]
1988 to 1997 (10 years)
 Angel Dust [Japan]
 Angel Soft
 Angel Studios
1990 to 1995 (6 years)
 Angelique, A. [Juvisy-sur-Orge, France]
 Angels
1997 to 2005 (9 years)
 Angier Akers & Co. [England]
 Anglosoft
 Angstrem
 Anicom Soft. [Korea]
1995 to 2001 (7 years)
 Anik Microsystems
 Anima Scientific Computing
 Animagic [Spain]
1989 to 1990 (2 years)
 Animal Behavior Enterprises, Inc. [Hot Springs, AR, USA]
 Animal Mine
1991 to 1996 (6 years)
 Animal Soft
 Animasia
 Animated Amusements
 Animated Pixels
1990 to 1991 (2 years)
 Anime TEC
 Animedia [Korea]
1999 to 2000 (2 years)
 Anirog Soft., Ltd.
1983 to 1985 (3 years)
 Anitek Soft. Products
 Anjin [Japan]
1995 to 1998 (4 years)
 Anker-Werke A.-G. [Bielefeld, Germany]
 Ankoku Baitai Soft. House
1989 to 1991 (3 years)
 Ann Arbor Softworks
 Ann Arbor Terminals, Inc. [MI, USA]
 Annandule Project
1990 to 1992 (3 years)
 Annapurna Interactive
 ANS Consultants
1989 to 1990 (2 years)
 Ansible Information
 Answare [Paris, France]
1982 to 1985 (4 years)
 Answer [Japan]
 Antares Virtual Reality Systems
 Anteco Soft.
1982 to 1983 (2 years)
 Anteta
 Anthony Cigar Co. [OH, USA]
 Anthony Liquid Vending Machine Co. [St. Paul, MN, USA]
 Anti Design
 Antic
1990 to 2004 (15 years)
 ANTIC Publishing
1981 to 1989 (9 years)
 Antic Soft. [Czech Rep.]
 Antifaz & the Dog
 Antinomia
 Antinos Records, Inc. [Japan]
 Antique Apparatus, The [Sherman Oaks, CA, USA]
 Antique Slot Machine Part Co. [Carpentersville, IL, USA]
 Antiram
 Antirom
1982 to 1986 (5 years)
 Antoine
 Antonelli
 Antonic, Voja
 Anubis Soft.
1984 to 1985 (2 years)
 ANWUC
 Any Channel Inc.
 AOne Games
 Aozora Ent. [Korea]
 Apache Soft., Ltd.
 APC & TCP
1992 to 2000 (9 years)
 APDI [Paris, France]
 Ape Soft.
1985 to 1986 (2 years)
 Apelco, S.A.
 Apex Amusement Machine Co.
 Apex Amusements [Australia]
1949 to 1959 (11 years)
 Apex Developments
 Apex Gaming Technology GmbH [Austria]
 Apex Systems
 Apex Trading, Ltd.
1982 to 1983 (2 years)
 APF Electronics, Inc.
1976 to 1980 (5 years)
 APG
 APH Corp.
 Apidya
1996 to 2008 (13 years)
 Apies [Japan]
 Apisz [Hungary]
 Aplix Corp. [Japan]
 Apocalypse
 Apocalypse Soft.
 Apogee Soft.
1986 to 2009 (24 years)
 Apollo 7
 Apollo 8502
 Apollo Computer
1988 to 1992 (5 years)
 Apollo Soft.
 Apollo Technica [Japan]
1982 to 1986 (5 years)
 Apollo, Inc. [Richardson, TX, USA]
1981 to 1983 (3 years)
 Apolo, Inc.
 Apparate Bauanstalt Bavaria
 Apple [Japan]
1983 to 1993 (11 years)
 Apple Chemical Soft.
1988 to 1989 (2 years)
 Apple Computer, Inc.
1976 to 2004 (29 years)
 Apple Industries, Inc. [Baychester, NY, USA]
1998 to 2010 (13 years)
 Apple Pie [Japan]
1992 to 1996 (5 years)
 Apple Pugetsound Program Library Exchange
1978 to 1982 (5 years)
 Apple Seedrin [Les Ulis, France]
1982 to 1984 (3 years)
 Apple Soft. [Japan]
1989 to 1990 (2 years)
 Apple Time [Italy]
 Apple, Inc. [USA]
 Appleby Associates
 Applecart Programs for Education
 Appleware [Korea]
 Applications Plus
 Applications Soft. Specialities
1983 to 1984 (2 years)
 Applied Concepts, Inc.
1978 to 1982 (5 years)
 Applied Microcomputer Systems
1977 to 1988 (12 years)
 Applied Microelectronics Institute [Canada]
 Applied Optical Media Corp.
1991 to 1993 (3 years)
 Applied Real Time Systems
 Applied Soft.
 Applied Soft. Solutions
 Applied Technology Microworld
 Applied Technology Pty., Ltd.
1976 to 1987 (12 years)
 Applix Pty., Ltd.
 Apricot [Japan]
 Apricot Computer, Ltd.
1987 to 1993 (7 years)
 Apricote Studios
 Aproman [Korea]
1986 to 1989 (4 years)
 Apropos Technology
 Apros
 Apros Selon
 APS [Amiga Public Serie] [Germany]
 APS [Ukraine]
 APT Projects, Ltd.
 APX [Atari Program Exchange]
1979 to 1983 (5 years)
 AQ Interactive [Japan]
2006 to 2009 (4 years)
 AQRS
 Aqua Plus [Japan]
1999 to 2019 (21 years)
 Aqua Rouge
1999 to 2001 (3 years)
 Aqua Systems [Japan]
 Aqua Thought
1994 to 1998 (5 years)
 Aquarius [Thailand]
 Aquarius Edizioni [Italy]
1983 to 1986 (4 years)
 Aquarius People Materials, Inc.
1984 to 1985 (2 years)
 Aques
1996 to 1998 (3 years)
 AR Soft.
 Arachnid, Inc. [Rockford, IL, USA]
1983 to 1999 (17 years)
 Aragorn
1987 to 1990 (4 years)
 Aram
 Arax
 Arbiter Leisure
 ARC
1986 to 1990 (5 years)
 ARC [Japan]
 Arc Educational Soft.
 Arc System Works
1995 to 2020 (26 years)
 Arcade
1984 to 1995 (12 years)
 Arcade Amusement Co. [Minneapolis, MN, USA]
 Arcade Animation
 Arcade Crew, The
 Arcade Games
1984 to 1985 (2 years)
 Arcade Masters
 Arcade Soft.
1982 to 1984 (3 years)
 Arcade Srl [Italy]
 Arcade Supply Co. [Chicago, IL, USA]
 Arcade Team, The
 Arcade Zone, Ltd.
 Arcadeaholics, LLC
 ArcadeTown
 Arcadia Acoustic Automatics [England]
 Arcadia Corp. [USA]
 Arcadia Soft., Inc.
1983 to 1988 (6 years)
 Arcadia srl [Italy]
1985 to 1989 (5 years)
 Arcadia Systems, Inc. [Mastertronic Group] [Costa Mesa, CA, USA]
1987 to 1991 (5 years)
 Arcana Soft. Design
1986 to 1989 (4 years)
 Arcane Ent.
 Arcanum Computing
1987 to 1995 (9 years)
 Archer, Keith
 Archibald [UK]
 Archimedes World
1990 to 1995 (6 years)
 ARCO Publishing
 Arco Sales Co. [Philadelphia, PA, USA]
 Arcooda, Ltd.
 Arcoss
1993 to 1995 (3 years)
 ARCsoft Publishers
 Arctic Vendor Sales Co., Inc. [Appleton, WI, USA]
 ARD [Anderson Research and Design]
1980 to 1982 (3 years)
 ARE System [Japan]
1988 to 1992 (5 years)
 Arena Ent.
1991 to 1994 (4 years)
 Arena Giochi srl [Imola, BO, Italy]
2010 to 2011 (2 years)
 Arene [Paris, France]
 Arene-Softene [Paris, France]
 ARESCO
1978 to 1979 (2 years)
 Arfyc, S.A.
 Argent
1995 to 2008 (14 years)
 Argo
 Argon Games
 Argonaut Soft.
1984 to 1993 (10 years)
 Argox
 Argus
 Argus Press Soft., Ltd. [UK]
1983 to 1988 (6 years)
 Argus Specialist Publications
1982 to 1991 (10 years)
 Argyle Automatic Co. [London, England]
 ARIA [Japan]
 Aries
1984 to 1985 (2 years)
 Aries Technology
2017 to 2021 (5 years)
 Arika [Japan]
1998 to 2019 (22 years)
 Ariola
 Ariola Eurodisc, S.A.
 Ariolasoft [Germany]
1981 to 1990 (10 years)
 Aristocrat Automatics, Ltd. [London, England]
1967 to 1977 (11 years)
 Aristocrat Leisure Industries Pty, Ltd.
1985 to 2023 (39 years)
 Aristocrat Technologies Co., Ltd. [Tokyo, Japan]
2001 to 2014 (14 years)
 Arizona Automaton, Inc. [Phoenix, AZ, USA]
 ArJay Exports
 Arjona, Enrique Soto
 Ark Multimedia Publishing
 Arkansas Novelty Co. [AR, USA]
 Arkeo Soft.
 Arkham Products
1992 to 1998 (7 years)
 Arkon Automaten
1980 to 1983 (4 years)
 Arkos
1992 to 2008 (17 years)
 Arlington Heights Machine Works [IL, USA]
 Arlington Sales
 Armadillo Soft
 Armaly Labs
 Armati Soft.
1985 to 1988 (4 years)
 Armbruster, Frank
 Armchair Ent., Ltd.
 Armenia, Ltd.
 Armitron
 Armonk Corp.
 Armor Games, Inc.
 Arnold & Newborn
1971 to 1978 (8 years)
 Arnold's Mfg. Co.
 Arnold, Ken
1982 to 1983 (2 years)
 Arnold, Toni
 Arnor, Ltd.
1985 to 1988 (4 years)
 Arnpoly
 Aroma Co., Ltd. [Japan]
1997 to 1999 (3 years)
 Arrington Soft.
 Arrow
1984 to 1985 (2 years)
 Arrow Micro-Techs
1992 to 1995 (4 years)
 Arsenic
1994 to 1997 (4 years)
 Arsys Soft., Inc. [Japan]
1986 to 1993 (8 years)
 Art & Magic
1993 to 1999 (7 years)
 Art [Korea]
 Art Design
1994 to 1997 (4 years)
 Art Edition
 Art of Dreams
 Art Spec [Japan]
 Artax Games
 Artcraft [Korea]
 Artdink Corp. [Japan]
1985 to 2018 (34 years)
 Arte
 Artec [Japan]
1988 to 1991 (4 years)
 Arthur, Frank D. [New York, NY, USA]
 Arti Dev., Ltd.
 Artic Computing, Ltd.
1981 to 1986 (6 years)
 Artic International
1981 to 1984 (4 years)
 Artificial Intelligence Design Systems
 Artificial Intelligence Inc.
 Artigiana Ricambi
 Artists & Creators Guild
 ArtlimMedia [Korea]
 Artron
 Artronic
1988 to 1990 (3 years)
 ArtSci
1981 to 1984 (4 years)
 Artworx Soft. Co., Inc.
1980 to 1990 (11 years)
 ARUG
 Aruze Corp. [Japan]
1970 to 2009 (40 years)
 Aruze Gaming America, Inc. [Las Vegas, NV, USA]
2007 to 2012 (6 years)
 Arvai, Zoltan
 Arxe Systems
 Aryxoft
 Asahi Sangyo Co., Ltd. [Japan]
 Asashi Bussan [Japan]
 ASC [Answer Soft. Corp.]
 ASC Games
1992 to 1999 (8 years)
 Ascaron Publishing Soft.
 ASCAT [Japan]
 Ascension Designs
 Aschcom
1986 to 1987 (2 years)
 ASCI [Association pour les Services Connexes à l'Informatique] [France]
1990 to 1993 (4 years)
 ASCII Corp. [Japan]
1979 to 2001 (23 years)
 ASCII Ent. Soft., Inc. [USA]
1992 to 1999 (8 years)
 ASCII Publishing [Japan]
1980 to 1982 (3 years)
 ASCII Soft. [Japan]
 ASCII Something Good Corp. [Japan]
1997 to 1998 (2 years)
 Asclepios Soft.
 ASCO [Newark, NJ, USA]
1942 to 1947 (6 years)
 Ascom [Japan]
 Ascom [Swiss]
 Ascomoid [Japan]
 Ascon Soft.
1991 to 1996 (6 years)
 Ascot
 Ascraeus
1996 to 1997 (2 years)
 Asder Soft. [Taiwan]
1993 to 2000 (8 years)
 ASDG
1987 to 1997 (11 years)
 ASEL [Italy]
 ASELEC
1984 to 1985 (2 years)
 ASEM S.p.A.
 ASF s.c.
1991 to 1993 (3 years)
 ASG
 Asgard
 Ashlar
 Ashley, Allen
 Ashton & Wilson
 Ashton-Tate
1982 to 1984 (3 years)
 Asia Soft Lab
 Asica Soft
 Asimware Innovations
1993 to 1999 (7 years)
 Asirus
 ASK Kodansha Co., Ltd. [Japan]
1984 to 2002 (19 years)
 ASK, Ltd. [Applied Systems Knowledge]
1985 to 1987 (3 years)
 Aska Corp. [Japan]
 ASL [Audiogenic Soft., Ltd.]
1982 to 1996 (15 years)
 ASL Sales Co.
 ASM [Japan]
 Asmik Ace Ent., Inc. [Japan]
1998 to 2012 (15 years)
 Asmik Co., Ltd. [Japan]
1988 to 1997 (10 years)
 Asmik Corp. of America [USA]
1990 to 1993 (4 years)
 ASN Diffusion
 Aso Soft [Japan]
 ASP
 ASP Corp.
 ASP Soft.
1982 to 1984 (3 years)
 Aspect
1997 to 2000 (4 years)
 Aspin & Furry [DE, USA]
 Aspirin Machine Corp. [Columbus, OH, USA]
 Aspyr
1998 to 2017 (20 years)
 ASSA
 Assassin Soft.
1983 to 1984 (2 years)
 Assassin Time
 Assassins, The
1991 to 1994 (4 years)
 Assemblage Corp.
 Assimil
 Assist [Japan]
1990 to 1992 (3 years)
 AssistWare
1991 to 1994 (4 years)
 Associated Amusements
 Associated Distributors [Detroit, MI, USA]
 Associated Overseas Mfr. Inc.
 Association of Computer Experimenters
1978 to 1985 (8 years)
 Assogiochi Assago [Italy]
 AST System
1994 to 1995 (2 years)
 Ast, Hervé [France]
2005 to 2006 (2 years)
 Astar International, Inc.
 Astec 21
1996 to 2000 (5 years)
 Astel Media [Korea]
 Astennu [Netherlands]
 Astonsoft
 Astor [Florence, Italy]
 Astor Soft. [Portugal]
1984 to 1986 (3 years)
 Astor SRL
 Astra Automaten
 Astra Casino Gaming, Ltd. [Bridgend, Mid Glamorgan UK]
 Astra Games, Ltd. [Novomatic Group] [Bridgend, Mid Glamorgan UK]
1995 to 2014 (20 years)
 Astragon Ent.
 Astral Ent.
1998 to 2001 (4 years)
 Astral Soft.
 Astralog, Ltd.
 Astro Corp. [Taipei, Taiwan]
1999 to 2011 (13 years)
 Astro Games
 Astro Graphics
 Astro Soft.
1982 to 1983 (2 years)
 Astro-Tronics, Inc.
 Astrocade, Inc.
1981 to 1985 (5 years)
 Astroll Co., Ltd. [Japan]
 Astrolograph Corp.
 Astronut
1988 to 1989 (2 years)
 Astropick [Cherry Hill, NJ, USA]
 Astros Productions
1987 to 1988 (2 years)
 Astrosmurf
 Astrovision, Inc.
1980 to 1981 (2 years)
 Astrum Technologies, S.L.
 Asus
1989 to 2001 (13 years)
 Asylum Ent.
 AT&T, Inc. [USA]
1981 to 1990 (10 years)
 Ataboy
 Atalantis
 Atares
1993 to 1994 (2 years)
 Atari Corp. [CA, USA]
1984 to 1997 (14 years)
 Atari Crack Band
 Atari Europe S.A.S.U.
1974 to 2011 (38 years)
 Atari Games Corp. [CA, USA]
1984 to 2000 (17 years)
 Atari Inside
1994 to 1996 (3 years)
 Atari Interactive, Inc.
1997 to 2016 (20 years)
 Atari Italia S.p.A.
 Atari PECF [Creteil, France]
1980 to 1989 (10 years)
 Atari Studio
 Atari Theater [Paris, France]
1976 to 1978 (3 years)
 Atari UK, Ltd.
1986 to 2003 (18 years)
 Atari, Inc. [CA, USA]
1972 to 1984 (13 years)
 Atari, Inc. [NY, USA]
2002 to 2013 (12 years)
 Atari-Elektronik Vertriebsgesellschaft mhB [Hamburg, Germany]
1984 to 1985 (2 years)
 AtariAge
1997 to 2020 (24 years)
 Atariforce
 Atarisoft [Atari, Inc.]
1982 to 1985 (4 years)
 Atebe
 AtGames Digital Media, Inc.
2004 to 2018 (15 years)
 Athena / Able
 Athena [France]
 Athena Co., Ltd. [Japan]
1988 to 2010 (23 years)
 ATI Editora [Brazil]
 Atkin & Gorlen
 Atkin & Gorlen & Slate
1969 to 1970 (2 years)
 Atkin & Slate
 Atlantic Soft. [Spain]
 Atlantis
1991 to 1994 (4 years)
 Atlantis Soft.
1983 to 1992 (10 years)
 Atlas [Hungary]
 Atlas Adventure Soft.
1987 to 1988 (2 years)
 Atlas Games
1941 to 1947 (7 years)
 Atlas Indicator Works, Inc. [Chicago, IL, USA]
1930 to 1932 (3 years)
 Atlas Mfg. & Sales Co. [Cleveland, OH, USA]
1947 to 1954 (8 years)
 Atlas Mfg. Co. [Kaukauna, WI, USA]
1925 to 1927 (3 years)
 Atlas Mfg. Co. [NY, USA]
 Atlas Mfg. Co. [OH, USA]
 Atlas Novelty Co.
 Atlas Sales Co. [Kaukauna, WI, USA]
 Atlas Tool & Mfg. [St. Louis, MO, USA]
 Atlus Co., Ltd. [CA, USA]
 Atlus Co., Ltd. [Japan]
1989 to 2018 (30 years)
 Atlus Corp., Ltd. [CA, USA]
1996 to 1997 (2 years)
 Atlus Soft., Inc. [CA, USA]
1991 to 1995 (5 years)
 Atlus USA, Inc. [CA, USA]
1999 to 2011 (13 years)
 ATM [Automatic Toys Modena]
 Atmark [Japan]
2001 to 2002 (2 years)
 Atom
 Atomic Demo Heroes
1990 to 1999 (10 years)
 Atomic Energy Commission [Los Alamos, New Mexico]
 Atomic Soft.
1991 to 1992 (2 years)
 Atomwide, Ltd.
 ATPL
1984 to 1985 (2 years)
 Atrativa Japan
 AtraX s.c. [Poland]
1991 to 1994 (4 years)
 Atrocity
 Atronic
1999 to 2011 (13 years)
 Attic Ent. Soft. GmbH
1994 to 1997 (4 years)
 Attica Cybernetics
 Atto Ent. [Korea]
 ATV
 ATW [Artic Electronics Co., Ltd.] [Kaohsiung, Taiwan]
1981 to 1983 (3 years)
 AUCBE
1983 to 1984 (2 years)
 Auchan [France]
 Audimicro
 Audio Sonic
1978 to 1981 (4 years)
 Audio Spectrum [Spain]
 Audoly [Nice, France]
 Auffangschalen [Germany]
 AUGE 4000
1987 to 1994 (8 years)
 Augus Co., Ltd. [Japan]
 Auguste, L. [France]
 Auriez [France]
 Aurora Mfg. Co. [New York, NY, USA]
1931 to 1932 (2 years)
 Aurum Soft
 Auryn Soft. [Spain]
1986 to 1987 (2 years)
 AUSBUG [Australasian MicroBee Users Group]
 Austar
 Austerman Automatic Oil & Gasoline Service Station Co., Inc. [Whichita, KS, USA]
 Austin, S.J.
 Australian Computer & Telecommunications
 Australian Crackers United
1988 to 1990 (3 years)
 Australian Engineers & Metal Stampers Pty., Ltd.
 Australian Poolette Co. [Australia]
 Austrian Cracking Crew
1986 to 1992 (7 years)
 Austrian Union, The
1987 to 1988 (2 years)
 Author Direct Network
 Auto Arcade
 Auto Doctor Co. [Geneva, NY, USA]
 Auto-Bell Novelty Co. [Chicago, IL, USA]
1950 to 1981 (32 years)
 Auto-Data Graz
 Auto-Dice Co.
 Auto-Merchandising Co. [Pittsburgh, PA, USA]
 Auto-Newsy, Inc. [Renton, WA, USA]
 Auto-Photo Co., Inc. [Los Angeles, CA, USA]
1952 to 1962 (11 years)
 Auto-Vend, Inc. [Dallas, TX, USA]
 Auto-Vender Co.
 Autocue
 Autodesk
 Autographics Soft.
1983 to 1984 (2 years)
 Automaatti Teollisuus OY [Finland]
 Automat Games Co. [Chicago, IL, USA]
1931 to 1939 (9 years)
 Automata Cartography
1982 to 1983 (2 years)
 Automata U.K., Ltd.
1982 to 1985 (4 years)
 Automated Simulations, Inc.
1978 to 1982 (5 years)
 Automated Technology Associates
 Automaten & Sprechmaschinen
 Automaten Werner & Co
 Automaten-Gesellschaft GmbH [Germany]
 Automaten-Manufaktur [Frankfurt, Germany]
 Automatenbau Pfronten
1952 to 1957 (6 years)
 Automatenbau Rhein-Ruhr
1935 to 1956 (22 years)
 Automatenbetrieb Navigator
 Automatenfabrik Atlantic [Berlin, Germany]
 Automates Electra GmbH
 Automateur [Sweden]
 Automatic
 Automatic Amusement Co. [London, England]
 Automatic Amusement Co., Inc. [Los Angeles, CA, USA]
1932 to 1938 (7 years)
 Automatic Amusement Devices, Inc. [Chicago, IL, USA]
 Automatic Battery Co. [Brooklyn, NY, USA]
 Automatic Billiard Corp.
 Automatic Book Vending Corp. [New York, NY, USA]
 Automatic Canteen Co. of America [Chicago, IL, USA]
 Automatic Cash Discount Register Co. [Chicago, IL, USA]
 Automatic Clerk & Advertising Co.
 Automatic Coin Equipment, Ltd. [ACE] [Cardiff, England]
 Automatic Coin Machine Co.
1931 to 1932 (2 years)
 Automatic Coin Machines & Supply Co. [Chicago, IL, USA]
 Automatic Corp. [Chicago, IL, USA]
 Automatic Devices Inc.
 Automatic Dispenser Co. [Beverly Hills, CA, USA]
 Automatic Engineering Corp.
 Automatic Games [Chicago, IL, USA]
 Automatic Games Co. [Inglewood, CA, USA]
1931 to 1933 (3 years)
 Automatic Industries [Youngstown, OH, USA]
1931 to 1932 (2 years)
 Automatic Inventions, Inc. [New York, NY, USA]
 Automatic Jobbers Assn., Inc.
 Automatic Machine & Tool Co. [Chicago, IL, USA]
1894 to 1936 (43 years)
 Automatic Machine Co. [New York, NY, USA]
1888 to 1940 (53 years)
 Automatic Machine Co. [RI, USA]
 Automatic Machines, Inc. [Los Angeles, CA, USA]
 Automatic Mfg. Co. [NY, USA]
1892 to 1893 (2 years)
 Automatic Musical Co. [Binghamton, NY, USA]
 Automatic Novelty Co. [Kansas City, MO, USA]
 Automatic Novelty Co. [London, England]
 Automatic Novelty Co. [Philadelphia, PA, USA]
 Automatic Novelty Co. [San Antonio, TX, USA]
 Automatic Novelty Machine Co. [NY, USA]
 Automatic Perfume Fountain Co. [NJ, USA]
 Automatic Phonograph Exhibition Co. [New York, NY, USA]
 Automatic Products Co. [New York, NY, USA]
 Automatic Radio Corp. [Cincinnati, OH, USA]
 Automatic Retailing Corp. [New York, NY, USA]
1928 to 1931 (4 years)
 Automatic Sales Co. [Lansing, MI, USA]
 Automatic Sanitary Vender Corp. [New Brunswick, NJ, USA]
 Automatic Selling Machine Co. [New York, NY, USA]
 Automatic Service Corp. [Los Angeles, CA, USA]
 Automatic Service Corp. of America, Inc. [Chicago, IL, USA]
 Automatic Skill Machines Co. [London, England]
1901 to 1909 (9 years)
 Automatic Sports Co. [London, England]
1900 to 1912 (13 years)
 Automatic Stamping Machine Co. [Cleveland, OH, USA]
 Automatic Target Machine Co. [New York, NY, USA]
1904 to 1905 (2 years)
 Automatic Towel Cabinet Co. [Detroit, MI, USA]
 Automatic Trading Co. [NY, USA]
 Automatic Venders, Inc. [Ashbury Park, NJ, USA]
 Automatic Vending Co.
 Automatic Weighing Lifting & Grip Machine Co. [Portland, ME, USA]
 Automaticos Catalanes, S.A.
 Automaticos Del Taxi
 Automaticos Valls
 Automaticos Videmur [Spain]
 Automatics Pasqual
1991 to 1995 (5 years)
 Automation
1989 to 1990 (2 years)
 Automatique DL [France]
 Automatiques Val [Paris, France]
 Automave Servicios, S.A.
 Autopop, Inc. [St. Paul, MN, USA]
 Autoreflex [Paris, France]
1934 to 1937 (4 years)
 Autosales Corp. [New York, NY, USA]
 Autosales Gum & Chocolate Co. [New York, NY, USA]
 Autosoft [China]
 Autovend Co. [Kansas City, MO, USA]
 Autronic Handels GmbH [Bremen, Germany]
 Autronica, S.A.
 Autumn Dreams
1997 to 1999 (3 years)
 Auvi
 Auxiliar Del Recreativo, S.A. [Spain]
 AV Artisan Corp.
 Avalon Hill Video Game Co., The [Baltimore, MD, USA]
1980 to 2012 (33 years)
 Avalon Soft.
 Avanquest Soft.
 Avant-Garde Publishing Corp.
1979 to 1986 (8 years)
 Avantage
 Avantime
 AVB Soft.
 AVC Soft.
 AVD Corp.
 AVE Micro Systems
1980 to 1984 (5 years)
 Avelar, Ed
 Avenco Corp.
 Avenir Amusement, Inc.
 Aventuras AD, S.A. [Spain]
1989 to 1992 (4 years)
 Aventuras AM [Spain]
 Aventuras Espanolas [Spain]
 Aventuriers des Etoiles, Les
 Averill, Sean
 Avery, Ltd., W. & T. [UK]
 Avery, Simon
 AVI [Amuse-Vend-Industries]
 AVIC Soft
1984 to 1988 (5 years)
 Aviva Soft.
 AVP Computing
 Avralite, Ltd.
1987 to 1988 (2 years)
 Avranches Automatic
 AVRO
 AVS [Amvic Services]
 AVSA [Paris, France]
 AW Corp.
 AWA Soft.
1983 to 1984 (2 years)
 Award Soft.
 Aware
 Awareness Productions
 AweSoft, Inc.
 Awesome
 Awesome Softworx, Inc.
1993 to 1995 (3 years)
 AWP Games [Italy]
 Axela
1997 to 2001 (5 years)
 Axelerate
 Axenon
1987 to 1989 (3 years)
 Axi
 Axicon
1998 to 1999 (2 years)
 Axiom Soft.
1990 to 1994 (5 years)
 Axion 1999
1988 to 1989 (2 years)
 Axis Soft.
1981 to 1983 (3 years)
 Axlon, Inc.
 Axxent Soft.
1987 to 1989 (3 years)
 Axxiom
 Ayashige-Soft [Japan]
 Ayer, Harry L. [Newton, MS, USA]
 Aylward, H. [UK]
 Aylworth, Charles
 Aypio [Japan]
1993 to 1996 (4 years)
 Ayza
2018 to 2019 (2 years)
 Azaleas Dolls
 Azartronic, SL
 Azcoyen Industrial S.A.
 Azcoyen Industrial, S.A.
 Azimut Soft
 Azkoyen
 Aztec Coin [UK]
 Aztec Soft.
1983 to 1985 (3 years)
 Aztech New Media Corp. [Canada]
 Azuma Dev.
 Azursoft [Sophia-Antipolis, France]
1988 to 1991 (4 years)