| name | games | status | region | founded | closed | activity | |
|---|
| 10 out of 10 Educational Systems |
5 | | | | | 1993/1994 | |
| 4Mation |
4 | | UK | | | 1983/1989 | |
| 8bits Fanatics |
5 | | | | | 2012/2014 | |
| Able |
5 | active | JP | 1986 | | 1986/2004 | http://www.able-corp.com/ |
| Accent Publications |
10 | | | | | 1983/1984 | |
| Adeline Software International |
9 | dead | FR | 1993 | 2004 | 1994/2002 | Subsidiary of Delphine Software. |
| Advance Communication Company |
20 | | JP | | | 1987/1993 | |
| Adventure International |
338 | dead | USA | 1979 | 1985 | 1978/1990 * | Founded by Scott Adams in 1979, went bankrupt in 1985. |
| Aicom |
19 | dead | JP | 1989 | 1996 | 1988/2015 * | |
| Aki Corporation |
11 | | | | | 1996/2009 | |
| Aladdin Automation |
1 | | US | | | 1979/1979 | |
| Alphabatim |
2 | | | | | 1985/1985 | |
| AlphaDream |
13 | dead | JP | 2000 | 2019 | 2001/2018 | Japanese video game development company founded in 2000 by Tetsuo Mizuno in Tokyo … |
| Altair Software Distribution Company |
4 | name changed | US | 1969 | 1977 | 1975/1976 | Micro Instrumentation and Telemetry Systems (MITS) was an American electronics company … |
| Alternative Software |
285 | active | UK | 1985 | | 1983/2014 * | |
| American Educational Computer |
18 | | | | | 1982/1988 | |
| Animation F/X |
2 | | AU | | | 1992/1994 | |
| Animation Magic |
8 | | | | | 1993/1999 | |
| Applications Software Specialities |
5 | | | | | 1983/1984 | |
| Argus Press Software |
79 | dead | UK | 1966 | 1987 | 1980/1990 | 80's computer games developer. |
| Arizona Automation |
1 | name changed | US | 1969 | 1974 | 1973/1973 | They were originally called Arizona Automation from 1969 to 1973 and then changed … |
| Armati |
2 | | | | | 1985/1985 | |
| Artematica Entertainment |
17 | active | IT | 1996 | | 2001/2009 | |
| ASC Games |
29 | dead | US | 1992 | 2000 | 1991/2004 * | |
| ASCII |
349 | bought | JP | 1977 | 2008 | 1981/2011 | ASCII Corporation was a publishing company based in Tokyo, Japan. It became a subsidiary … |
| Astar International |
5 | | | | | 1979/1982 | Hardware: Octa Stick II - Astar International http://www.atarimagazines.com/cva … |
| Astonishing Animations |
2 | | | | | 1991/1991 | |
| Atom Mobile Applications |
1 | | UK | | | | |
| Avant-Garde Creations |
36 | | US | | | 1980/1985 | |
| Bailey International |
1 | dead | US | 1974 | 1976 | 1974/1974 | |
| Beam Software |
191 | dead | AU | 1980 | 2000 | 1981/1999 | Founded as subsidiary of Melbourne House in 1980, by Alfred Milgrom and Naomi Besen … |
| Big Fat Simulations |
5 | | | | | 2015/2015 | |
| Bit Corp |
34 | | TW | | | 1981/1991 | Bit Corporation was a Taiwanese game developer and console manufacturer. Bit … |
| BitMango |
| | | | | | |
| Bits Corporation |
21 | | | | | 1980/2016 | |
| Bizarre Creations |
33 | bought | UK | 1994 | 2010 | 1991/2010 * | Owned by Vivendi |
| Blitter Animations |
1 | | | | | 1987/1987 | |
| Bolt Creative |
35 | | | | | 2009/2015 | |
| Bonsai Interactive Corporation |
2 | | | | | 1999/2001 | |
| Boone Corporation |
2 | | US | | | 1983/1983 | |
| Boston Animation |
2 | | | | | 2002/2002 | |
| Brookhaven National Laboratory |
1 | nomoregames | US | 1947 | | 1958/1958 | Brookhaven National Laboratory (BNL) is a United States Department of Energy national … |
| Brunswick |
2 | nomoregames | US | 1845 | | 1974/2007 | Brunswick Corporation, formerly known as the Brunswick-Balke-Collender Company, … |
| BSX International |
10 | | | | | 1988/1991 | |
| Budcat Creations |
11 | | | | | 2002/2011 | |
| BUG International |
2 | | | | | 1993/1993 | |
| Burut |
10 | active | RU | | | 2001/2011 | Website: http://www.burut.ru |
| C.E.C. |
13 | | AU | | | 1982/1982 | Computer Education Centre of the Educational Department of Victoria, Australia |
| Callisto Corporation |
5 | | | | | 1992/1995 | |
| CCS |
114 | | UK | 1982 | 1992 | 1982/1993 | Cases Computer Simulations |
