| 8-Bit Productions |
| ACT |
| ADC |
| AEG |
| AMPRO Computers |
| APF |
| AT&T |
| AVE Micro Systems |
| Acclaim |
| Acetronic |
| Acorn |
| Adobe |
| Advanced Computer Design |
| AlphaSmart |
| Alspa Computers |
| Altos Computer Systems |
| Amcoe |
| American Laser Games |
| Amstrad |
| Analogue |
| Apogee |
| Apple |
| Applied Technology |
| Applix |
| Aquaplus |
| Atari |
| Atlus |
| Aussie |
| BASF |
| BBC |
| BGR Computers |
| BNPO |
| Baiyi |
| Bally |
| Bandai |
| Banpresto |
| Benesse |
| Bernd Huebler |
| Bernd Huebler & Klaus-Peter Evert |
| Bit Corporation |
| Bondwell |
| Burroughs |
| CCE |
| COMX |
| Cadaco |
| Cambridge Computer |
| Camputers |
| Canon |
| Capcom |
| Casio |
| Casper |
| Century Electronics |
| Chafitz |
| China |
| Cinematronics |
| Coleco |
| Comad |
| Commodore |
| Compucolor |
| Compugraphic |
| Conchess |
| Conitec |
| Control Data Corporation |
| Convergent Technologies |
| Creatronic |
| Cybiko |
| DAI |
| DEC |
| Data Applications International |
| Data East |
| Dick Smith |
| Didact |
| Digilog |
| Digital Electronics |
| Dragon |
| Dragon Data |
| Dynabyte |
| Dynax |
| EACA |
| EC |
| EPSON |
| ETL |
| Elecbyte |
| Electronics Australia |
| Elektronika |
| Elektronska Industrija Nis |
| Emerson |
| Enterprex |
| Enterprise |
| Entex |
| Epoch |
| Epson |
| Ericsson |
| Excalibur |
| Exelvision |
| Exidy |
| Fairchild |
| Fairlight |
| Ferguson |
| Fidelity |
| Fisher-Price - Mattel |
| Front Fareast |
| Fuji |
| Fujitsu |
| Fukutake Publishing |
| Funtech |
| GCE |
| Gakken |
| Galaksija |
| GamePark |
| Generic |
| Gimix |
| Gottlieb |
| Gould |
| Grundy |
| Gundam |
| Handheld |
| Hanimex |
| Hartung |
| Hawthorne Technology |
| Hector |
| Hewlett-Packard |
| Hitachi |
| HomeLab |
| IBM |
| IGS |
| IMLAC Corporation |
| ITT |
| IVL Technologies |
| Incredible Technologies |
| Infocom |
| Intec |
| Interact |
| Intergraph |
| Interton |
| Irem |
| Itautec |
| Ithaca |
| JAKKS Pacific |
| JPM |
| Jaleco |
| Juku |
| JungleTac-KenSingTon |
| Jupiter Cantab |
| Kaneko |
| Kaypro |
| Keio University |
| Koei |
| Konami |
| Kontron |
| LSI |
| Lambda Electronics |
| LeapFrog |
| Luxor |
| Lviv |
| M&D |
| MEGA |
| MGT |
| MITS |
| MOS |
| MSX |
| Magnavox |
| Manfred Kramer |
| Matra Hachette |
| Matsushita |
| Mattel |
| Megatel |
| Memorex |
| Memotech |
| Mephisto |
| Michael J. Bauer |
| Microkey |
| Microsoft |
| Microtan |
| Midway |
| MikroMikko |
| Millennium Systems |
| Milton Bradley |
| Mindset Corporation |
| Mitchell |
| Mitsubishi |
| Mobile |
| Morrow |
| Motorola |
| Mr. Isizu |
| NCR |
| NEC |
| NMK |
| Namco |
| Namco-Sega-Nintendo |
| Nascom |
| Nichibutsu |
| Nintendo |
| Nokia |
| NorthStar |
| Nuclear Data |
| Nuova Elettronica |
| OCC |
| Oh! MZ |
| Ohio Scientific |
| Olivetti |
| Ondra |
| Otrona |
| PDC |
| PEL Varazdin |
| PTC |
| Palson |
| Panasonic |
| Patisonic |
| Peters Plus |
| Philips |
| Pioneer |
| Pravetz |
| Psikyo |
| Psion |
| Publications International Ltd |
| RCA |
| RM |
| ROLM |
| Radica |
| Radio-86RK |
| Raytheon |
| Regnecentralen |
| Retroleum |
| Robotron |
| Rockwell |
| Roland |
| Rowtron |
| SABA |
| SEGA |
| SGI |
| SME Systems |
| SNK |
| SSD |
| SSE |
| Sage |
| Saitek |
| Sammy |
| Samsung |
| Sanyo |
| Sega |
| Seibu Kaihatsu |
| SemiCom |
| Seta |
| Sharp |
| Siemens |
| Sinclair |
| Sony |
| Sord |
| Spectravideo |
| TAB-Austria |
| TRQ |
| Taikee |
| Taito |
| Takara |
| Tandberg |
| Tandy Radio Shack |
| Tangerine |
| Tapwave |
| Tatung |
| Technosys |
| Tecmo |
| Tektronix |
| Telcon |
| TeleVideo Systems |
| Telenova |
| Telmac |
| Terak |
| Tesla |
| Texas Instruments |
| Thomson |
| Tiger Electronics |
| Tiki Data |
| TimeTop |
| Timex Sinclair |
| Toaplan |
| Tomy |
| Torch |
| Toshiba |
| Touhou |
| Toyquest |
| Triumph-Adler |
| Tsukuda Original |
| UNIVAC |
| USSR |
| Unisonic |
| University of Cambridge |
| University of Tokyo |
| Uzebox |
| VEB Mikroelektronik |
| VM-Labs |
| VTech |
| Victor |
| VideoBrain |
| Videoton |
| Visco |
| Voltmace |
| Wang |
| Watara |
| WaveMate |
| Waveterm |
| WinFun |
| WoW |
| Xerox |
| Yamaha |
| Yeno |
| ZAPiT Games |
| Zeebo |
| Zen Studios |
| Zilog |
| funworld |
| iQue |