| ACES Studios | Developer | |
| ACGodliman | Developer | |
| ACID.Games | Developer | |
| ACIDATM | Developer | |
| ACMI.ScreenIt | Developer | |
| ACOT | Developer | |
| ACRO Studio | Developer | |
| ACTION MEDIAS JEUNES | Developer | |
| ACTIONSQUARE | DeveloperPublisher | |
| ACat | Developer | |
| ACooper | Developer | |
| ACsplash | Developer | |
| AD1Crazy | Developer | |
| ADE | Developer | |
| ADI Development | Developer | |
| ADIS1 | Developer | |
| ADITYA ⋈ SAH | Developer | |
| ADK | DeveloperPublisher | |
| ADM | DeveloperPublisher | |
| ADiggins | Developer | |
| ADvertainment Software | Developer | |
| AEC Software | Publisher | |
| AECRNIA | Developer | |
| AESO | Developer | |
| AETuts | Developer | |
| AEtharr | Developer | |
| AFTERLIFE | Developer | |
| AG Corp. | Developer | |
| AG Dev | Developer | |
| AGAR | Developer | |
| AGEOD | DeveloperPublisher | |
| AGGROCRAB | Developer | |
| AGGStudios | Developer | |
| AGGroAzteca | Developer | |
| AGI | Publisher | |
| AGL Studios | Developer | |
| AGPX | Developer | |
| AGZA13th | Developer | |
| AGamerAaron | Developer | |
| AGsilverAG | Developer | |
| AHAKuo | Developer | |
| AI | Developer | |
| AI Factory | DeveloperPublisher | |
| AIA | DeveloperPublisher | |
| AIA Games | Publisher | |
| AIA USA | Publisher | |
| AIC Spirits | Developer | |
| AIE Seattle | Developer | |
| AIL | DeveloperPublisher | |
| AIM | Developer | |
| AIOUS Production | Developer | |
| AJ | Developer | |
| AJ Ordaz | Developer | |
| AJ Project | Developer | |
| AJ08Coder | Developer | |
| AJB GAMES STUDIO | Developer | |
| AJJMCC | Developer | |
| AJOmega | Developer | |
| AJS Game Dev | Developer | |
| AK | Developer | |
| AK CommunicationsKO | Publisher | |
| AK Games | Publisher | |
| AKA Acclaim | Publisher | |
| AKAR | Developer | |
| AKARI | Developer | |
| AKI | DeveloperPublisher | |
| AKI Corp. | Developer | |
| AKI Corporation | Developer | |
| AKI Corporation USA | Developer | |
| AK_54 | Developer | |
| ALAKON | Developer | |
| ALAMURIT | Developer | |
| ALBERTITO44 | Developer | |
| ALBUS203 | Developer | |
| ALCHEMYGAMEWORKS | Developer | |
| ALFXogo | Developer | |
| ALGEBRU | Developer | |
| ALK (anything little known) | Developer | |
| ALL IN! GAMES | Publisher | |
| ALLIE CAT GAMES | Developer | |
| ALMI Games | Developer | |
| ALTAR Interactive | Developer | |
| ALU | Developer | |
| ALcot | Developer | |
| ALiNaX | Developer | |
| ALostRabbit | Developer | |
| AM EDucated VEGtable | Developer | |
| AM Factory | Publisher | |
| AM R&D Dept. #2 | Developer | |
| AM R&D Dept.#2 | Developer | |
| AM1 | Developer | |
| AM5 | Developer | |
| AM7 | Developer | |
| AMA Studios | Developer | |
| AMATERAS | Developer | |
| AMAXANG GAMES | Developer | |
| AMBU5H | Developer | |
| AMC Soft | Publisher | |
| AMET GAMES | Developer | |
| AMI | Publisher | |