| Name | Types | |
|---|---|---|
| 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 |