The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
(first | last) View (previous 50 | next 50) (20 | 50 | 100 | 250 | 500)- .Gears Studios (1 member)
- 07th Expansion (1 member)
- 13AM Games (1 member)
- 2D Boy (1 member)
- 2K (3 members)
- 2K Games (1 member)
- 3909 LLC (1 member)
- 505 Games (4 members)
- 5pb (1 member)
- 5th Cell (3 members)
- ABC (76 members)
- ADK (5 members)
- AMC (3 members)
- ANYCOLOR Inc. (1 member)
- ASCII Media Works (10 members)
- AT&T (3 members)
- Aardman (5 members)
- Aardvark-Vanaheim Inc. (1 member)
- Aaron McGruder (1 member)
- Acclaim (6 members)
- Accolade (1 member)
- Activision (16 members)
- Adult Swim (11 members)
- Advance Magazine Publishers Inc. (1 member)
- Aflac (1 member)
- Aiming (1 member)
- Aircel Comics (1 member)
- Airtight Games (1 member)
- Akita Shoten (4 members)
- Akuma Kira (1 member)
- Alchemist (1 member)
- Alfa System (1 member)
- Alfred A. Knof (1 member)
- Alfred A. Knopf, Inc. (1 member)
- Alias Enterprises LLC. (1 member)
- Allen & Unwin (1 member)
- Allstate (2 members)
- Amanita Design (2 members)
- Amazon (3 members)
- Amblin Entertainment (9 members)
- American Game Cartridges (1 member)
- American Greetings (2 members)
- American International Pictures (1 member)
- American Softworks (1 member)
- Amulet Books (1 member)
- Anchor Bay (1 member)
- Anchor Bay Entertainment (1 member)
- Andev (1 member)
- Andrews-McMeel (1 member)
- Angry Mob Games (1 member)