The following categories exist on the wiki, and may or may not be unused. Also see wanted categories.
- 1979 (1 member)
- 1980 (5 members)
- 1981 (3 members)
- 1982 (11 members)
- 1983 (7 members)
- 1984 (8 members)
- 1985 (14 members)
- 1986 (17 members)
- 1987 (23 members)
- 1988 (31 members)
- 1989 (38 members)
- 1990 (43 members)
- 1991 (27 members)
- 1992 (28 members)
- 1993 (17 members)
- 1994 (20 members)
- 1995 (19 members)
- 1996 (15 members)
- 1997 (2 members)
- 1998 (13 members)
- 1999 (6 members)
- 2000 (5 members)
- 2001 (1 member)
- 2002 (3 members)
- 2005 (1 member)
- 2009 (1 member)
- ABI Electronics (4 members)
- AMT (1 member)
- Aaron Giles (7 members)
- Ace' (18 members)
- Afega (1 member)
- Al Kossow (1 member)
- Allumer (1 member)
- AlxUnderBase (4 members)
- Amatic Trading (1 member)
- Amstar (1 member)
- Amstrad (1 member)
- Andreas (17 members)
- Andrew96 (7 members)
- Andrew Ivanov (2 members)
- Andrew Welburn (9 members)
- Apocalypse (61 members)
- Apple (76 members)
- Ar2r (1 member)
- Arcade (1,067 members)
- Arcadia (3 members)
- Artemio (2 members)
- Aston (1 member)
- Asure (6 members)
- Atari (30 members)