A
- Above the Law [1990–1992]; WHQ BBS for INC
- Absolute Revolt [1990]; BBS for FirM
C
- The Crack in Time [1990–1994]; BBS for THG
D
- Dark Domain [1988–1991]; BBS for INC
E
- The Evil Palace [1990–1992]; BBS for PE
F
- FiRM [1989–1991, 1992, 1994]; group
H
- The Humble Guys (THG) [1990–1994]; group
I
- International Network of Crackers (INC) [1989–1994, 1996]; group
L
- Line Noise [1990]; sysop Star Frontiers; founder INC
N
- New York Crackers (NYC) [1989–1990]; group
- Nuclear Wasteland [1990]; BBS for INC
O
- The Oxidizer [1990]; sysop Nuclear Wasteland; member INC
P
- Public Enemy (PE) [1990–1993]; group
S
- Star Frontiers [1990]; WHQ BBS for INC
T
- Time Lord [1990]; sysop Time Pirates II; member INC
- Time Pirates II [1990]; BBS for INC