CS since 99' right before the retail release, played until the LAST day of the WONID era..

Previous clans (Prior to Steam, CAL CS 1.5 & Before):
dFa. (season 3 CAL-o)
vMp (RGL-e)
anthraX (season 4 CAL-m)
CoD (season 4 CAL-o east finals main moveup)
fts- (was CoD) (season 5 CAL-m died)
PLAYBOY & Will over Skill (season 5&6 CAL-i)
d0f- (season 7 CAL-m finished season with Delta)
Delta [D] (season 7&8 CAL-m)
5th Edition [5e] (season 6 CAL-im west finals main moveup)
Riot Police [rp] (s4 CAL-d)

The Steam era:
Savants (season 16 CAL-m)
Rivid Gaming (Final season of CZ:CAL-m)