I'll take a stab at it. A very poor stab, my memory just isn't what it used to be.

1) RD - Mr. Pink era, and then again with Mr Camo and Mr Yellow
2) RoCK - BB, Brian era
3) UCN - White Council time period under Klingon
4) HAN -We no retal 4 times. They fought the entire server alone and almost won.
5) LaF -post Grammy
6) SOL - AlMan to Les period
7) TGA - Digtek when they had the 1:Death retal policy, and could enforce it
8) RAGE -when they sported a few hundred members all set to fight at the drop of a hat.
9) EoS/Monks/IX - Same group of players with different alliance names
10) Omega - Very good politically Josie, Mentar.
11) LCN - because Assassin is Sexy.