Revolution incoming (ReVo)
Proffessonal team pvp guild (Tpvp)
I think those 2 are the biggest casual pvp guilds, +100 members. Check the looking for team subforum for their threads on who to pm.
Oh forgot, those are on EU. You gotta write your region (maybe also rough average on ladder placement so ppl know what youre best looking for). gl
PvP guild [YUM] -apply- (EU) http://muffinspvp.shivtr.com/