i think i have all the group members. the brother hood steal grocery shopper lady. the casidy carovan owner who killes the silver rush. the lonely research doctor in the childere of apocolips. the broken Eye bot. the ciber dog. and the female mutant named lily. are these all of them? where is the walk through for these?

God... Just type in fallout new vegas companion guide on google. You are missing out a couple.

Good luck.

What about Raul?

Here: http://fallout.wikia.com/wiki/Fallout:_New_Vegas_companions Check that.