Can someone recommend a shop for tranny swap?

[Shin_Kudo]

I need to have my tranny swap (auto-5spd) (I'd try it myself, but I have neither the knowledge, the tools, the location, or the manpower to do it) done, and my usual mechanic isn't sure if he can do it. Can anyone recommend a good shop in the LA area who would be experienced with this and who could do it relatively quicky? ( I know people have done it in an afternoon with some stands and a six-pack of bud, so I'd imagine a real mechanic with a full shop could do it pretty fast easily)