Shops that can shorten a 8 3/4 in California

Hello there FABO

(I am sorry, I dont really know where the most appropraiate place is to post this thread so I am posting it in multiple forums)
I am serching for a reputable shop or person in California that is familar with and capable of cutting and shortening a E body 8 3/4 houseing and relocatingthe spring pearches to fit an A body. Any and all recomendations are welcome, I live in the Bay Area.

Thank You
Ethan