Looking for chassis shops in central Jersey fixing chassis problem half ass back half
 

Picked up a 64 Chevy II roller needs the back-half and cage redone and I'm looking for chassis shops located in central Jersey or somebody who can do that and what price am I looking at? previous owner had somebody do the chassis I don't like the way the cross member and rear frame sections were welded. parts of the frame look crooked/ not square on the outriggers. What would be a round about cost to fix this? only the cage a frame rails will need to be put in. I will be doing the tin work. I have an old's rear in the car as of now.