Looking to repair smashed in passenger door and quarter panel. I'm in central NJ near whitehouse. Hoping to find a shop to work with my insurance.

 

All licensed body shops work with all insurance company's.

 

Two approaches. One is if there are any high end dealerships (Ferrari, Rolls Royce, etc.) in your area they likely won't have a body shop because of the small volume they deal in. However, they occasionally have a need for body work to be done and they can refer you to the best.

Option 2 is ask your insurance agent. More than any one else he knows from experiences with insured repairs in the past who the better shops are.