Bayshore Truck.....off Brokaw Rd, near the airport.
They normally do the BIG gearsets (18-wheeler 3rd Members and stuff like that) but they did a rear gear swap for me and seemed to really know what they were doing. Didn't even have a problem installing a used ring& pinion that I brought them.....labor was around $120, and would have been cheaper with NEW gears, because they probably could have gotten the shim thickness right with only ONE try instead of THREE.
Still a reasonable cost from what I've seen.... just don't have them build your driveshafts. Take that business to South Bay Driveline, or Jesse here on CK5 (High Angle Driveline)