(All Hail) Bob G. He has
THE LIST:
Arizona
Cave Creek, Gerald VonTietz
http://www.vontietzenhoffen.com
Builds and repairs basses
Phoenix, The String Shop of Arizona
480-829-8595
Repairs...
Scottsdale, Joel Shewchuck
480-797-8727
violin maker and luthier, repairs
Tucson, Tom Bielejec
520-881-2961
Repairs
Williams, Lou Carle, Gateway Music Corporation
520-635-9271
http://www.grandcanyontuberadio.com
Repairs
and if none of these work, you can probably just look for a violin guy. Seams come apart, it's not rocket science (though I wouldn't try to fix one myself).