| Business | Phone |
| Arizona Crankshaft Inc 5004 E 22nd St, Tucson 85711 | (520) 790-4688 |
| Baker's Auto Machine Llc 15 W Ajo Way, Tucson 85713 | (520) 746-3434 |
| Doc's Engine & Machine 2511 S Craycroft Rd, Tucson 85711 | (520) 790-0440 |
| Eastside Engine Specialties 3241 E Columbia St, Tucson 85714 | (520) 746-1311 |
| Tucson Cylinder Head Svc 2114 N Stone Ave, Tucson 85705 | (520) 624-7711 |
| Southwest Engine Rebuilders 3652 S 6th Ave, Tucson 85713 | (520) 620-6355 |
| P O Machine 1910 W Price St, Tucson 85705 | (520) 888-4010 |
| Moseman's Auto Machine 4020 E Speedway Blvd, Tucson 85712 | (520) 881-0461 |
| Larry's Engine & Marine 600 W Lester St, Tucson 85705 | (520) 623-5373 |