| Business | Phone |
| Advanced Cnc Machine 19431 Village Dr # A, Sonora 95370 | (209) 532-7108 |
| Bettanini's Custom Manufacturer 19880 Highway 108, Sonora 95370 | (209) 532-0080 |
| Blr Machining 14216 Tuolumne Rd, Sonora 95370 | (209) 533-8817 |
| Burhoe Machine 16928 Crestview Dr, Sonora 95370 | (209) 533-1231 |
| D & S Machining 20995 Longeway Rd, Sonora 95370 | (209) 536-1628 |
| Eaton Manufacturing 9 Calaveras St, Sonora 95370 | (209) 533-3498 |
| Hitchman Enterprises Inc 18990 Industry Way, Sonora 95370 | (209) 533-9435 |
| Industrial Machining Co 22555 Sawmill Flat Rd, Sonora 95370 | (209) 532-0855 |
| Krogness Machine 14384 Cuesta Ct, Sonora 95370 | (209) 533-1077 |
| Larry Copello Inc 19501 Village Dr, Sonora 95370 | (209) 532-1238 |
| Mmi 20555 N Sunshine Rd, Sonora 95370 | (209) 533-1033 |
| Nova Engineering 21105 Longeway Rd # C, Sonora 95370 | (209) 533-1375 |
| Paramount Precision 14397 Cuesta Ct, Sonora 95370 | (209) 588-8212 |
| Qualtec Inc 20738 Longeway Rd, Sonora 95370 | (209) 532-1493 |
| R H Machine 2051 N Sunshine Rd, Sonora 95370 | (209) 533-9280 |
| Richard Hamilton Engine Svc 14396 Tuolumne Rd, Sonora 95370 | (209) 533-0336 |
| Sharon Precision Maching Inc 19506 Industrial Dr # B, Sonora 95370 | (209) 532-1795 |
| Sierra Love Enterprises 14388 Tuolumne Rd, Sonora 95370 | (209) 533-1998 |
| Thomason Precision 18990 Industry Way # A, Sonora 95370 | (209) 533-1477 |