| Business | Phone |
| Harrington Metal Works 20117 Highway 108, Sonora 95370 | (209) 532-5043 |
| Holman Metal Works 13 Calaveras St, Sonora 95370 | (209) 588-9674 |
| Mdt Welding Sonora 95370 | (209) 588-9120 |
| Pro-Zap Welding & Manufacturer 18971 Industry Way, Sonora 95370 | (209) 532-5303 |
| Trotter Welding & Steel Supply 13165 Sanguinetti Rd, Sonora 95370 | (209) 532-3571 |
| West Weld 18000 Tinnin Rd, Sonora 95370 | (209) 532-4040 |