| Business | Phone |
| American Portable Welding 3329 Baumberg Ave, Hayward 94545 | (510) 887-4279 |
| Bogue's Welding Svc 2111 National Ave, Hayward 94545 | (510) 783-3125 |
| Ccr Hi-Vacuum Welding 2092 American Ave, Hayward 94545 | (510) 782-5033 |
| Ferguson Welding Svc 30050 Industrial Pkwy Sw, Hayward 94544 | (510) 487-5906 |
| Lasier Beam Technology 23376 Connecticut St, Hayward 94545 | (510) 887-1603 |
| Magna Fab 23708 Stratton Ct, Hayward 94541 | (510) 582-6552 |
| Pacific Welding & Machine 22962 Clawiter Rd # 6, Hayward 94545 | (510) 783-2300 |
| Patriot Racing 727 Industrial Pkwy W, Hayward 94544 | (510) 583-5183 |
| Professional Welding & Trailor 29316 Mission Blvd, Hayward 94544 | (510) 581-1545 |
| Shrader Vacuum Svc 27365 Industrial Blvd, Hayward 94545 | (510) 784-0831 |
| Weldmasters Hayward 94541 | (510) 247-9000 |