| Business | Phone |
| Eli Knight Welding & Fab San Luis Obispo 93401 | (805) 782-9908 |
| Gentry Welding & Fabrication 3020 Mcmillan Ave, San Luis Obispo 93401 | (805) 544-4130 |
| Donald E Hedrick 3661 Sacramento Dr # 5, San Luis Obispo 93401 | (805) 541-0303 |
| Imperial Welding 261 Tank Farm Rd, San Luis Obispo 93401 | (805) 544-0444 |
| J & J Products 835 Capitolio Way, San Luis Obispo 93401 | (805) 544-4288 |
| Mike Vieira Welding 5044 Jespersen Rd, San Luis Obispo 93401 | (805) 541-3554 |
| Ratliff Welding Machine Shop 245 Higuera St, San Luis Obispo 93401 | (805) 543-5819 |
| Tartaglia Welding & Repair 968 Monterey St, San Luis Obispo 93401 | (805) 547-1678 |