| Baker Oil Tools Inc | 619-355-2828 | 220 E Barioni Blvd | Imperial | CA | 92251 |
| Culver Arthur M | 619-224-2784 | 1150 Anchorage Ln | San Diego | CA | 92106 |
| Halliburton Services | 619-353-2710 | 801 S 2nd St | El Centro | CA | 92243 |
| Hannifin Patrick J | 619-436-3691 | 515 Encinitas Blvd | Encinitas | CA | 92024 |
| Mobil Oil | 619-486-9466 | 14863 Pomerado Rd | Poway | CA | 92064 |
| Nikolaus Transportation Inc | 619-873-4206 | Five Bridges Rd | Bishop | CA | 93515 |
| Saul Jim Oil Properties | 619-771-5111 | 57136 Merion | La Quinta | CA | 92253 |
| Us Field Services Network | 619-773-9535 | 73956 Krug Ave | Palm Desert | CA | 92260 |
| Weatherford U S Inc | 619-344-7550 | 1509 River Dr | Brawley | CA | 92227 |
| Western Field Services Inc | 619-748-8701 | 13230 Evening Creek Dr S | San Diego | CA | 92128 |
