| Business | Phone |
| Black Gold Pump & Supply Inc 2459 Lewis Ave, Signal Hill 90755 | (562) 595-4475 |
| Hawks Equipment Repair 2675 Raymond Ave, Signal Hill 90755 | (562) 595-7323 |
| Tiger Cased Hole Svc 2625 Dawson Ave, Signal Hill 90755 | (562) 426-4044 |
| Mts Stimulation Svc Inc 1215 E 29th St, Signal Hill 90755 | (562) 981-7775 |
| R & T Pacific Assoc 2750 Walnut Ave, Signal Hill 90755 | (562) 595-4432 |
| Schlumberger Well Svc 1350 E Burnett St, Signal Hill 90755 | (562) 426-3329 |