| Business | Phone |
| C A Rasmussen Inc 2360 Shasta Way, Simi Valley 93065 | (805) 527-9330 |
| Ehline Co 2759 Avenida Simi, Simi Valley 93065 | (805) 579-9725 |
| Elotek Systems Simi Valley 93065 | (805) 526-1179 |
| Flight Engineering 90 W Easy St # 6, Simi Valley 93065 | (805) 583-8655 |
| Frontier Construction Inc 2470 Stearns St # 311, Simi Valley 93063 | (805) 581-4436 |
| Martroinc Engineering Inc 80 W Easy St, Simi Valley 93065 | (805) 583-5364 |
| Pacific Rim Grading 707 Running Creek Ct, Simi Valley 93065 | (805) 584-9470 |
| Radich Construction Inc 4680 E Los Angeles Ave # O, Simi Valley 93063 | (805) 584-9697 |
| Secc Corp 900 W Los Angeles Ave, Simi Valley 93065 | (805) 578-3596 |
| Southern Ca Siteworks 4496 Industrial St, Simi Valley 93063 | (805) 581-5388 |