| Business | Phone |
| Hall's Auto Parts 13227 San Antonio Dr, Norwalk 90650 | (562) 868-9974 |
| L & M Precision Grinding Co 13544 Pumice St, Norwalk 90650 | (562) 926-6605 |
| Master Research & Manufacturer Inc 13528 Pumice St, Norwalk 90650 | (562) 483-8789 |
| Ace Davenport 13540 Pumice St, Norwalk 90650 | (562) 921-9550 |
| Azarian Precision Machining 13020 Tom White Way # A, Norwalk 90650 | (562) 921-5347 |
| Barajas Machine Shop 13040 Tom White Way, Norwalk 90650 | (562) 926-6856 |
| Harout General Machining Co 13900 Shoemaker Ave # B, Norwalk 90650 | (562) 926-0911 |
| Lipomax Manufacturing 13055 Tom White Way, Norwalk 90650 | (562) 623-9364 |
| Lomeli's Precision 13060 Tom White Way # F, Norwalk 90650 | (562) 802-8095 |
| R & D Engineering & Machining 11830 1/2 Alondra Blvd, Norwalk 90650 | (562) 483-7353 |
| Salas Machine Tools 13537 Excelsior Dr, Norwalk 90650 | (562) 404-1733 |
| Service Manufacturing 14509 Best Ave, Norwalk 90650 | (562) 407-5151 |
| Techno Engineering 13528 Pumice St, Norwalk 90650 | (562) 623-4517 |
| Tom's Machining Svc 13045 Tom White Way # F, Norwalk 90650 | (562) 926-7184 |