| Business | Phone |
| Bernic Screw Products 8765 Bradley Ave, Sun Valley 91352 | (323) 875-1216 |
| M C Machine Products 8988 Glenoaks Blvd, Sun Valley 91352 | (818) 768-2857 |
| Matchie Precision 11750 Roscoe Blvd # 8, Sun Valley 91352 | (818) 768-3717 |
| S & R Screw Machine Prods Inc 11754 Roscoe Blvd # 1-2, Sun Valley 91352 | (818) 504-6388 |
| West Coast Manufacturer Co 8978 Glenoaks Blvd, Sun Valley 91352 | (818) 767-3730 |