| Business | Phone |
| Anzon Co 12326 Denholm Dr, El Monte 91732 | (626) 443-8861 |
| Fay & Quartermaine Machining 2745 Seaman Ave, El Monte 91733 | (626) 579-3829 |
| Liberty Industries 10754 Lower Azusa Rd, El Monte 91731 | (626) 575-3206 |
| Msi 2210 Chico Ave, El Monte 91733 | (323) 283-0954 |
| Ideal Machining & Supply 2537 Tyler Ave, El Monte 91733 | (626) 444-7026 |
| Pacific Atlas Engineering Co 2030 Seaman Ave, El Monte 91733 | (626) 448-4015 |
| Precision Machine Products Inc 2609 Seaman Ave, El Monte 91733 | (626) 575-3798 |
| American Quality Manufacturer 11689 Mcbean Dr, El Monte 91732 | (626) 452-8562 |
| Jrd Screw Machines 11652 Mcbean Dr, El Monte 91732 | (626) 279-2855 |
| P & L Machine Shop 11626 Mcbean Dr, El Monte 91732 | (626) 575-4550 |
| Rqs Precision Inc 11664 Mcbean Dr, El Monte 91732 | (626) 582-4740 |
| Seven Star Engineering Inc 11632 Mcbean Dr, El Monte 91732 | (626) 350-3057 |
| Vien Machine Shop 2635 1/2 Durfee Ave, El Monte 91732 | (626) 444-1810 |