| Business | Phone |
| Esco Precision Machining 214 S 9th Ave, City Of Industry 91746 | (626) 330-1809 |
| M G Engineering 17251 Chestnut St, City Of Industry 91748 | (626) 913-1562 |
| Turnham Corp 15312 Proctor Ave, City Of Industry 91745 | (626) 330-0415 |
| Pacific Flo Rite Inc 1214 John Reed Ct, City Of Industry 91745 | (626) 369-9911 |
| Micro Swiss Machine Products 133 S 9th Ave # D, City Of Industry 91746 | (626) 336-5623 |
| Nelson Machine Co 15470 Valley Blvd, City Of Industry 91746 | (626) 330-5610 |