| Business | Phone |
| Howland Electric Wholesale Co 2806 Tyler Ave, El Monte 91733 | (626) 444-0503 |
| Mitsubishi Electric Power Prod 11100 Valley Blvd # 340-22, El Monte 91731 | (626) 442-2340 |
| Bestron Industries Inc 11137 Rush St # K, El Monte 91733 | (626) 279-1180 |