| Business | Phone |
| Creative Engineering Group 7123 Remmet Ave, Canoga Park 91303 | (818) 999-0415 |
| Ferrum Engineering Inc 7745 Alabama Ave # 14, Canoga Park 91304 | (818) 348-7243 |
| Burden Associates 20944 Sherman Way, Canoga Park 91303 | (818) 340-4590 |
| Ied Inc 22222 Sherman Way # 103, Canoga Park 91303 | (818) 346-9929 |