| Business | Phone |
| A T Parker Inc 10866 Chandler Blvd, North Hollywood 91601 | (323) 462-0806 |
| Associated Industries 11347 Vanowen St, North Hollywood 91605 | (818) 760-1000 |
| Curry Engineering Co 5655 Cahuenga Blvd, North Hollywood 91601 | (818) 761-8594 |
| Holland Industries 13215 Leadwell St, North Hollywood 91605 | (818) 765-4826 |
| Solar Electronics Co 10866 Chandler Blvd, North Hollywood 91601 | (818) 755-1700 |
| Vector Electronics & Technolog 11115 Vanowen St, North Hollywood 91605 | (818) 985-8208 |
| Rockies Inc 7040 Radford Ave, North Hollywood 91605 | (213) 386-1988 |
| Scytek Electronics 11627 Cantara St, North Hollywood 91605 | (818) 252-6678 |