| Business | Phone |
| Aero-Electrical Products 9800 Topanga Canyon Blvd # D, Chatsworth 91311 | (818) 899-8621 |
| Nea Electronic Inc 9259 Eton Ave, Chatsworth 91311 | (818) 998-5788 |
| Nea Electronic Inc 9204 Deering Ave, Chatsworth 91311 | (818) 998-5788 |
| Pentacon Aerospace Group Inc 9216 Eton Ave, Chatsworth 91311 | (818) 773-5400 |