| Business | Phone |
| Balfab Manufacturing Co Inc 20680 Nordhoff St, Chatsworth 91311 | (818) 998-8853 |
| Custom Metal Products Inc 9640 Topanga Canyon Pl # G, Chatsworth 91311 | (818) 718-6792 |
| K-Brothers Industries Inc 9160 Deering Ave, Chatsworth 91311 | (818) 886-1191 |
| Quality Fabrication Inc 9631 Irondale Ave, Chatsworth 91311 | (818) 709-8505 |
| State Sheet Metal 9614 Cozycroft Ave # B, Chatsworth 91311 | (818) 709-5774 |
| Alliance Metal Products 20620 Superior St # 4, Chatsworth 91311 | (818) 709-1204 |
| Design Tech Industries Inc 9737 Variel Ave, Chatsworth 91311 | (818) 709-6810 |
| Shoreline Sheet Metal 9601 Owensmouth Ave, Chatsworth 91311 | (818) 349-2335 |