| Business | Phone |
| A C Custom Duct 10925 Goss St, Sun Valley 91352 | (818) 767-5534 |
| Air Transport Manufacturer Co 11636 Pendleton St, Sun Valley 91352 | (818) 504-3300 |
| Tee-N-Jay Manufacturer 9145 Glenoaks Blvd, Sun Valley 91352 | (818) 504-2961 |
| Utility Sheet Metal 11324 Tuxford St, Sun Valley 91352 | (818) 983-1654 |
| Wallace Engineering Co 11351 Penrose St, Sun Valley 91352 | (818) 983-1894 |
| Dan's Sheet Metal 11142 Fleetwood St, Sun Valley 91352 | (818) 771-0711 |
| Empire Manufacturing Co 11003 Penrose St, Sun Valley 91352 | (818) 768-7881 |
| I J Production 9360 San Fernando Rd, Sun Valley 91352 | (818) 252-0985 |
| L C Sheetmetal 11134 Arminta St # 205, Sun Valley 91352 | (818) 399-3063 |
| Micro Tech Fabrication 7532 Clybourn Ave, Sun Valley 91352 | (818) 768-1775 |
| Patriot Sheet Metal 11841 Sheldon St, Sun Valley 91352 | (818) 504-6942 |
| Roscoe Sheet Metal Works 8508 San Fernando Rd, Sun Valley 91352 | (818) 767-7440 |