| Business | Phone |
| Alco Metal Fab 3400 W Castor St, Santa Ana 92704 | (714) 556-6060 |
| Chapman Engineering 2321 Cape Cod Way, Santa Ana 92703 | (714) 542-1942 |
| Fabrication Concepts Corp 1800 E Saint Andrew Pl, Santa Ana 92705 | (714) 881-2000 |
| Tardif Sheet Metal & Air Cond 412 N Santa Fe St, Santa Ana 92701 | (714) 547-7135 |