| Business | Phone |
| Kern Sheet Metal 2070 W Key St # D, Colton 92324 | (951) 683-4831 |
| Aero Tech Sheet Metal 897 Via Lata # M, Colton 92324 | (909) 433-9698 |
| Pacific Stainless 294 W Olive St, Colton 92324 | (909) 370-1730 |
| Skyline Sheet Metal 1696 W Mill St # 19, Colton 92324 | (909) 885-5737 |