| Business | Phone |
| New Breed Sheetmetal 1009 Brooks St, Ontario 91762 | (909) 391-6429 |
| Empire Sheet Metal 1215 S Bon View Ave, Ontario 91761 | (909) 923-2927 |
| United Sheetmetal Inc 1801 Excise Ave, Ontario 91761 | (909) 605-1632 |
| West Coast Sheet Metal 1999 S Campus Ave, Ontario 91761 | (909) 930-0055 |
| West Coast Sheet Metal 689 E Maitland St, Ontario 91761 | (909) 930-0055 |