| Business | Phone |
| Advanced Foil Systems 820 S Rockefeller Ave # A, Ontario 91761 | (909) 390-5125 |
| La Bruna Industries Inc 2009 S Parco Ave, Ontario 91761 | (909) 947-0042 |
| Crown Building Materials 5700 E Airport Dr, Ontario 91761 | (909) 937-3435 |
| Pittcon Industries 2090 Del Rio Way # B, Ontario 91761 | (909) 773-0001 |
| Superior Window Products 1650 S Archibald Ave, Ontario 91761 | (909) 930-1821 |