| Business | Phone |
| Alger Manufacturing Co Inc 724 S Bon View Ave, Ontario 91761 | (909) 986-4591 |
| Dawco Products Manufacturer Sales 1140 E Locust St, Ontario 91761 | (909) 947-0099 |
| Glenco Manufacturing 716 S Bon View Ave, Ontario 91761 | (909) 984-3348 |
| Goe Engineering Co 1425 S Vineyard Ave, Ontario 91761 | (909) 673-1352 |
| Great Western Bolt & Screw Inc 2313 E Philadelphia St # P, Ontario 91761 | (909) 923-8555 |