| Business | Phone |
| American Bolt & Screw 601 Kettering Dr, Ontario 91761 | (909) 390-0522 |
| Crown Air-Bethleham Fasteners 1486 E Cedar St, Ontario 91761 | (714) 522-6287 |
| Dean Lewis Assoc 1920 S Archibald Ave # C, Ontario 91761 | (909) 923-9449 |
| Index Fasteners Co 945 E Grevillea Ct, Ontario 91761 | (909) 923-5002 |
| K G Nuts Bolts & Supply Co 2125 S Hellman Ave, Ontario 91761 | (909) 923-4627 |
| Quality Fasteners 5642 W Mission Blvd, Ontario 91762 | (909) 460-7194 |
| United Fastener & Supply 4201 Santa Ana St # D, Ontario 91761 | (909) 390-8800 |