| Business | Phone |
| Dana Marine Products 290 N Smith Ave, Corona 92880 | (951) 279-5005 |
| Friedl Performance Products 1651 Market St # B, Corona 92880 | (951) 898-3600 |
| National Certified Fabricators 1525 E 6th St, Corona 92879 | (951) 278-8992 |
| Pro Circuit Production 2388 Railroad St, Corona 92880 | (951) 734-3320 |
| Randall Steel Erectors 75 E Grand Blvd, Corona 92879 | (951) 735-0688 |
| Ogawa Enterprise 1441 Pomona Rd # 32, Corona 92882 | (951) 736-7729 |
| Red Hawk Weld Repair 4716 Golden Ridge Dr, Corona 92880 | (951) 735-6234 |
| Weldrite 8573 Rolling Hills Dr, Corona 92883 | (714) 692-3223 |