| Business | Phone |
| A & R Engine Rebuilding 9800 Indiana Ave # 10, Riverside 92503 | (951) 509-0286 |
| Al's Complete Automotive Mach 10785 Hole Ave, Riverside 92505 | (951) 689-7713 |
| Arlington Machine 9718 Arlington Ave, Riverside 92503 | (951) 359-0710 |
| Auto Machine 6417 Jurupa Ave, Riverside 92504 | (951) 785-1251 |
| Cylinder Head Technologies 1710 Palmyrita Ave # 17, Riverside 92507 | (951) 684-9334 |
| Inland Rovers 10180 Hole Ave # 100, Riverside 92503 | (951) 354-5400 |
| Prc Engineering 8199 Mar Vista Ct, Riverside 92504 | (951) 509-5658 |
| Wayne's Garage 1710 Main St, Riverside 92501 | (951) 684-1111 |