| Business | Phone |
| American Engine Installations 2865 N Tuttle Ave, Tucson 85705 | (520) 791-9100 |
| Checker Auto Parts 3030 W Valencia Rd, Tucson 85746 | (520) 883-7176 |
| Criss Engine & Machine Shop 3231 E Michigan St, Tucson 85714 | (520) 741-0302 |
| Desert Engines & Sales 850 E Ohio St, Tucson 85714 | (520) 889-4504 |
| Prestige Auto Parts & Machine 1063 E 36th St, Tucson 85713 | (520) 903-0595 |