| Business | Phone |
| Baker Precision Bearings 2865 Gundry Ave, Signal Hill 90755 | (562) 427-2375 |
| Access Motors 2667 E 28th St, Signal Hill 90755 | (562) 424-3511 |
| Desert Specialties 1711 E 28th St, Signal Hill 90755 | (562) 989-5700 |
| Reath Automotive 1430 E 28th St, Signal Hill 90755 | (562) 426-6901 |
| Rick Kemph Cylinder Heads 1900 E 27th St # 104, Signal Hill 90755 | (562) 988-7759 |
| Twins Turbo 2700 Rose Ave, Signal Hill 90755 | (562) 988-0617 |