| Business | Phone |
| Riolo Racing Engines Roseville 95747 | (916) 771-0752 |
| Motor Sport Image 812 Atlantic St # A, Roseville 95678 | (916) 784-2323 |
| Naake Motorsports Suspension 2300 Central Ave, Roseville 95747 | (916) 771-0109 |
| Watercooled.Com 124 Nevada Ave, Roseville 95678 | (916) 781-3876 |