| Business | Phone |
| Cambridge Technology Inc 297c Grass Valley Hwy, Auburn 95603 | (530) 886-8262 |
| Messenger Cnctr Accessories 4540 Chris Ln, Auburn 95602 | (530) 823-7211 |
| Nordic Tracers Inc 1432 Tanoak Way, Auburn 95603 | (530) 889-2462 |
| Rpg Electronics Inc 2940 Campbell Dr, Auburn 95602 | (530) 878-0470 |