| Business | Phone |
| Altamont Technical Svc 484 Lindbergh Ave, Livermore 94551 | (925) 294-9774 |
| Eaton Cutler-Hammer 2637 Collier Canyon Rd, Livermore 94551 | (925) 454-3700 |
| Last Factory 2015 Research Dr, Livermore 94550 | (925) 449-9449 |
| Quail Electronics 2171 Research Dr, Livermore 94550 | (925) 373-6700 |