| Business | Phone |
| Thermoptics Inc 1004 Mallory Way, Carson City 89701 | (775) 882-7721 |
| Circuit Functions Inc 2282 Mouton Dr, Carson City 89706 | (775) 885-8003 |
| Sierra Control Systems 940 Mallory Way, Carson City 89701 | (775) 883-0443 |
| Countis Industries 2670 Lockheed Way, Carson City 89706 | (775) 882-6123 |