| Business | Phone |
| Instrutech' Inc 1140 Boston Ave, Longmont 80501 | (303) 774-9129 |
| Operator Interface Technology 650 Weaver Park Rd # B, Longmont 80501 | (303) 684-0094 |
| Precisionworks Manufacturing 1336 Sherman Dr, Longmont 80501 | (303) 772-8100 |
| Qsc Systems 634 S Sunset St, Longmont 80501 | (303) 651-7786 |
| Reliant Manufacturing 455 Weaver Park Rd, Longmont 80501 | (303) 682-1000 |