| Business | Phone |
| Mechtric Engineering Inc 5317 County Road 154, Glenwood Springs 81601 | (970) 384-2009 |
| Huyser Engineering Svc Inc 826 1/2 Grand Ave, Glenwood Springs 81601 | (970) 945-4987 |
| Kopf & Kopf Electrical Engrng 6811 County Road 117, Glenwood Springs 81601 | (970) 945-5576 |