| Company Name | City | License |
|---|---|---|
| Western Interstate Construction | Missoula | |
| Sirius Construction, Inc | Missoula | |
| Martel Construction, Inc | Bozeman | |
| Swank Enterprises | Kalispell | |
| Riverside Contracting | Missoula | |
| Morrison-Maierle, Inc., Missoula | Missoula | |
| Western Montana Engineering - Missoula | Missoula | |
| WGM Group | Missoula | |
| Edgell Building | Missoula | |
| Jackson Contractor Group | Missoula | |
| Donaldson Bros Ready Mix, Inc. | Hamilton | |
| Industrial Technologies Corporation | Missoula | |
| PEI MT Inc. | Missoula | |
| River City Flooring dba Brosious Carpet & Floors | Missoula | |
| Valley Electrical Contracting Inc. | Missoula | |
| Teton Steel Company | Billings | |
| Sierra Pacific Windows | Missoula | |
| Bargreen Ellingson | Tacoma | |
| Bitterroot Welding | Missoula | |
| Chuck Jenne Masonry | Missoula | |
| Communication Resources, LLC | Missoula | |
| Counter Solutions, Inc | Missoula | |
| Creative Paint & Glass | Missoula | |
| Paulson Electric, Inc. | Missoula | |
| C.S.S. Contracting | Clinton | |
| We Connect Montana | Lolo | |
| Torgerson's Equipment | Missoula | McGuire |
| Missoula Plans Exchange | Missoula | Plan Room |