| Business | Phone |
| Valley Builders 1104 S 1st St, Hamilton 59840 | (406) 363-1910 |
| Bitterroot Building Assn 501 N 1st St, Hamilton 59840 | (406) 375-9411 |
| Siemens Building Tech 903 S 4th St, Hamilton 59840 | (406) 363-2173 |
| Signature Builders Inc 2020 N 1st St, Hamilton 59840 | (406) 363-3694 |
| Rocky Mountain Siding & Wndws 545 Grantsdale Rd, Hamilton 59840 | (406) 363-3583 |
| M & M Builders Inc 2012 Norman Way, Hamilton 59840 | (406) 821-3056 |