| Business | Phone |
| Century 21 Mtn View Realty Plains 59859 | (406) 826-4500 |
| Coldwell Banker 112 E Railroad, Plains 59859 | (406) 826-2800 |
| Edrington & Edrington Rl Est 152 Mt Highway 200 W, Plains 59859 | (406) 826-4497 |
| Out West Realty 746 Upper Lynch Creek Rd, Plains 59859 | (406) 826-3610 |
| Mc Callum Realty 331 E Railroad St, Plains 59859 | (406) 826-3811 |