| Roots Christian Fellowship | Corvallis, MT | 400 | 0 | - |
| Highwood Mobile Home Park | Great Falls, MT | 400 | 32 | - |
| Yellowstone Commercial Center | Manhattan, MT | 400 | 4 | - |
| Forest Acres Tr Pk Whitefish | Whitefish, MT | 390 | 54 | - |
| Grant Creek Water Users Association Inc | Missoula, MT | 380 | 87 | - |
| Stillwater East Boulder | Big Timber, MT | 380 | 8 | - |
| Sundance Subdivision | Billings, MT | 378 | 0 | - |
| Stone Creek Subdivision | Billings, MT | 378 | 0 | - |
| Gallatin Gateway Inn | Big Sky, MT | 375 | 76 | - |
| Jette Meadows Lake Co W and S Dist | Polson, MT | 375 | 157 | - |
| St Regis Travel Center | St Regis, MT | 374 | 30 | - |
| Corner Store Bozeman | Bozeman, MT | 373 | 82 | - |
| Galloups Slide Inn Inc | Cameron, MT | 365 | 145 | - |
| Dry Redwater Regional Water Authority | Circle, MT | 365 | 22 | - |
| Jordan Town Of | Jordan, MT | 364 | 978 | - |
| Great Divide Ski Area | Marysville, MT | 364 | 26 | - |
| West Glacier KOA Campground | West Glacier, MT | 360 | 56 | - |
| Mt Moonlight Basin | Belgrade, MT | 355 | 55 | - |
| Holter Lake Rec Site Cg No 15 Blm | Helena, MT | 352 | 21 | - |
| Cherry View | Lakeside, MT | 352 | 17 | - |
| Bainville Town Of | Bainville, MT | 350 | 606 | - |
| Saddle Mountain Corp Clancy | Clancy, MT | 350 | 58 | - |
| Water Service Inc Trout Creek | Trout Creek, MT | 350 | 25 | - |
| Sun Prairie Water District | Great Falls, MT | 350 | 94 | - |
| Warren School District No 1 | Helena, MT | 350 | 321 | - |
| Stillwater Christian School | Kalispell, MT | 350 | 29 | - |
| Hidden Lake Yellowstone County W and S D | Billings, MT | 350 | 643 | - |
| Valley Christian School North | Missoula, MT | 350 | 36 | - |
| Firelight Meadows LLC | Bozeman, MT | 350 | 184 | - |
| Lower Pioneer Mountain Water System | Big Sky, MT | 350 | 168 | - |
| Mt Air Natl Guard 120th Air Lift Wing | Great Fallls, MT | 350 | 0 | - |
| Riverside Water and Sewer Dist | Bozeman, MT | 344 | 237 | - |
| Eastgate School District 09 | East Helena, MT | 342 | 95 | - |
| Martin City County Water District | Martin City, MT | 340 | 18 | - |
| Maverick Mountain Resort LLC | Polaris, MT | 340 | 82 | - |
| Dutton Town Of | Dutton, MT | 338 | 958 | - |
| Iron Horse Homeowners Assoc | Columbia Falls, MT | 335 | 63 | - |
| Clancy Elementary School Dist 01 | Clancy, MT | 333 | 338 | - |
| Noxon Water District | Noxon, MT | 330 | 17 | - |
| Comstock | Tampa, MT | 330 | 37 | - |
| Paws Up Angus Ranch Main Complex | Greenough, MT | 327 | 112 | - |
| K-M Scout Ranch Water System | Hilger, MT | 325 | 0 | - |
| Zoomontana Inc | Billings, MT | 324 | 42 | - |
| Forest Park Water Users Association | Clancy, MT | 323 | 119 | - |
| Rock Creek Resort Red Lodge | Red Lodge, MT | 320 | 102 | - |
| Emerald View Park | Billings, MT | 320 | 31 | - |
| Lds Church Corvallis | Corvallis, MT | 320 | 29 | - |
| Mountain Acres Mb Hm Pk | Lincoln, MT | 320 | 84 | - |
| Culligan of Missoula | Missoula, MT | 320 | 32 | - |
| West Glacier RV | East Glacier Park, MT | 320 | 3 | - |