- Anaconda-Deer Lodge County, MT — 15 chapters
- Baker, MT — 14 chapters
- Belgrade, Montana, MT — 100 chapters
- Big Sandy, Montana, MT — 34 chapters
- Big Timber, Montana, MT — 57 chapters
- Billings, MT — 30 chapters
- Boulder, Montana, MT — 47 chapters
- Bozeman, MT — 44 chapters
- Bridger, MT — 18 chapters
- Butte-Silver Bow County, MT — 17 chapters
- Chester, Montana, MT — 64 chapters
- Chinook, Montana, MT — 98 chapters
- Circle, Montana, MT — 47 chapters
- Colstrip, Montana, MT — 43 chapters
- Columbus, MT — 16 chapters
- Conrad, Montana, MT — 53 chapters
- Culbertson, MT — 15 chapters
- Cut Bank, Montana, MT — 74 chapters
- Deer Lodge, Montana, MT — 134 chapters
- East Helena, Montana, MT — 70 chapters
- Ennis, Montana, MT — 104 chapters
- Fairview, Montana, MT — 41 chapters
- Forsyth, Montana, MT — 80 chapters
- Glasgow, MT — 22 chapters
- Glendive, Montana, MT — 48 chapters
- Great Falls , MT — 25 chapters
- Hamilton, MT — 17 chapters
- Hardin, Montana, MT — 84 chapters
- Havre, Montana, MT — 85 chapters
- Helena, Montana, MT — 151 chapters
- Joliet, MT — 15 chapters
- Kalispell, MT — 37 chapters
- Laurel, MT — 19 chapters
- Lewistown, Montana, MT — 92 chapters
- Libby, MT — 17 chapters
- Livingston, MT — 33 chapters
- Malta, Montana, MT — 51 chapters
- Manhattan, Montana, MT — 106 chapters
- Miles, MT — 27 chapters
- Missoula, MT — 1 chapters
- Moore, Montana, MT — 43 chapters
- Plentywood, Montana, MT — 43 chapters
- Polson, MT — 16 chapters
- Richey, MT — 15 chapters
- Ronan, Montana, MT — 55 chapters
- Roundup, MT — 16 chapters
- Shelby, Montana, MT — 116 chapters
- Sidney, Montana, MT — 133 chapters
- Stevensville, MT — 17 chapters
- Terry, Montana, MT — 48 chapters
- Three Forks, Montana, MT — 87 chapters
- Troy, MT — 12 chapters
- Valier, Montana, MT — 50 chapters
- White Sulphur Springs, Montana, MT — 84 chapters
- Whitefish, Montana, MT — 101 chapters
- Whitehall, MT — 22 chapters