Beaverhead County

Blaine County

Blackfeet Reservation

Cascade County

Central Montana Counties (Fergus, Judith Basin, Wheatland, Golden Valley, Musselshell, Petroleum)

Chouteau County

CROW TRIBE

CONFEDERATED SALISH AND KOOTENAI TRIBES

Custer County

Daniels County

Dawson County

Deer Lodge County

Fallon County

Flathead County

Fort Peck Reservation

Gallatin County

Garfield County

Glacier County

Jefferson County

Lake County

Lewis and Clark County

Lincoln County

Madison County

McCone County

Meagher County

Mineral County

Missoula County

Northern Cheyenne

Park County

Pondera County

Prairie County

Richland County

Rocky Boy Reservation

Roosevelt County

Teton County

Toole County

Treasure County

Valley County

Wibaux County

Yellowstone County