Montana Low Cost Spay/Neuter Locations:

Statewide:
Montana Spay 

Cascade County:
Cascades Humane Society Snap Program - Great Falls
Humane Society of Cascade County - Great Falls

Carbon County:
Beartooth Humane Alliance- Red Lodge 

Gallatin County:
Heart of the Valley Animal Shelter - Bozeman
Wellhaven Pet Health- Bozeman 

Flathead County:
The Flathead Spay & Neuter Task Force - Columbia Falls

Lake County:
Life Savers Animal Rescue - Polson
Mission Valley Animal Shelter - Polson

Missoula County:
Humane Society Of Western Montana - Missoula

Musselshell County:
Rimrock Humane Society - Roundup 

Ravalli County:
Fox Hollow Animal Project - Hamilton 

Silver Bow County:
Butte Spay Neuter Taskforce - Butte

Stillwater County:
Stillwater Veterinary Clinic - Absarokee

Yellowstone County: 
Animal Clinic of Billings- Billings 
Hope For Homeless Pets - Billings
Yellowstone Valley Animal Shelter - Billings