Missouri Low Cost Spay/Neuter Locations:

Statewide:
Spay Missouri

Boone County:
Central Missouri Humane Society - Columbia

Cape Girardeau:
Humane Society of Southeast Missouri - Cape Girardeau

Camden County:
Dogwood Animal Shelter - Osage Beach

Cape Girardeau County:
Humane Society Of Southeast Missouri Cape - Girardeau 

Franklin County:
Franklin County Humane Society - Union

Greene County:
Spay/Neuter Assistance Program, Inc. (SNAP) - Springfield
Springfield Animal Advocacy Foundation - Springfield

Jackson County:
Independence Animal Shelter - Independence
PAWS, Inc. - Kansas City
Spay & Neuter Kansas City - Kansas City

St. Louis County:
Barcspay - St. Louis
Carol House Quick Fix Pet Clinic - St. Louis
Humane Society Of Missouri - St. Louis
Pound Pals Nooterville Program - St. Louis
Operation Spot - St. Louis