New Hampshire Low Cost Spay/Neuter Locations:

Carroll County:
Rozzie May Animal Alliance - Conway

Cheshire County:
Monadnock Humane Society- Swanzey  

Grafton County:
Upper Valley Humane Society Spay and Neuter Clinic - Enfield
Above the Notch Humane Society- Franconia 

Hillsborough County:
Animal Allies - Manchester
Friends of the Manchester Animal Shelter - Manchester

Merrimack County:
Hooksett Veterinary Clinic, Inc. - Hooksett

Rockingham County:
Animal Rescue Veterinary Services - Londonderry
New Hampshire SPCA - Stratham 
Salem Animal Rescue League- Salem 
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Strafford County:
Pope Memorial Humane Society - Dover

Sullivan County:
Sullivan County Humane Society - Claremont