1. American Guardian Septic Services
78 Depot Hill Rd, Henniker, NH 03242
Coordinate: 43.17365,-71.8221
Phone: (603) 428-8033
2. New London Septic Service
398 Foster Hill Rd, Henniker, NH 03242
Coordinate: 43.19014,-71.79654
Phone: (603) 526-4163
3. Henniker Septic Service Inc
369 Foster Hill Rd, Henniker, NH 03242
Coordinate: 43.19226,-71.7988
Phone: (603) 428-3351