GroundRosterAJT SUBSURFACE LLCLicensed
| Company | Ajt Subsurface LLC |
| License number | 3312 |
| License type | Monitoring Well Construction, Water Well Construction |
| License status | Active, NH DES Well Contractor roster |
| Based in | Henniker, Merrimack County, New Hampshire 03242 |
"Based in" is the city and county of the address on the business's license record. That can be a mailing address; it doesn't tell you where the business works.
What this license covers
- Monitoring wells: also licensed for environmental monitoring wells, not just water-supply wells.
How to verify this license
We publish the license details exactly as they appear in the official licensing records of the agency that issued the license; we do not vouch for the business itself. Before hiring, look up license #3312 directly with the agency that issued it, confirm it is still active, and ask for a current certificate of insurance.
Source: NH DES - Well Contractors & Pump Installers, last checked 2026-08-16. Verify at the official source.
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