Registered sheet metal worker apprentices by county, open recruitment windows where the state publishes them, and how the apprentice tier fits New Hampshire's licence ladder. Updated nightly.
New Hampshire has 57 registered sheet metal worker apprentices in active status (fiscal year 2025, DOL RAPIDS), placed in 9 counties, 0.4 per 10,000 residents. That is 6.8 apprentices for every 100 employed sheet metal workers in the state, the rate at which the trade is training its own replacements.
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Registered sheet metal worker apprentices by county of the apprentice, largest first. Each county links to its sheet metal workers market page.
| County | Apprentices | Share | Per 10k residents |
|---|---|---|---|
| Rockingham County | 18 | 32% | 0.6 |
| Hillsborough County | 15 | 26% | 0.4 |
| Strafford County | 12 | 21% | 0.9 |
| Merrimack County | 3 | 5% | 0.2 |
| Belknap County | 2 | 4% | 0.3 |
| Carroll County | 2 | 4% | 0.4 |
| Coos County | 2 | 4% | 0.6 |
| Sullivan County | 2 | 4% | 0.5 |
| Grafton County | 1 | 2% | 0.1 |
Source: DOL RAPIDS apprenticeship FY2025, active status, county-coded; as of December 31, 2025.
Credential types the No dedicated New Hampshire sheet metal worker licence. Sheet metal work is regulated through the state's mechanical/HVAC licensing where it applies: No New Hampshire HVAC, air conditioning or refrigeration license. The mechanical licensing board established under RSA 153:27-a, administered by the Office of Professional Licensure and Certification, licenses fuel gas fitters and plumbers, and separately runs a voluntary certification program for oil heating installers and service personnel.. issues for this trade: New Hampshire mechanical/HVAC credential covering ductwork and sheet metal, Registered apprenticeship (USDOL or joint apprenticeship committee). See how to get a sheet metal worker license in New Hampshire for hours, exams and renewal.
Sources: registered apprentices: DOL RAPIDS apprenticeship FY2025, active status, as of December 31, 2025; employment: BLS QCEW construction x OEWS occupation share (estimate); population: U.S. Census 2023 estimates.
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