Fabricated Metal Product Manufacturing in New Hampshire
NAICS 332 · NH
The register lists 329 facilities in New Hampshire. According to the Bureau of Labor Statistics, 383 establishments in New Hampshire were counted in 2025. SIG SAUER INC in Newington employed 1,100 people in 2025.
SUMMARIZED FROM THE FEDERAL FIGURES ON THIS PAGE
Map, cities and product lines
Plants in New Hampshire247 FACILITIES
Listing 247 of 329: the facilities with a website, a size band or two sources on record. The rest are in site search.
| Facility | City | Employees | Status |
|---|---|---|---|
| Kennebec Lumber Company - Rumney | Rumney | 1–19 | LIKELY ACTIVE |
| Lebanon | Lebanon | 100–499 | LIKELY ACTIVE |
| MetalMax, LLC New Hampshire | Concord | 1–19 | LIKELY ACTIVE |
| Mikros Technologies | Claremont | 20–99 | LIKELY ACTIVE |
| Nucor Harris Rebar Northeast LLC (Canaan Facility) | Canaan | 20–99 | LIKELY ACTIVE |
| Plum Creek Enviromental Technologies | Seabrook | 20–99 | LIKELY ACTIVE |
| ProtoLabs 22 Charron | Nashua | 20–99 | LIKELY ACTIVE |
| Robin Family Industries LLC | North Swanzey | — | REPORTED CLOSED |
| Ruger Newport | Newport | 500+ | LIKELY ACTIVE |
| Sig Sauer - Aviation | Portsmouth | 20–99 | LIKELY ACTIVE |
| SL Chasse Steel | Hudson | 100–499 | LIKELY ACTIVE |
| Summit Packaging Systems Stamping | Londonderry | 1–19 | LIKELY ACTIVE |
| Tes | Dover | 20–99 | LIKELY ACTIVE |
| Tri State Iron Works, Inc. | Concord | 20–99 | LIKELY ACTIVE |
| Turbocam B5 | Barrington | 1–19 | LIKELY ACTIVE |
| Turbocam TED | Rochester | 1–19 | LIKELY ACTIVE |
| Vitex Extrusion 109 | Franklin | 20–99 | LIKELY ACTIVE |
| Watts Water Technologies | Franklin | 100–499 | LIKELY ACTIVE |
| Adax Machine Co., Inc | Hudson | 1–19 | UNVERIFIED |
| Alpha Machine Service LLC | Kingston | 1–19 | UNVERIFIED |
| BC Nichols Machine, LLC | Hampton | 1–19 | UNVERIFIED |
| Beaumac Company, INC. | Epsom | 1–19 | UNVERIFIED |
| Boucher Company, Inc. | North Conway | 1–19 | UNVERIFIED |
| Ccz Precision Machining, LLC | Seabrook | — | UNVERIFIED |
| Chadwick & Trefethen INC | Portsmouth | 1–19 | UNVERIFIED |
| Color Coatings | Wakefield | 1–19 | UNVERIFIED |
| Connecticut Precision Castings | Claremont | 1–19 | UNVERIFIED |
| Costa Precision Mfg CORP | Claremont | 20–99 | UNVERIFIED |
| Cutting Tool Technologies, Inc. | Wilton | 1–19 | UNVERIFIED |
| Dewzen LLC | Nashua | 1–19 | UNVERIFIED |
| DLT Machine, LLC | Pelham | 1–19 | UNVERIFIED |
| Dover Flexo Electronics, Inc. | Rochester | 20–99 | UNVERIFIED |
| East Coast Metalworks Company Inc | Kingston | 1–19 | UNVERIFIED |
| Granite State Metal Works, LLC | Milford | 1–19 | UNVERIFIED |
| Hicks Machine | Walpole | 1–19 | UNVERIFIED |
| Hi Tech Fab INC | Milford | 1–19 | UNVERIFIED |
| Mem-co Fittings INC | Hampstead | 1–19 | UNVERIFIED |
| New Hampshire Precision Fabricators INC. | Londonderry | — | UNVERIFIED |
| Powerfab, INC. | Merrimack | 1–19 | UNVERIFIED |
| Q.C. Drilling/Routing Service, Inc. | Salem | 1–19 | UNVERIFIED |
| RTD Technologies | Somersworth | 1–19 | UNVERIFIED |
| Sekor Machine & Fabricating LLC | Winchester | 1–19 | UNVERIFIED |
| Sheet Pile LLC | Holderness | 1–19 | UNVERIFIED |
| Stamping Technologies INC | Laconia | 20–99 | UNVERIFIED |
| Star Machine Co. Inc. | Nashua | 1–19 | UNVERIFIED |
| Stingray Manufacturing, LLC | Brentwood | — | UNVERIFIED |
| Winnepesaukee Forge, Inc. | Meredith (census name for mere | 1–19 | UNVERIFIED |
All fabricated metal product manufacturing nationwide · All manufacturing in New Hampshire