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Fabricated Metal Product Manufacturing in New Hampshire

NAICS 332 · NH

New Hampshire is the location of 386 establishments counted by the Bureau of Labor Statistics in 2024. SIG SAUER INC in Newington had 1,100 employees as of 2025. There are 307 facilities listed in the register, with 93 in different cities.

SUMMARIZED FROM THE FEDERAL FIGURES ON THIS PAGE

Map, cities and product lines

Biggest counties

Hillsborough94Rockingham67Strafford31Merrimack23Cheshire19Belknap14Sullivan14Grafton7

Biggest cities

Plants in New Hampshire67 FACILITIES

FacilityCityEmployeesStatus
Aerodynamics, LLCSeabrook20–99 ACTIVE
Martin International Enclosures, LLCSeabrook— ACTIVE
Mushield CO INCLondonderry— ACTIVE
Novel Iron Works, INC.Greenland100–499 ACTIVE
Sig Sauer INCNewington500+ ACTIVE
Sig Sauer INCExeter100–499 ACTIVE
Westinghouse Electric Company LLCNewington100–499 ACTIVE
Galvion LTDPortsmouth— ACTIVE
Mace Machine LLCExeter— ACTIVE
Magnum Machine INC.Raymond— ACTIVE
Pro Star Precision Machining, LLCLondonderry1–19 ACTIVE
Viking Welding and Fabrication LLCKensington— ACTIVE
Wilcox Industries CORP.Newington— ACTIVE
American Steel and Aluminum LLCFremont— ACTIVE
Best Machine INCFremont— ACTIVE
D6 Industries IncorporatedHampstead— ACTIVE
Electroplatingusa LLCGreenland— ACTIVE
Hagan Design & Machine INCNewmarket— ACTIVE
Inventex, INCW Nottingham— ACTIVE
Macomber Cryogenics, INCNewton— ACTIVE
Precision Laser Engraving, LLCDerry— ACTIVE
Quality Machine INCPlaistow— ACTIVE
R G Machine INCSeabrook— ACTIVE
Stone Machine CO. INC.Chester— ACTIVE
Tru Form Precision Manufacturing, LLCPlaistow— ACTIVE
Wdw Machine INCHampstead— ACTIVE
Gemini ValveRaymond1–19 LIKELY ACTIVE
Will-mor Manufacturing, LLCSeabrook— LIKELY ACTIVE
Beswick Engineering CO INCGreenland20–99 LIKELY ACTIVE
Linear & Metric, LLCLondonderry— LIKELY ACTIVE
Skaff Cryogenics INCBrentwood1–19 LIKELY ACTIVE
Summit Packaging Systems BOVLondonderry20–99 LIKELY ACTIVE
Ckm Electrostatic Coatings LLCBrentwood— LIKELY ACTIVE
Pro FinishingHampstead— LIKELY ACTIVE
BrazonicsHampton— UNVERIFIED
Bri-weld Industries LLCAuburn— UNVERIFIED
Central Metal Finishing INCWindham— UNVERIFIED
Chart IndustriesPlaistow— UNVERIFIED
Johnson & Johnston Associates INCHampstead— UNVERIFIED
A & L Machine LLCPlaistow— LIKELY ACTIVE
Apogee Tool LLCNewington— LIKELY ACTIVE
Berube Tool & Die, INC.Plaistow— LIKELY ACTIVE
Cramar Machining, LLCHampstead— LIKELY ACTIVE
Marine Components INC.Rye— LIKELY ACTIVE
Plum Creek Enviromental TechnologiesSeabrook20–99 LIKELY ACTIVE
Rooneys Welding & Fabrication INCPlaistow— LIKELY ACTIVE
Sig Sauer - AviationPortsmouth20–99 LIKELY ACTIVE
Sig Sauer INCExeter— LIKELY ACTIVE
Sig Sauer INC.Newington— LIKELY ACTIVE
Summit Packaging Systems StampingLondonderry1–19 LIKELY ACTIVE

Search all 307 facilities

All fabricated metal product manufacturing nationwide · All manufacturing in New Hampshire