Machinery Manufacturing in New Hampshire
NAICS 333 · NH
The Bureau of Labor Statistics counted 159 establishments in New Hampshire in 2024. Machinery Manufacturing, identified by NAICS code 333, had an annual payroll of about $0.6 billion according to the Bureau of Labor Statistics in 2024. L3HARRIS in Londonderry had 790 employees in 2025. Listed in the register, there are 152 facilities across 61 cities in New Hampshire.
SUMMARIZED FROM THE FEDERAL FIGURES ON THIS PAGE
Map, cities and product lines
Plants in New Hampshire152 FACILITIES
| Facility | City | Employees | Status |
|---|---|---|---|
| Corning, INC. | Keene | 100–499 | LIKELY ACTIVE |
| Design Standards CORP | Charlestown | 20–99 | LIKELY ACTIVE |
| New Hampshire Industries | Claremont | 20–99 | LIKELY ACTIVE |
| Polyonics, INC. | Westmoreland | 20–99 | LIKELY ACTIVE |
| Tafa INC | Concord | — | LIKELY ACTIVE |
| Heat & Control Mastermatic Div | Pembroke | — | UNVERIFIED |
| Hypertherm INC | Lebanon | — | UNVERIFIED |
| Hypertherm, INC. | Lebanon | — | UNVERIFIED |
| L-3 Communications Doing Buisness As Insight Technology | Londonderry | — | UNVERIFIED |
| Pitco Frialator INC | Bow | — | UNVERIFIED |
| Will-mor Manufacturing, LLC | Seabrook | — | LIKELY ACTIVE |
| Centorr/vacuum Industries, LLC | Nashua | — | LIKELY ACTIVE |
| Encon Evaporators | Hooksett | 20–99 | LIKELY ACTIVE |
| Flexenergy Energy Systems INC | Dover | — | LIKELY ACTIVE |
| Gates Mectrol INC | Salem | — | LIKELY ACTIVE |
| Goss International | Durham | — | LIKELY ACTIVE |
| Granite State Plastics INC | Hudson | 20–99 | LIKELY ACTIVE |
| L3harris | Londonderry | 500+ | LIKELY ACTIVE |
| Safran Defense & Space, INC. | Bedford | — | LIKELY ACTIVE |
| Tutco Sureheat | Exeter | 20–99 | LIKELY ACTIVE |
| Exeter Wastewater Treatment Facility | Exeter | — | LIKELY ACTIVE |
| Labsphere INC | Sutton | — | LIKELY ACTIVE |
| Onsemi | Hudson | — | LIKELY ACTIVE |
| 12 Innovation Owner LLC | Londonderry | — | UNVERIFIED |
| Bae Systems Info & Electronic Systems Integration | Litchfield | — | UNVERIFIED |
| Burke Street LLC | Nashua | — | UNVERIFIED |
| Cascaded Purchase Holding INC (dba New Hampshire Industries) | Lebanon | — | UNVERIFIED |
| Epe CORP | Manchester | — | UNVERIFIED |
| Ingersoll-rand Energy Systems | Portsmouth | — | UNVERIFIED |
| Laars Heating Systems | Rochester | — | UNVERIFIED |
| Nim-cor INC | Nashua | — | UNVERIFIED |
| Oldenburg Group INC | Claremont | — | UNVERIFIED |
| 100 Etna | Lebanon | 20–99 | LIKELY ACTIVE |
| 15 Great Hollow | Hanover | 20–99 | LIKELY ACTIVE |
| 20 Airpark Rd | West Lebanon | 20–99 | LIKELY ACTIVE |
| 71 Heater Rd | Lebanon | 100–499 | LIKELY ACTIVE |
| 88 Etna | Lebanon | 20–99 | LIKELY ACTIVE |
| 9 Great Hollow | Hanover | 20–99 | LIKELY ACTIVE |
| Evari, INC. | Peterborough | — | LIKELY ACTIVE |
| Freudenberg MTC | Freudenberg -NOK 19 Axle drive Northfield | 20–99 | LIKELY ACTIVE |
| Fujifilm Dimatix Nh | Lebanon | 100–499 | LIKELY ACTIVE |
| HMC Corporation | Contoocook | 20–99 | LIKELY ACTIVE |
| HP Fairfield | Hopkinton | 20–99 | LIKELY ACTIVE |
| Hyde Specialty Products INC | Merrimack | — | LIKELY ACTIVE |
| Linde Advanced Material Technologies Inc. | Concord | 20–99 | LIKELY ACTIVE |
| Marani Usa, INC. | Bridgewater | — | LIKELY ACTIVE |
| Marmon Utility - Amherst | Amherst | 20–99 | LIKELY ACTIVE |
| Nh90 Ametek Ultra Precision Technologies | Keene | 100–499 | LIKELY ACTIVE |
| NHI Mechanical Motion LLC dba New Hampshire Industries | Claremont | 20–99 | LIKELY ACTIVE |
| Pentair Residential Filtration | Dover | 100–499 | LIKELY ACTIVE |
All machinery manufacturing nationwide · All manufacturing in New Hampshire