Machinery Manufacturing in New Hampshire
NAICS 333 · NH
The Machinery Manufacturing industry in New Hampshire had 160 establishments, according to the Bureau of Labor Statistics in 2025. This register lists 167 facilities in New Hampshire. L3HARRIS, located in Londonderry, employed 790 people in 2025.
SUMMARIZED FROM THE FEDERAL FIGURES ON THIS PAGE
Map, cities and product lines
Plants in New Hampshire128 FACILITIES
Listing 128 of 167: the facilities with a website, a size band or two sources on record. The rest are in site search.
| Facility | City | Employees | Status |
|---|---|---|---|
| Ametek Precitech, INC. | Keene | — | LIKELY ACTIVE |
| 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 |
| Symphony Microwave Technologies, LLC | Nashua | 1–19 | LIKELY ACTIVE |
| Heat & Control Mastermatic Div | Pembroke | — | LIKELY ACTIVE |
| Hypertherm INC | Lebanon | — | LIKELY ACTIVE |
| Hypertherm, INC. | Lebanon | — | LIKELY ACTIVE |
| L-3 Communications Doing Buisness As Insight Technology | Londonderry | — | LIKELY ACTIVE |
| Pitco Frialator INC | Bow | — | LIKELY ACTIVE |
| Tafa INC | Concord | — | LIKELY ACTIVE |
| W H Bagshaw CO INC | Nashua | 20–99 | LIKELY ACTIVE |
| Bay State Swiss Cam Design | Alton | 1–19 | UNVERIFIED |
| Avon Protection Ceradyne LLC | Salem | — | LIKELY ACTIVE |
| Encon Evaporators | Hooksett | 20–99 | LIKELY ACTIVE |
| Hyde Specialty Products INC | Merrimack | 1–19 | LIKELY ACTIVE |
| L3harris | Londonderry | 500+ | LIKELY ACTIVE |
| Rotobec USA Inc | Littleton | 20–99 | LIKELY ACTIVE |
| Safran Defense & Space, INC. | Bedford | — | LIKELY ACTIVE |
| Tutco Sureheat | Exeter | 20–99 | LIKELY ACTIVE |
| Admix INC | Londonderry | 20–99 | LIKELY ACTIVE |
| Brazen Innovations, INC. | Marlow | 1–19 | LIKELY ACTIVE |
| Control Air LLC | Amherst | 20–99 | LIKELY ACTIVE |
| Epe CORP | Manchester | — | LIKELY ACTIVE |
| Exeter Wastewater Treatment Facility | Exeter | — | LIKELY ACTIVE |
| Flexenergy Energy Systems INC | Dover | — | LIKELY ACTIVE |
| Gates Mectrol INC | Salem | — | LIKELY ACTIVE |
| Greenerd Press & Machine Company, Inc. | Nashua | — | LIKELY ACTIVE |
| Intelitek | Derry | 1–19 | LIKELY ACTIVE |
| Laars Heating Systems | Rochester | — | LIKELY ACTIVE |
| Labsphere INC | Sutton | — | LIKELY ACTIVE |
| Manroland Goss Web Systems | Exeter | 100–499 | LIKELY ACTIVE |
| Onsemi | Hudson | — | LIKELY ACTIVE |
| Rotary Vacuum Products Inc. | Salem | 1–19 | 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 |
| Ingersoll-rand Energy Systems | Portsmouth | — | UNVERIFIED |
| Nim-cor INC | Nashua | — | UNVERIFIED |
| Oldenburg Group INC | Claremont | — | UNVERIFIED |
| 15 Great Hollow | Hanover | 20–99 | LIKELY ACTIVE |
| 20 Airpark Rd | West Lebanon | 20–99 | LIKELY ACTIVE |
| 88 Etna | Lebanon | 20–99 | LIKELY ACTIVE |
| 9 Great Hollow | Hanover | 20–99 | 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 |
All machinery manufacturing nationwide · All manufacturing in New Hampshire