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 Hampshire18 FACILITIES
Listing 18 of 20: the facilities with a website, a size band or two sources on record. The rest are in site search.
| Facility | City | Employees | Status |
|---|---|---|---|
| Oxy-gon Industries INC | Epsom | 20–99 | ACTIVE |
| Podmore Manufacturing INC. | Pittsfield | 20–99 | ACTIVE |
| The Mellen CO INC | Concord | 1–19 | ACTIVE |
| Custom Integrated Manufacturing, LLC | Allenstown | — | ACTIVE |
| Encon Industries, LLC | Hooksett | — | ACTIVE |
| Insulfab Plastics INC | Franklin | — | ACTIVE |
| Jm Timber LLC | Henniker | — | ACTIVE |
| Hmc Corporation | Hopkinton | 20–99 | LIKELY ACTIVE |
| Heat & Control Mastermatic Div | Pembroke | — | LIKELY ACTIVE |
| Pitco Frialator INC | Bow | — | LIKELY ACTIVE |
| Tafa INC | Concord | — | LIKELY ACTIVE |
| Encon Evaporators | Hooksett | 20–99 | LIKELY ACTIVE |
| Labsphere INC | Sutton | — | LIKELY ACTIVE |
| HMC Corporation | Contoocook | 20–99 | LIKELY ACTIVE |
| HP Fairfield | Hopkinton | 20–99 | LIKELY ACTIVE |
| Thorlabs Measurement Systems, Inc. | Concord | 1–19 | LIKELY ACTIVE |
| US Tool Group- GE Hookset | Hookset | 1–19 | LIKELY ACTIVE |
| Sawtech Scientific | Bow | 1–19 | UNVERIFIED |
All machinery manufacturing nationwide · All manufacturing in New Hampshire
