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 Hampshire18 FACILITIES
| Facility | City | Employees | Status |
|---|---|---|---|
| Podmore Manufacturing INC. | Pittsfield | 20–99 | ACTIVE |
| The Mellen CO INC | Concord | 1–19 | ACTIVE |
| Oxy-gon Industries INC | Epsom | — | ACTIVE |
| Custom Integrated Manufacturing, LLC | Allenstown | — | ACTIVE |
| Encon Industries, LLC | Hooksett | — | ACTIVE |
| Insulfab Plastics INC | Franklin | — | ACTIVE |
| Jm Timber LLC | Henniker | — | ACTIVE |
| Tafa INC | Concord | — | LIKELY ACTIVE |
| Heat & Control Mastermatic Div | Pembroke | — | UNVERIFIED |
| Pitco Frialator INC | Bow | — | UNVERIFIED |
| 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 |
| Linde Advanced Material Technologies Inc. | Concord | 20–99 | LIKELY ACTIVE |
| Thorlabs Measurement Systems, Inc. | Concord | 1–19 | LIKELY ACTIVE |
| US Tool Group- GE Hookset | Hookset | 1–19 | LIKELY ACTIVE |
| Consolidated Machinery Services, LLC | Concord | — | UNVERIFIED |
All machinery manufacturing nationwide · All manufacturing in New Hampshire