Ametek Precitech, INC. | Keene | NH | Machinery Manufacturing333515 | — | ◐ LIKELY ACTIVE |
| CICorning, INC. | Keene | NH | Fabricated Metal Product Manufacturing332721 | 100-499 | ◐ LIKELY ACTIVE |
| DSDesign Standards CORP | Charlestown | NH | Fabricated Metal Product Manufacturing332116 | 20-99 | ◐ LIKELY ACTIVE |
| NHNew Hampshire Industries | Claremont | NH | Machinery Manufacturing333613 | 20-99 | ◐ LIKELY ACTIVE |
| PIPolyonics, INC. | Westmoreland | NH | Paper Manufacturing322220 | 20-99 | ◐ LIKELY ACTIVE |
Symphony Microwave Technologies, LLC | Nashua | NH | Machinery Manufacturing333310 | 1-19 | ◐ LIKELY ACTIVE |
| HCHeat & Control Mastermatic Div | Pembroke | NH | Machinery Manufacturing333241 | — | ◐ LIKELY ACTIVE |
| HIHypertherm INC | Lebanon | NH | Fabricated Metal Product Manufacturing332721 | — | ◐ LIKELY ACTIVE |
Hypertherm, INC. | Lebanon | NH | Machinery Manufacturing333517 | — | ◐ LIKELY ACTIVE |
| LCL-3 Communications Doing Buisness As Insight Technology | Londonderry | NH | Machinery Manufacturing333310 | — | ◐ LIKELY ACTIVE |
| PFPitco Frialator INC | Bow | NH | Machinery Manufacturing333310 | — | ◐ LIKELY ACTIVE |
| TITafa INC | Concord | NH | Machinery Manufacturing333248 | — | ◐ LIKELY ACTIVE |
| WHW H Bagshaw CO INC | Nashua | NH | Primary Metal Manufacturing331524 | 20-99 | ◐ LIKELY ACTIVE |
| BSBay State Swiss Cam Design | Alton | NH | Machinery Manufacturing333512 | 1-19 | ◇ UNVERIFIED |
| APAvon Protection Ceradyne LLC | Salem | NH | Apparel Manufacturing315990 | — | ◐ LIKELY ACTIVE |
| EEEncon Evaporators | Hooksett | NH | Machinery Manufacturing333248 | 20-99 | ◐ LIKELY ACTIVE |
| HSHyde Specialty Products INC | Merrimack | NH | Machinery Manufacturing333310 | 1-19 | ◐ LIKELY ACTIVE |
| LL3harris | Londonderry | NH | Machinery Manufacturing333314 | 500+ | ◐ LIKELY ACTIVE |
| RURotobec USA Inc | Littleton | NH | Machinery Manufacturing333923 | 20-99 | ◐ LIKELY ACTIVE |
| SDSafran Defense & Space, INC. | Bedford | NH | Machinery Manufacturing333314 | — | ◐ LIKELY ACTIVE |
| TSTutco Sureheat | Exeter | NH | Machinery Manufacturing333414 | 20-99 | ◐ LIKELY ACTIVE |
| AIAdmix INC | Londonderry | NH | Machinery Manufacturing333241 | 20-99 | ◐ LIKELY ACTIVE |
| BIBrazen Innovations, INC. | Marlow | NH | Machinery Manufacturing333512 | 1-19 | ◐ LIKELY ACTIVE |
| CAControl Air LLC | Amherst | NH | Machinery Manufacturing333995 | 20-99 | ◐ LIKELY ACTIVE |
| ECEpe CORP | Manchester | NH | Machinery Manufacturing333314 | — | ◐ LIKELY ACTIVE |
| EWExeter Wastewater Treatment Facility | Exeter | NH | Machinery Manufacturing333414 | — | ◐ LIKELY ACTIVE |
| FEFlexenergy Energy Systems INC | Dover | NH | Machinery Manufacturing333611 | — | ◐ LIKELY ACTIVE |
| GMGates Mectrol INC | Salem | NH | Machinery Manufacturing333999 | — | ◐ LIKELY ACTIVE |
Greenerd Press & Machine Company, Inc. | Nashua | NH | Machinery Manufacturing333318 | — | ◐ LIKELY ACTIVE |
| IIntelitek | Derry | NH | Machinery Manufacturing333517 | 1-19 | ◐ LIKELY ACTIVE |
| LHLaars Heating Systems | Rochester | NH | Machinery Manufacturing333414 | — | ◐ LIKELY ACTIVE |
| LILabsphere INC | Sutton | NH | Machinery Manufacturing333314 | — | ◐ LIKELY ACTIVE |
| MGManroland Goss Web Systems | Exeter | NH | Machinery Manufacturing333244 | 100-499 | ◐ LIKELY ACTIVE |
| OOnsemi | Hudson | NH | Machinery Manufacturing333994 | — | ◐ LIKELY ACTIVE |
| RVRotary Vacuum Products Inc. | Salem | NH | Machinery Manufacturing333242 | 1-19 | ◐ LIKELY ACTIVE |
| 1I12 Innovation Owner LLC | Londonderry | NH | Machinery Manufacturing333244 | — | ◇ UNVERIFIED |
| BSBae Systems Info & Electronic Systems Integration | Litchfield | NH | Machinery Manufacturing333999 | — | ◇ UNVERIFIED |
| BSBurke Street LLC | Nashua | NH | Machinery Manufacturing333249 | — | ◇ UNVERIFIED |
| CPCascaded Purchase Holding INC (dba New Hampshire Industries) | Lebanon | NH | Machinery Manufacturing333613 | — | ◇ UNVERIFIED |
| IEIngersoll-rand Energy Systems | Portsmouth | NH | Machinery Manufacturing333611 | — | ◇ UNVERIFIED |
| NINim-cor INC | Nashua | NH | Machinery Manufacturing333613 | — | ◇ UNVERIFIED |
| OGOldenburg Group INC | Claremont | NH | Machinery Manufacturing333131 | — | ◇ UNVERIFIED |
| 1G15 Great Hollow | Hanover | NH | Machinery Manufacturing333517 | 20-99 | ◐ LIKELY ACTIVE |
| 2A20 Airpark Rd | West Lebanon | NH | Machinery Manufacturing333517 | 20-99 | ◐ LIKELY ACTIVE |
| 8E88 Etna | Lebanon | NH | Machinery Manufacturing333517 | 20-99 | ◐ LIKELY ACTIVE |
| 9G9 Great Hollow | Hanover | NH | Machinery Manufacturing333517 | 20-99 | ◐ LIKELY ACTIVE |
| EIEvari, INC. | Peterborough | NH | Machinery Manufacturing333415 | — | ◐ LIKELY ACTIVE |
| FMFreudenberg MTC | Freudenberg -NOK 19 Axle drive Northfield | NH | Machinery Manufacturing333511 | 20-99 | ◐ LIKELY ACTIVE |
| FDFujifilm Dimatix Nh | Lebanon | NH | Machinery Manufacturing333248 | 100-499 | ◐ LIKELY ACTIVE |
| HCHMC Corporation | Contoocook | NH | Machinery Manufacturing333243 | 20-99 | ◐ LIKELY ACTIVE |