| MUMarmon Utility - Amherst | Amherst | 20–99 | ◐ LIKELY ACTIVE |
| NANh90 Ametek Ultra Precision Technologies | Keene | 100–499 | ◐ LIKELY ACTIVE |
| NMNHI Mechanical Motion LLC dba New Hampshire Industries | Claremont | 20–99 | ◐ LIKELY ACTIVE |
| PRPentair Residential Filtration | Dover | 100–499 | ◐ LIKELY ACTIVE |
| PFPitco Frialator | Concord | 100–499 | ◐ LIKELY ACTIVE |
| RURotobec USA INc | Groveton | 20–99 | ◐ LIKELY ACTIVE |
 Spectral Systems (Jaffrey) | Jaffrey | 1–19 | ◐ LIKELY ACTIVE |
| TMThorlabs Measurement Systems, Inc. | Concord | 1–19 | ◐ LIKELY ACTIVE |
| UTUS Tool Group- GE Hookset | Hookset | 1–19 | ◐ LIKELY ACTIVE |
| UTUS Tool Group- OC Manchester | Manchester | 1–19 | ◐ LIKELY ACTIVE |
| WIWilcox Industries - Newington | Newington | 100–499 | ◐ LIKELY ACTIVE |
| CAC a C Mechanical Services INC | Salem | 20–99 | ◇ UNVERIFIED |
| CPCobra Precision Machining Corp. | Hooksett | 1–19 | ◇ UNVERIFIED |
| CAComputer Aided Manufacturing Technologies, Inc. | Plaistow | 1–19 | ◇ UNVERIFIED |
| CTConcept Tool and Design, INC. | Goffstown | 1–19 | ◇ UNVERIFIED |
| GGGeorge Gordon Associates INC | Merrimack | 1–19 | ◇ UNVERIFIED |
| GGG & G Tool & Die Corporation | Goffstown | 1–19 | ◇ UNVERIFIED |
| IMImed Manufacturing, LLC | Hampstead | 1–19 | ◇ UNVERIFIED |
| PRPremier Recycling Equipment, Inc. | Seabrook | 20–99 | ◇ UNVERIFIED |
| PMProgressive Manufacturing INC | Newport | 20–99 | ◇ UNVERIFIED |
| PMProgressive Manufacturing INC | Lebanon | 20–99 | ◇ UNVERIFIED |
| RIRay-tech Infrared CORP | Charlestown | 1–19 | ◇ UNVERIFIED |
| SSSawtech Scientific | Bow | 1–19 | ◇ UNVERIFIED |
| SBSean Byrnes Welding LLC | Thornton | 1–19 | ◇ UNVERIFIED |
| SBSequence Biotech LLC | Amherst | 1–19 | ◇ UNVERIFIED |
| TMTurmoil Manufacturing Company | Swanzey | — | ◇ UNVERIFIED |
| WRWater Recycling International, Inc | Hampton | 1–19 | ◇ UNVERIFIED |
| WHWilliams & Hussey Machine CO INC | Amherst | 1–19 | ◇ UNVERIFIED |
