| C&M Precision Tech Milling, Turning, Swiss, Welding, EDM, Grinding, Finishing · ISO 9001, AS9100, ITAR, ISO 13485, CMMC | Hudson, NH | MillingTurningSwissWeldingEDMGrindingFinishing | ISO 9001, AS9100, ITAR, ISO 13485, CMMC |
| Tru Form Precision Manufacturing Milling, Turning, Welding, EDM, Grinding, Finishing, Assembly · ISO 9001, ITAR, ISO 13485 | Plaistow, NH | MillingTurningWeldingEDMGrindingFinishingAssembly | ISO 9001, ITAR, ISO 13485 |
| WH Bagshaw Co Inc Turning, Swiss, Grinding · ISO 9001 | Hudson, NH | TurningSwissGrinding | ISO 9001 |
| Stone Machine Co. Inc Milling, Turning, Grinding, Finishing | Chester, NH | MillingTurningGrindingFinishing | - |
| Diamond Turning Innovations, LLC Milling, Turning, Grinding | Milford, NH | MillingTurningGrinding | - |
| Warner Tool Co Inc Milling, Stamping, Grinding | North Swanzey, NH | MillingStampingGrinding | - |
| Best Machine Inc Milling, Turning, Swiss, Bending, Welding, EDM, Grinding · ISO 9001, ITAR | Fremont, NH | MillingTurningSwissBendingWeldingEDMGrinding | ISO 9001, ITAR |
| Hagan Design & Machine Inc Milling, Turning, Welding, EDM, Grinding | Newmarket, NH | MillingTurningWeldingEDMGrinding | - |
| Inventex, Inc Grinding | W Nottingham, NH | Grinding | - |
| Mace Machine LLC Milling, Turning, Swiss, Grinding · AS9100, ITAR, NADCAP | Exeter, NH | MillingTurningSwissGrinding | AS9100, ITAR, NADCAP |
| WDW Machine Inc Milling, Turning, Grinding, Assembly | Hampstead, NH | MillingTurningGrindingAssembly | - |