| North East Precision CNC Milling, Turning · ISO 9001, ITAR | Dover, NH | MillingTurning | ISO 9001, ITAR |
| DGF Industrial Innovations Group, Ltd Milling, Turning, Bending, Welding · ISO 9001 | Gilford, NH | MillingTurningBendingWelding | ISO 9001 |
| Baron Machine Co., Inc. Milling, Turning, Welding · ISO 9001, AS9100, ITAR | Laconia, NH | MillingTurningWelding | ISO 9001, AS9100, ITAR |
| Warner Tool Co Inc Milling, Stamping, Grinding | North Swanzey, NH | MillingStampingGrinding | - |
| Acadia Manufacturing Milling, Turning · ITAR | Newport, NH | MillingTurning | ITAR |
| Aerodynamics Finishing · NADCAP | Seabrook, NH | Finishing | NADCAP |
| 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 |
| Hardric Laboratories, Inc Milling, EDM · ISO 9001 | Hudson, NH | MillingEDM | ISO 9001 |
| Insource Design & Manufacturing Technologies, LLC Milling, Turning, Assembly · ISO 9001, ITAR | Manchester, NH | MillingTurningAssembly | ISO 9001, ITAR |
| JCB Precision, LLC Milling | Concord, NH | Milling | - |
| Jh-Precision LLC Milling | Farmington, NH | Milling | - |
| Latva Machine, LLC Milling, Turning, Stamping, Casting, Forging, Finishing · ISO 9001 | Newport, NH | MillingTurningStampingCastingForgingFinishing | ISO 9001 |
| Podmore Manufacturing Inc Milling, Swiss · ISO 9001 | Pittsfield, NH | MillingSwiss | ISO 9001 |
| S & S Machine Milling, Turning, Bending, Welding, Waterjet, EDM | Amherst, NH | MillingTurningBendingWeldingWaterjetEDM | - |
| Sparton Technology Corp Milling, Turning, Laser, Punching, Bending, Welding, Finishing, Assembly · ISO 9001, AS9100 | Hudson, NH | MillingTurningLaserPunchingBendingWeldingFinishingAssembly | ISO 9001, AS9100 |
| Spinlab CNC Inc Turning | Bedford, NH | Turning | - |
| Temco Precision Machining Milling, EDM · ISO 9001, AS9100 | Manchester, NH | MillingEDM | ISO 9001, AS9100 |
| Trace Technologies, LLC Milling, Finishing | Epping, NH | MillingFinishing | - |
| WDW Machine Inc Milling, Turning, Grinding, Assembly | Hampstead, NH | MillingTurningGrindingAssembly | - |