| Whalley Precision Inc Milling, Turning, Welding, Grinding, Finishing, Assembly · ISO 9001, ITAR, CMMC | Southwick, MA | MillingTurningWeldingGrindingFinishingAssembly | ISO 9001, ITAR, CMMC |
| Wrobel Engineering Co. Inc Milling, Turning, Punching, Welding, Stamping, Grinding, Assembly | Avon, MA | MillingTurningPunchingWeldingStampingGrindingAssembly | - |
| Decker Machine Works Inc Milling, Turning, Swiss, EDM, Grinding · ISO 9001, AS9100, ITAR | Greenfield, MA | MillingTurningSwissEDMGrinding | ISO 9001, AS9100, ITAR |
| Mills Machine Works Inc Milling, Turning, Welding, Grinding | Lawrence, MA | MillingTurningWeldingGrinding | - |
| O. W. Landergren, Inc Milling, Laser, Punching, Bending, Welding, Stamping, EDM, Grinding, Finishing | Pittsfield, MA | MillingLaserPunchingBendingWeldingStampingEDMGrindingFinishing | - |
| Swissturn/usa, Inc Milling, Turning, Swiss, Grinding, Finishing · ISO 9001, ITAR, CMMC | Oxford, MA | MillingTurningSwissGrindingFinishing | ISO 9001, ITAR, CMMC |
| Abwey Machine & Die Co Inc Milling, Grinding, Assembly | Pembroke, MA | MillingGrindingAssembly | - |
| Csi Manufacturing Inc Milling, Turning, Laser, Welding, Stamping, Finishing · ISO 9001 | Westborough, MA | MillingTurningLaserWeldingStampingFinishing | ISO 9001 |
| Fairview Machine Co Inc Milling, Turning, EDM, Assembly | Topsfield, MA | MillingTurningEDMAssembly | - |
| Hawkeye Innovation LLC Milling, Grinding, Assembly · ISO 9001, AS9100, ITAR | Agawam, MA | MillingGrindingAssembly | ISO 9001, AS9100, ITAR |
| Industrial Motions Engineering, Inc Milling, Turning, Welding, Grinding, Finishing, Assembly | Wilmington, MA | MillingTurningWeldingGrindingFinishingAssembly | - |
| Lavelle Medical LLC Milling, Turning, Laser, EDM, Finishing · ISO 9001, ITAR, ISO 13485 | Westford, MA | MillingTurningLaserEDMFinishing | ISO 9001, ITAR, ISO 13485 |
| Nortek, Inc Milling, Turning, Swiss, Laser, Waterjet, Welding, EDM, Grinding, Finishing · ISO 9001, AS9100, ITAR, NADCAP | West Springfield, MA | MillingTurningSwissLaserWaterjetWeldingEDMGrindingFinishing | ISO 9001, AS9100, ITAR, NADCAP |
| United Metal Fabricators, Inc Milling, Turning, Laser, Waterjet, Bending, Welding, Finishing, Assembly | Worcester, MA | MillingTurningLaserWaterjetBendingWeldingFinishingAssembly | - |
| Axis CNC Inc Milling | Ware, MA | Milling | - |
| Boulevard Machine & Gear, Inc Milling, Turning, Grinding · ISO 9001, AS9100, ITAR | Westfield, MA | MillingTurningGrinding | ISO 9001, AS9100, ITAR |
| Custom Machine Inc Milling, Turning, EDM · ISO 9001, AS9100, ITAR, ISO 13485, NADCAP | Woburn, MA | MillingTurningEDM | ISO 9001, AS9100, ITAR, ISO 13485, NADCAP |
| Graycer Screw Products Co Inc Milling, Turning, Swiss | Bellingham, MA | MillingTurningSwiss | - |
| Microwave Components Specialists, Inc Milling, Turning | Orleans, MA | MillingTurning | - |
| New England Foundry LLC Milling, Bending, Welding, Stamping, Casting, EDM, Grinding, Finishing · ISO 9001 | Taunton, MA | MillingBendingWeldingStampingCastingEDMGrindingFinishing | ISO 9001 |
| Peerless Precision Inc Milling, Turning, Welding, Grinding · ISO 9001, AS9100, ITAR | Westfield, MA | MillingTurningWeldingGrinding | ISO 9001, AS9100, ITAR |
| Van - Wal Machine, Inc Milling, Turning, Grinding | Bellingham, MA | MillingTurningGrinding | - |
| A & A Industries, Inc Milling, Turning, Welding · ISO 9001, AS9100 | Peabody, MA | MillingTurningWelding | ISO 9001, AS9100 |
| Accurounds, Inc Milling, Turning, Swiss, Grinding, Assembly · ISO 9001, AS9100, ISO 13485 | Avon, MA | MillingTurningSwissGrindingAssembly | ISO 9001, AS9100, ISO 13485 |
| Antron Engineering & Machine Co Inc Milling, Turning, Swiss, Welding, EDM, Assembly | Bellingham, MA | MillingTurningSwissWeldingEDMAssembly | - |
| Ap Precision Machine Inc Milling, Turning, Waterjet, Finishing | Holliston, MA | MillingTurningWaterjetFinishing | - |
| Boniface Tool & Die Inc Milling, Turning, Waterjet, Stamping, Grinding, Finishing | Dudley, MA | MillingTurningWaterjetStampingGrindingFinishing | - |
| Brodeur Machine Company, Inc Milling, Turning, Laser, Waterjet, Welding, EDM, Grinding | New Bedford, MA | MillingTurningLaserWaterjetWeldingEDMGrinding | - |
| Brooks Industrial, LLC Milling, Grinding, Finishing | North Attleboro, MA | MillingGrindingFinishing | - |
| Classic Engineering, LLC Milling, Turning, Waterjet, Welding, Finishing | Gloucester, MA | MillingTurningWaterjetWeldingFinishing | - |
| Columbia Asc Inc Milling, Turning, Laser, Waterjet, Bending, Welding, Stamping, EDM · ISO 9001 | Lawrence, MA | MillingTurningLaserWaterjetBendingWeldingStampingEDM | ISO 9001 |
| D. J. Fabricators, Inc Milling, Laser, Waterjet, Punching, Bending, Welding, EDM, Grinding, Assembly · ISO 9001 | Ipswich, MA | MillingLaserWaterjetPunchingBendingWeldingEDMGrindingAssembly | ISO 9001 |
| David Packard Company, Inc Milling, Turning, Swiss, Grinding, Finishing, Assembly · ISO 9001, ITAR | Oxford, MA | MillingTurningSwissGrindingFinishingAssembly | ISO 9001, ITAR |
| Dimark Precision Machining,, Inc Milling, Turning, Welding, Grinding | Pembroke, MA | MillingTurningWeldingGrinding | - |
| Donahue Industries, Incorporated Milling, Turning, Swiss, Punching, Bending, Welding, Stamping, EDM, Grinding, Finishing | Shrewsbury, MA | MillingTurningSwissPunchingBendingWeldingStampingEDMGrindingFinishing | - |
| Electronic Sheet Metal Craftsm Milling, Turning, Laser, Punching, Bending, Welding, Grinding, Assembly | Stoughton, MA | MillingTurningLaserPunchingBendingWeldingGrindingAssembly | - |
| Franklin Sheet Metal, LLC Milling, Laser, Waterjet, Punching, Bending, Welding, Grinding, Finishing · ITAR | Franklin, MA | MillingLaserWaterjetPunchingBendingWeldingGrindingFinishing | ITAR |
| H & S Tool and Engineering, Inc Milling, Turning, Welding, EDM · ISO 9001 | Fall River, MA | MillingTurningWeldingEDM | ISO 9001 |
| Interstate Manufacturing Company, Inc Milling, Welding · ITAR | Agawam, MA | MillingWelding | ITAR |
| Jetfab LLC Milling, Turning, Laser, Waterjet, Punching, Bending, Welding | Lowell, MA | MillingTurningLaserWaterjetPunchingBendingWelding | - |
| LHM Engineering LLC Milling, Swiss, Laser, Waterjet, Stamping, EDM, Grinding, Finishing, Assembly · ISO 13485 | Manchester, MA | MillingSwissLaserWaterjetStampingEDMGrindingFinishingAssembly | ISO 13485 |
| Louis C Morin Co Inc Milling, Turning, Swiss, Welding, Grinding, Finishing, Assembly | North Billerica, MA | MillingTurningSwissWeldingGrindingFinishingAssembly | - |
| Machine Incorporated Milling, Turning, Swiss, Assembly · ISO 9001, AS9100 | Stoughton, MA | MillingTurningSwissAssembly | ISO 9001, AS9100 |
| Marzilli Machine Co Milling, Turning, Welding · ISO 9001, ITAR | Seekonk, MA | MillingTurningWelding | ISO 9001, ITAR |
| Metalogic Industries LLC Milling, Turning, Swiss, Laser, Welding, EDM, Grinding | Southbridge, MA | MillingTurningSwissLaserWeldingEDMGrinding | - |
| MK Services Corp Milling, Turning, Swiss, Grinding, Assembly · ISO 9001, ITAR, ISO 13485 | Middleton, MA | MillingTurningSwissGrindingAssembly | ISO 9001, ITAR, ISO 13485 |
| North Easton Machine Company, Inc Milling, Turning, Swiss · ISO 9001, ITAR, CMMC | North Easton, MA | MillingTurningSwiss | ISO 9001, ITAR, CMMC |
| Operateup Inc Milling, Turning, Punching, Welding, Stamping · ISO 9001 | Orange, MA | MillingTurningPunchingWeldingStamping | ISO 9001 |
| Pearson Machine Milling, Welding, Grinding | Stoughton, MA | MillingWeldingGrinding | - |
| Pocasset Machine, LLC Milling, Turning, Welding, Finishing | Pocasset, MA | MillingTurningWeldingFinishing | - |