| Metalcrafters, Inc Stamping, Assembly · ISO 9001, ITAR | Methuen, MA | StampingAssembly | ISO 9001, ITAR |
| Millrite Machine Inc Turning, Assembly · ISO 9001 | Westfield, MA | TurningAssembly | ISO 9001 |
| Richards Design, Inc Milling, Turning, Welding, EDM, Assembly · ISO 9001 | East Falmouth, MA | MillingTurningWeldingEDMAssembly | ISO 9001 |
| Russard Inc Milling, Turning · ISO 9001 | Rockland, MA | MillingTurning | ISO 9001 |
| Wirefab Inc. Bending, Laser, Welding · ISO 9001 | Worcester, MA | BendingLaserWelding | ISO 9001 |
| Electronic Sheet Metal Craftsm Milling, Turning, Laser, Punching, Bending, Welding, Grinding, Assembly | Stoughton, MA | MillingTurningLaserPunchingBendingWeldingGrindingAssembly | - |
| Fairview Machine Co Inc Milling, Turning, EDM, Assembly | Topsfield, MA | MillingTurningEDMAssembly | - |
| Fitz Machine Waterjet, EDM, Stamping · ISO 9001, ITAR | Wakefield, MA | WaterjetEDMStamping | ISO 9001, ITAR |
| Trilap Precision Finishing, LLC Grinding · ITAR | Lowell, MA | Grinding | ITAR |
| Universal Machine & Design Corporation Milling, Grinding | Fitchburg, MA | MillingGrinding | - |
| Classic Engineering, LLC Milling, Turning, Waterjet, Welding, Finishing | Gloucester, MA | MillingTurningWaterjetWeldingFinishing | - |
| SX Industries, Inc Casting, Finishing | Stoughton, MA | CastingFinishing | - |
| D & D Manufacturing LLC Milling, Turning, Grinding | Ipswich, MA | MillingTurningGrinding | - |
| Deuterium Ims LLC Welding | Attleboro, MA | Welding | - |
| Gill Metal Fab Inc Welding | Brockton, MA | Welding | - |
| Hillside Engineering, Inc Milling, Turning, Grinding, Assembly | Danvers, MA | MillingTurningGrindingAssembly | - |
| Jetfab LLC Milling, Turning, Laser, Waterjet, Punching, Bending, Welding | Lowell, MA | MillingTurningLaserWaterjetPunchingBendingWelding | - |
| Prematech, LLC Grinding | Worcester, MA | Grinding | - |
| S&H Engineering, Inc Milling · ITAR | Chelmsford, MA | Milling | ITAR |
| Van - Wal Machine, Inc Milling, Turning, Grinding | Bellingham, MA | MillingTurningGrinding | - |
| Weiss Sheet Metal Laser, Waterjet, Punching, Welding | Avon, MA | LaserWaterjetPunchingWelding | - |
| Franklin Sheet Metal, LLC Milling, Laser, Waterjet, Punching, Bending, Welding, Grinding, Finishing · ITAR | Franklin, MA | MillingLaserWaterjetPunchingBendingWeldingGrindingFinishing | ITAR |
| Axis CNC Inc Milling | Ware, MA | Milling | - |