| Thermo-Craft Engineering Corp Milling, Turning, Waterjet, Punching, Bending, Welding, Grinding, Assembly | Lynn, MA | MillingTurningWaterjetPunchingBendingWeldingGrindingAssembly | - |
| Tri Angle Metal Fab Milling, Turning, Laser, Punching, Bending, Welding, EDM, Grinding, Assembly · NADCAP | Milton, VT | MillingTurningLaserPunchingBendingWeldingEDMGrindingAssembly | NADCAP |
| Vortex LLC Milling, Laser, Punching, Welding, EDM, Assembly | Peabody, MA | MillingLaserPunchingWeldingEDMAssembly | - |
| Allied Mechanical Milling, Turning, Bending, Welding, EDM, Grinding, Assembly | Ontario, CA | MillingTurningBendingWeldingEDMGrindingAssembly | - |
| American Metalcraft, Inc Waterjet, Punching, Bending, Welding, Finishing, Assembly | Villa Rica, GA | WaterjetPunchingBendingWeldingFinishingAssembly | - |
| Antron Engineering & Machine Co Inc Milling, Turning, Swiss, Welding, EDM, Assembly | Bellingham, MA | MillingTurningSwissWeldingEDMAssembly | - |
| Breakout Manufacturing, LLC Milling, Finishing, Assembly · ITAR, CMMC | Murphy, TX | MillingFinishingAssembly | ITAR, CMMC |
| C2 Machine, LLC Milling, Turning, EDM, Grinding, Assembly | Joelton, TN | MillingTurningEDMGrindingAssembly | - |
| Domaille Engineering, LLC Milling, Turning, Welding, EDM, Grinding, Assembly | Rochester, MN | MillingTurningWeldingEDMGrindingAssembly | - |
| Dominion Metallurgical Milling, Stamping, Casting, EDM, Grinding, Finishing, Assembly | Roanoke, VA | MillingStampingCastingEDMGrindingFinishingAssembly | - |
| Jaco Engineering Milling, Turning, Bending, Welding, EDM, Grinding, Finishing, Assembly · NADCAP | Anaheim, CA | MillingTurningBendingWeldingEDMGrindingFinishingAssembly | NADCAP |
| Krametech, Inc Milling, Finishing, Assembly | Lake Zurich, IL | MillingFinishingAssembly | - |
| Lektron Inc Milling, EDM, Assembly | Hartselle, AL | MillingEDMAssembly | - |
| Lincoln Tool & Machine Corp Milling, Assembly | Hudson, MA | MillingAssembly | - |
| Milton Manufacturing, Inc Turning, Bending, Welding, Stamping, Assembly · ITAR | Detroit, MI | TurningBendingWeldingStampingAssembly | ITAR |
| Multi-Machining Co Inc Milling, Turning, Finishing, Assembly | Greenville, TX | MillingTurningFinishingAssembly | - |
| Numericraft, Inc Milling, Turning, Finishing, Assembly | Tucson, AZ | MillingTurningFinishingAssembly | - |
| R. A. Zweig, Inc Milling, Swiss, Finishing, Assembly | Glenview, IL | MillingSwissFinishingAssembly | - |
| Rapid Prototyping & Engineering, Inc Milling, Turning, Waterjet, Welding, EDM, Assembly | Franklin, IN | MillingTurningWaterjetWeldingEDMAssembly | - |
| Riff Machine Milling, Turning, Assembly | Gainesville, MO | MillingTurningAssembly | - |
| The Flinchbaugh Company, Inc Milling, Turning, Welding, EDM, Grinding, Finishing, Assembly | Manchester, PA | MillingTurningWeldingEDMGrindingFinishingAssembly | - |
| Valley Tool and Manufacturing LLC Milling, Turning, Waterjet, Bending, Welding, EDM, Assembly · NADCAP | Milford, CT | MillingTurningWaterjetBendingWeldingEDMAssembly | NADCAP |
| Viewpoint Manufacturing, LLC Milling, Laser, Punching, Welding, EDM, Assembly | Houston, TX | MillingLaserPunchingWeldingEDMAssembly | - |
| W.C. Machine and Tool, Inc Milling, Waterjet, Punching, Welding, EDM, Grinding, Assembly | Chandler, AZ | MillingWaterjetPunchingWeldingEDMGrindingAssembly | - |
| 3dcam International Corp Milling, Casting, Assembly | Chatsworth, CA | MillingCastingAssembly | - |
| Abwey Machine & Die Co Inc Milling, Grinding, Assembly | Pembroke, MA | MillingGrindingAssembly | - |
| Allied Chucker and Engineering Company Milling, Turning, Grinding, Assembly | Jackson, MI | MillingTurningGrindingAssembly | - |
| Arrow Automotive Milling, Turning, Grinding, Assembly · IATF 16949 | Grand Rapids, MI | MillingTurningGrindingAssembly | IATF 16949 |
| Athena Manufacturing LP Milling, Assembly · ITAR | Austin, TX | MillingAssembly | ITAR |
| Brek Manufacturing Co Milling, Assembly | Gardena, CA | MillingAssembly | - |
| C and C Machining LLC Milling, Turning, Assembly | Fort Worth, TX | MillingTurningAssembly | - |
| Hub Pattern Corp Milling, Turning, Waterjet, EDM, Grinding, Assembly | Roanoke, VA | MillingTurningWaterjetEDMGrindingAssembly | - |
| JMT Machine Company Milling, Turning, Assembly | Huntingdon Valley, PA | MillingTurningAssembly | - |
| LZ Machine LLC Milling, Turning, Assembly | Eureka, IL | MillingTurningAssembly | - |
| Olympic Tool & Machine Corp Milling, Grinding, Assembly | Aston, PA | MillingGrindingAssembly | - |
| R&D Machine LLC Milling, Assembly | Murrieta, CA | MillingAssembly | - |
| Raloid Tool Co., Inc Assembly | Mechanicville, NY | Assembly | - |
| Torq Manufacturing Milling, Turning, Assembly | Ogden, UT | MillingTurningAssembly | - |
| Vanguard Manufacturing Company LLC Finishing, Assembly · NADCAP | Gainesville, TX | FinishingAssembly | NADCAP |
| WDW Machine Inc Milling, Turning, Grinding, Assembly | Hampstead, NH | MillingTurningGrindingAssembly | - |