| Abbate Screw Products Inc Milling, Swiss, Grinding | Roselle, IL | MillingSwissGrinding | - |
| All-American Engineering & Manufacturing, Inc Milling, Turning, Welding, Stamping, EDM, Grinding, Finishing · ISO 9001 | Saint Paul, MN | MillingTurningWeldingStampingEDMGrindingFinishing | ISO 9001 |
| Delt Forge, Inc Milling, Turning, Welding, Forging, Grinding | Rose City, MI | MillingTurningWeldingForgingGrinding | - |
| Die Technology, Inc Milling, Turning, Swiss, Bending, Stamping, EDM, Grinding · ISO 9001, CMMC | Saint Michael, MN | MillingTurningSwissBendingStampingEDMGrinding | ISO 9001, CMMC |
| Harvey Vogel Manufacturing Co Milling, Turning, Laser, Waterjet, Punching, Bending, Welding, Stamping, EDM, Grinding, Finishing, Assembly · ISO 9001, AS9100 | Saint Paul, MN | MillingTurningLaserWaterjetPunchingBendingWeldingStampingEDMGrindingFinishingAssembly | ISO 9001, AS9100 |
| Lindor Tool, Inc Milling, Turning, Welding, Casting, Grinding | Saint Croix Falls, WI | MillingTurningWeldingCastingGrinding | - |
| Lowery's Job Shop Milling, Turning, Laser, Welding, Grinding, Finishing | Saint Louisville, OH | MillingTurningLaserWeldingGrindingFinishing | - |
| R & S Machining Inc Milling, Turning, Welding, EDM, Grinding · ISO 9001, AS9100 | Saint Louis, MO | MillingTurningWeldingEDMGrinding | ISO 9001, AS9100 |
| Reardon Machine Co Inc Milling, Turning, Welding, Stamping, EDM, Grinding | Saint Joseph, MO | MillingTurningWeldingStampingEDMGrinding | - |
| Riley Gear Grinding | Saint Augustine, FL | Grinding | - |
| Systems Powered Manufacturing, LLC Grinding, Finishing, Assembly | Saint Charles, IL | GrindingFinishingAssembly | - |