| Hillco Contracting LLC Milling, Turning, Welding, Grinding | Bates City, MO | MillingTurningWeldingGrinding | - |
| Hillside Engineering, Inc Milling, Turning, Grinding, Assembly | Danvers, MA | MillingTurningGrindingAssembly | - |
| Davis Tool Inc Milling, Turning, Laser, Waterjet, Punching, Bending, Welding, EDM, Grinding, Finishing, Assembly · ISO 9001, AS9100, ITAR, NADCAP | Hillsboro, OR | MillingTurningLaserWaterjetPunchingBendingWeldingEDMGrindingFinishingAssembly | ISO 9001, AS9100, ITAR, NADCAP |
| Dexter Design & Development Co Milling, Turning, EDM, Grinding, Assembly · ISO 9001 | Hillsboro, OR | MillingTurningEDMGrindingAssembly | ISO 9001 |
| Highline Tool Inc Milling, Turning, Swiss, Grinding | Hillsboro, OR | MillingTurningSwissGrinding | - |
| James Tool Machine & Engineering Inc Milling, Turning, Welding, EDM, Grinding, Finishing · ISO 9001, AS9100 | Morganton, NC | MillingTurningWeldingEDMGrindingFinishing | ISO 9001, AS9100 |
| JC Custom Machining & Design Inc Milling, Turning, Welding, Grinding | Hillsboro, OR | MillingTurningWeldingGrinding | - |
| Toner Machining Technologies Inc Milling, Turning, Waterjet, Punching, Bending, Welding, EDM, Grinding | Morganton, NC | MillingTurningWaterjetPunchingBendingWeldingEDMGrinding | - |
| Windmill Hill Manufacturing, LLC Milling, Turning, Waterjet, Welding, Grinding | Tully, NY | MillingTurningWaterjetWeldingGrinding | - |