| American Hollow Boring Co Milling, Turning, Grinding, Finishing · ISO 9001 | Erie, PA | MillingTurningGrindingFinishing | ISO 9001 |
| Cascade Precision Inc Milling, Turning, Finishing · ISO 9001, AS9100, ITAR | Boring, OR | MillingTurningFinishing | ISO 9001, AS9100, ITAR |
| 49 Precision LLC Milling, Grinding, Assembly | Annandale, VA | MillingGrindingAssembly | - |
| Crown Machine Inc Milling, Turning, Welding, EDM · ISO 9001 | Rockford, IL | MillingTurningWeldingEDM | ISO 9001 |
| Ewart-Ohlson Machine Company Milling, Turning, Bending · ISO 9001, AS9100 | Cuyahoga Falls, OH | MillingTurningBending | ISO 9001, AS9100 |
| Hahn Manufacturing Company Milling, Grinding · ISO 9001 | Cleveland, OH | MillingGrinding | ISO 9001 |
| L & R Machine Inc Milling, Turning, Grinding | Rancho Cucamonga, CA | MillingTurningGrinding | - |
| Machine-Tech Services, L.L.C Milling, Turning, Welding | Broussard, LA | MillingTurningWelding | - |
| New England CNC, Inc Milling, Finishing | Hamden, CT | MillingFinishing | - |
| Northern Machining & Repair, Inc Milling, Turning, Welding | Escanaba, MI | MillingTurningWelding | - |
| Proto Tool Company Inc Milling, Turning · ISO 9001 | Farmington Hills, MI | MillingTurning | ISO 9001 |
| Roller Technologies Co Milling, Turning, Welding, Finishing, Assembly | Upland, CA | MillingTurningWeldingFinishingAssembly | - |
| TCMS Inc Milling, Turning, Welding | Oklahoma City, OK | MillingTurningWelding | - |
| Weldcraft Products Milling, Welding, Grinding | Tipp City, OH | MillingWeldingGrinding | - |
| Withers Tool, Die & Manufacturing Company Milling, Turning, Welding, Casting, Grinding | Mableton, GA | MillingTurningWeldingCastingGrinding | - |