| Ascentec Engineering LLC Milling, Turning, Waterjet, EDM, Grinding | Tualatin, OR | MillingTurningWaterjetEDMGrinding | - |
| CV International, Inc Milling, Turning, Laser, Punching, Bending, Welding · ISO 9001 | Bend, OR | MillingTurningLaserPunchingBendingWelding | ISO 9001 |
| Hy-Speed Machining, Inc Milling, Turning, EDM | Grants Pass, OR | MillingTurningEDM | - |
| Interactive Manufacturing, Inc Milling, Turning, Waterjet, Welding, Finishing, Assembly | Central Point, OR | MillingTurningWaterjetWeldingFinishingAssembly | - |
| JC Custom Machining & Design Inc Milling, Turning, Welding, Grinding | Hillsboro, OR | MillingTurningWeldingGrinding | - |
| Machinable Innovations LLC Milling, Turning | Bend, OR | MillingTurning | - |
| Manutek Mfg LLC Milling, Turning, Waterjet · ITAR | Estacada, OR | MillingTurningWaterjet | ITAR |
| Mueller Machining LLC Milling, Turning, Laser, Bending, Grinding, Finishing | Salem, OR | MillingTurningLaserBendingGrindingFinishing | - |
| Oregon Screw Machine Products Milling, Turning | Portland, OR | MillingTurning | - |
| Outback Manufacturing Milling, Turning, Swiss · AS9100, ITAR | Bend, OR | MillingTurningSwiss | AS9100, ITAR |
| Precision Equipment Inc Milling, Turning, Grinding, Finishing | Portland, OR | MillingTurningGrindingFinishing | - |
| Prime Manufacturing LLC Milling, Turning, Swiss · ISO 9001, ITAR | Wilsonville, OR | MillingTurningSwiss | ISO 9001, ITAR |
| Swan Island Sheet Metal Works Turning, Bending, Laser, Welding | Portland, OR | TurningBendingLaserWelding | - |
| Western Precision Products Inc Milling, Turning, Swiss · AS9100 | Tualatin, OR | MillingTurningSwiss | AS9100 |