| Kent Machine Milling, EDM, Grinding | Indianapolis, IN | MillingEDMGrinding | - |
| Kentucky Machine & Tool Co Milling, Turning, Waterjet, Welding, Grinding | Louisville, KY | MillingTurningWaterjetWeldingGrinding | - |
| Boyce Machine Milling, Turning, Welding | Kent, OH | MillingTurningWelding | - |
| C2 Machining Milling, Welding · ITAR | Kentwood, MI | MillingWelding | ITAR |
| Copen Machine, Inc Milling, Turning, Swiss, Welding, Grinding · ISO 9001 | Kent, OH | MillingTurningSwissWeldingGrinding | ISO 9001 |
| Front Panel Express LLC Milling, Finishing | Kent, WA | MillingFinishing | - |
| Multi-Axis Technologies LLC Milling, Turning | Kent, WA | MillingTurning | - |
| Three Sigma Manufacturing, Inc Milling, Turning, Welding, EDM, Grinding | Kent, WA | MillingTurningWeldingEDMGrinding | - |
| Limestone Manufacturing LLC Milling, Turning, Laser, Bending, Welding, Metal AM, EDM, Grinding · ISO 9001, AS9100 | Somerset, KY | MillingTurningLaserBendingWeldingMetal AMEDMGrinding | ISO 9001, AS9100 |
| SKP Machine Enterprises LLC Milling, Turning | Monticello, KY | MillingTurning | - |
| Toolco Inc Milling, Turning, Welding, Stamping, EDM, Grinding | Owensboro, KY | MillingTurningWeldingStampingEDMGrinding | - |