| Tyr Manufacturing LLC Milling, Turning · ISO 9001, ITAR, CMMC | Sedgwick, KS | MillingTurning | ISO 9001, ITAR, CMMC |
| United Machine & Metal Fab Inc Milling, Turning, EDM, Grinding | Conover, NC | MillingTurningEDMGrinding | - |
| Universal Machine & Tool, Inc Milling, Turning, Laser, Waterjet, Bending, Welding, EDM, Grinding | Kingsport, TN | MillingTurningLaserWaterjetBendingWeldingEDMGrinding | - |
| US Aluminum Castings Milling, Turning, Casting, Grinding, Finishing, Assembly · ISO 9001, ITAR, NADCAP, IATF 16949 | Entiat, WA | MillingTurningCastingGrindingFinishingAssembly | ISO 9001, ITAR, NADCAP, IATF 16949 |
| V.e.p. Manufacturing Inc Milling, Turning, Welding, Grinding · ISO 9001 | Jackson, NJ | MillingTurningWeldingGrinding | ISO 9001 |
| Vantage Manufacturing & Assembly LLC Milling, Turning, Laser, Welding, Assembly | Poughkeepsie, NY | MillingTurningLaserWeldingAssembly | - |
| Vision Aerospace LLC Milling, Turning, EDM · AS9100 | Northridge, CA | MillingTurningEDM | AS9100 |
| Wagler Competition Products LLC Waterjet, Grinding | Odon, IN | WaterjetGrinding | - |
| West Michigan Precision Machining Milling, Turning, Bending · ISO 9001, AS9100, ITAR | Walker, MI | MillingTurningBending | ISO 9001, AS9100, ITAR |
| Western Industrial Machining Inc Milling, Laser, Welding, Assembly | Hampstead, MD | MillingLaserWeldingAssembly | - |
| Western Metal Works Inc Milling, Waterjet, Welding | Albuquerque, NM | MillingWaterjetWelding | - |
| Whalley Precision Inc Milling, Turning, Welding, Grinding, Finishing, Assembly · ISO 9001, ITAR, CMMC | Southwick, MA | MillingTurningWeldingGrindingFinishingAssembly | ISO 9001, ITAR, CMMC |
| Whi Global, LLC Milling, Turning, Forging, Assembly · ISO 9001, ITAR, NADCAP | Tulsa, OK | MillingTurningForgingAssembly | ISO 9001, ITAR, NADCAP |
| Whitworth Tool Holdings LLC Milling, Turning, Stamping · ISO 9001, ITAR | Hardinsburg, KY | MillingTurningStamping | ISO 9001, ITAR |
| Williams Engineering LLC Milling, Turning, Welding | Cincinnati, OH | MillingTurningWelding | - |
| Wolverine Bronze Co Welding, Casting | Roseville, MI | WeldingCasting | - |
| Yampa Precision Manufacturing, Inc Milling, Turning, Swiss, EDM · ISO 9001, AS9100 | Prescott Valley, AZ | MillingTurningSwissEDM | ISO 9001, AS9100 |
| ZI Machine Milling, Turning · ISO 9001, AS9100, ITAR | El Dorado Hills, CA | MillingTurning | ISO 9001, AS9100, ITAR |