| True Precision Machining, Inc Milling, Turning, Swiss, Welding, Stamping, EDM, Grinding, Finishing · ISO 9001, AS9100, ITAR, CMMC | Buellton, CA | MillingTurningSwissWeldingStampingEDMGrindingFinishing | ISO 9001, AS9100, ITAR, CMMC |
| U.m.c., Inc Milling, Turning, Welding, Stamping, EDM, Grinding, Finishing · ISO 9001, ITAR, ISO 13485 | Monticello, MN | MillingTurningWeldingStampingEDMGrindingFinishing | ISO 9001, ITAR, ISO 13485 |
| Uct Coatings Inc Welding, Finishing · ISO 9001, AS9100, NADCAP | Palm City, FL | WeldingFinishing | ISO 9001, AS9100, NADCAP |
| Ultra Tool and Mfg., Inc Milling, Turning, Laser, Bending, Welding, Stamping, EDM, Finishing · ISO 9001, ITAR | Germantown, WI | MillingTurningLaserBendingWeldingStampingEDMFinishing | ISO 9001, ITAR |
| Unit Drop Forge Co Inc Milling, Welding, Forging, Finishing | Milwaukee, WI | MillingWeldingForgingFinishing | - |
| United Machining Service Inc Milling, Turning, Welding, Stamping, Finishing, Assembly · ISO 9001 | Orlando, FL | MillingTurningWeldingStampingFinishingAssembly | ISO 9001 |
| United Metal Fabricators, Inc Milling, Turning, Laser, Waterjet, Bending, Welding, Finishing, Assembly | Worcester, MA | MillingTurningLaserWaterjetBendingWeldingFinishingAssembly | - |
| United Sheetmetal Inc Laser, Punching, Welding, Stamping, Casting, EDM, Finishing · ISO 9001 | Fremont, CA | LaserPunchingWeldingStampingCastingEDMFinishing | ISO 9001 |
| Valley Precision Inc Milling, Laser, Punching, Bending, Welding, Finishing · ISO 9001 | Waynesboro, VA | MillingLaserPunchingBendingWeldingFinishing | ISO 9001 |
| Vfi Fabrication LLC Laser, Punching, Welding, Finishing | Williamstown, NJ | LaserPunchingWeldingFinishing | - |
| Vicon Precision, Ltd. Liability Co Milling, Turning, Welding, Finishing, Assembly · ISO 9001 | San Jose, CA | MillingTurningWeldingFinishingAssembly | ISO 9001 |
| Vista Industries, Inc Welding, Finishing | Palmdale, CA | WeldingFinishing | - |
| VMC Precision LLC Milling, Welding, Finishing | Kansas City, MO | MillingWeldingFinishing | - |
| Volkert Precision Technologies Inc Punching, Bending, Welding, Stamping, EDM, Finishing, Assembly · ISO 9001 | Queens Village, NY | PunchingBendingWeldingStampingEDMFinishingAssembly | ISO 9001 |
| Vulcan Engineering & Manf Milling, Turning, Laser, Punching, Bending, Welding, Grinding, Finishing | Waldorf, MD | MillingTurningLaserPunchingBendingWeldingGrindingFinishing | - |
| VVK Inc Milling, Turning, Punching, Welding, Finishing, Assembly · ISO 9001, ITAR | Glenmont, NY | MillingTurningPunchingWeldingFinishingAssembly | ISO 9001, ITAR |
| Walco Tool & Engineering Corp Milling, Turning, Welding, Grinding, Finishing · ISO 9001 | Romeoville, IL | MillingTurningWeldingGrindingFinishing | ISO 9001 |
| Wallabys Fabrications LLC Punching, Bending, Welding, Finishing | Fort Pierce, FL | PunchingBendingWeldingFinishing | - |
| Ward's Manufacturing LLC Laser, Bending, Welding, Finishing | Warren, RI | LaserBendingWeldingFinishing | - |
| Whalley Precision Inc Milling, Turning, Welding, Grinding, Finishing, Assembly · ISO 9001, ITAR, CMMC | Southwick, MA | MillingTurningWeldingGrindingFinishingAssembly | ISO 9001, ITAR, CMMC |
| Withers Manufacturing, Inc Milling, Turning, Welding, Finishing | Tulsa, OK | MillingTurningWeldingFinishing | - |
| Wolverine Machine Products Company Milling, Turning, Waterjet, Welding, Grinding, Finishing · ISO 9001 | Holly, MI | MillingTurningWaterjetWeldingGrindingFinishing | ISO 9001 |
| 3D Design & Manufacturing LLC Milling, Waterjet, Welding, EDM, Grinding, Finishing · ISO 9001 | Powhatan, VA | MillingWaterjetWeldingEDMGrindingFinishing | ISO 9001 |
| 3DX Industries Inc Milling, Turning, Swiss, Metal AM, Finishing, Assembly | Ferndale, WA | MillingTurningSwissMetal AMFinishingAssembly | - |
| 4-M Precision Industries Inc Milling, Turning, Laser, Bending, Welding, Stamping, Finishing · ISO 9001 | Auburn, NY | MillingTurningLaserBendingWeldingStampingFinishing | ISO 9001 |
| 4TH Axis Machine & Design Inc Milling, Turning, Laser, Finishing · ISO 9001 | Albertville, MN | MillingTurningLaserFinishing | ISO 9001 |
| A.k. Stamping Co., Inc Milling, Welding, Stamping, EDM, Finishing | Mountainside, NJ | MillingWeldingStampingEDMFinishing | - |
| Able Craft Fabrications, Inc Milling, Turning, Finishing, Assembly · ISO 9001 | Hopkins, MN | MillingTurningFinishingAssembly | ISO 9001 |
| Abston Machine Shop Inc Milling, Turning, Finishing · ISO 9001, ITAR | Taft, TN | MillingTurningFinishing | ISO 9001, ITAR |
| Accu Fab Inc Milling, Turning, Waterjet, Bending, Welding, Finishing | Chandler, AZ | MillingTurningWaterjetBendingWeldingFinishing | - |
| Accubeam Laser Marking Inc Laser, Bending, Grinding, Finishing · ISO 9001 | Sarasota, FL | LaserBendingGrindingFinishing | ISO 9001 |
| Actron Entities Laser, Welding, Finishing · AS9100, ITAR, NADCAP | Clearwater, FL | LaserWeldingFinishing | AS9100, ITAR, NADCAP |
| Ads Finishing LLC Waterjet, Welding, Finishing | Tucson, AZ | WaterjetWeldingFinishing | - |
| Advance Screw Products, Inc Turning, Swiss, Grinding, Finishing | St. Francis, WI | TurningSwissGrindingFinishing | - |
| Advanced Machine Inc Milling, Turning, Welding, EDM, Grinding, Finishing, Assembly · ISO 9001, AS9100, ITAR, ISO 13485 | Winchester, TN | MillingTurningWeldingEDMGrindingFinishingAssembly | ISO 9001, AS9100, ITAR, ISO 13485 |
| Advanced Plating Technologies Welding, Finishing · ISO 9001, ITAR, ISO 13485 | Milwaukee, WI | WeldingFinishing | ISO 9001, ITAR, ISO 13485 |
| Advanced Technical Finishing, LLC Finishing · ISO 9001, NADCAP | Huntsville, AL | Finishing | ISO 9001, NADCAP |
| Aerodynamics Finishing · NADCAP | Seabrook, NH | Finishing | NADCAP |
| Aerohead Inc Milling, Finishing · AS9100, ITAR, CMMC | Crestview, FL | MillingFinishing | AS9100, ITAR, CMMC |
| Aeroparts Fabricating & Machining Inc Milling, Punching, Bending, Finishing · ISO 9001, AS9100, NADCAP | Nicktown, PA | MillingPunchingBendingFinishing | ISO 9001, AS9100, NADCAP |
| Affiliated Energy Products, Inc Milling, Turning, Welding, Stamping, Finishing | Iowa Park, TX | MillingTurningWeldingStampingFinishing | - |
| Agile Engineering & Manufacturing LLC Milling, Turning, Welding, EDM, Grinding, Finishing | Indianapolis, IN | MillingTurningWeldingEDMGrindingFinishing | - |
| Air-Way Manufacturing Company Finishing · ISO 9001 | Olivet, MI | Finishing | ISO 9001 |
| Airtec Corp Laser, Punching, Bending, Welding, Grinding, Finishing | Detroit, MI | LaserPunchingBendingWeldingGrindingFinishing | - |
| Alanson Mfg L.L.C Turning, Finishing · ISO 9001, ITAR | Chicago, IL | TurningFinishing | ISO 9001, ITAR |
| ALC Engineered Solutions Company Milling, Turning, Swiss, EDM, Finishing · ISO 9001 | Lockwood, MO | MillingTurningSwissEDMFinishing | ISO 9001 |
| Alexander Industries USA LLC Milling, Turning, Welding, Finishing, Assembly | Grand Rapids, MI | MillingTurningWeldingFinishingAssembly | - |
| All Time Machine Inc Milling, Turning, Finishing · AS9100 | Ontario, CA | MillingTurningFinishing | AS9100 |
| Allied Industrial Machine Services Inc Milling, Turning, Welding, Grinding, Finishing | Falls Church, VA | MillingTurningWeldingGrindingFinishing | - |
| Alpha Foundry Co Milling, Turning, Casting, Finishing | Wright City, MO | MillingTurningCastingFinishing | - |