| Quality Metal Finishing Corporation Finishing · ISO 9001 | Paterson, NJ | Finishing | ISO 9001 |
| R & M Machine Shop, Inc Milling, Turning, Welding, EDM, Finishing · ISO 9001, ITAR | Fyffe, AL | MillingTurningWeldingEDMFinishing | ISO 9001, ITAR |
| A B & F Sheet Metal Products Inc Milling, Turning, Waterjet, Bending, Welding, Finishing · AS9100, ITAR | Cheshire, CT | MillingTurningWaterjetBendingWeldingFinishing | AS9100, ITAR |
| A-W Airflo Industries, Inc Laser, Punching, Bending, Finishing | Newburyport, MA | LaserPunchingBendingFinishing | - |
| A.k. Stamping Co., Inc Milling, Welding, Stamping, EDM, Finishing | Mountainside, NJ | MillingWeldingStampingEDMFinishing | - |
| Abco Bar and Tube Cutting Service, Inc Milling, Turning, Grinding, Finishing | Maineville, OH | MillingTurningGrindingFinishing | - |
| Accrotool, Inc Milling, Turning, Laser, Punching, Bending, Welding, Stamping, Finishing, Assembly | New Kensington, PA | MillingTurningLaserPunchingBendingWeldingStampingFinishingAssembly | - |
| Accuform Precision LLC Milling, Casting, Finishing | Youngstown, OH | MillingCastingFinishing | - |
| Active Solutions, L.L.C Milling, Turning, Waterjet, Bending, Welding, Finishing, Assembly · AS9100 | Chandler, AZ | MillingTurningWaterjetBendingWeldingFinishingAssembly | AS9100 |
| Actron Entities Laser, Welding, Finishing · AS9100, ITAR, NADCAP | Clearwater, FL | LaserWeldingFinishing | AS9100, ITAR, NADCAP |
| Advance Metal Fabrication Mach Turning, Laser, Punching, Bending, Welding, Stamping, Finishing | Prescott, AZ | TurningLaserPunchingBendingWeldingStampingFinishing | - |
| Advance Screw Products, Inc Turning, Swiss, Grinding, Finishing | St. Francis, WI | TurningSwissGrindingFinishing | - |
| Advanced Precision Machining, Inc Milling, Welding, EDM, Finishing · AS9100 | Garden City, ID | MillingWeldingEDMFinishing | AS9100 |
| Advantage Metal Products, Inc Milling, Bending, Finishing, Assembly · ITAR | Livermore, CA | MillingBendingFinishingAssembly | ITAR |
| Aero Component Repair, LLC Welding, Grinding, Finishing | Durant, OK | WeldingGrindingFinishing | - |
| Aero-Mach Precision LLC Milling, Turning, Welding, Finishing | Mesa, AZ | MillingTurningWeldingFinishing | - |
| Aerodynamics Finishing · NADCAP | Seabrook, NH | Finishing | NADCAP |
| Aerohead Inc Milling, Finishing · AS9100, ITAR, CMMC | Crestview, FL | MillingFinishing | AS9100, ITAR, CMMC |
| Aerospace Laser Cleaning Welding, Grinding, Finishing · AS9100, ITAR, NADCAP | Monument, CO | WeldingGrindingFinishing | AS9100, ITAR, NADCAP |
| Affiliated Energy Products, Inc Milling, Turning, Welding, Stamping, Finishing | Iowa Park, TX | MillingTurningWeldingStampingFinishing | - |
| Agi Corporation Milling, Turning, Welding, EDM, Finishing | Huntsville, AL | MillingTurningWeldingEDMFinishing | - |
| Airtec Corp Laser, Punching, Bending, Welding, Grinding, Finishing | Detroit, MI | LaserPunchingBendingWeldingGrindingFinishing | - |
| Albion Machine and Tool LLC Milling, Turning, Laser, Welding, Grinding, Finishing | Albion, MI | MillingTurningLaserWeldingGrindingFinishing | - |
| Alpha Foundry Co Milling, Turning, Casting, Finishing | Wright City, MO | MillingTurningCastingFinishing | - |
| American Precision Industries, Inc Milling, Turning, Laser, Bending, Welding, Finishing | Hillsboro, OR | MillingTurningLaserBendingWeldingFinishing | - |
| American Precision Tool & Engineering, Inc Milling, Turning, Swiss, Welding, Grinding, Finishing | Pacoima, CA | MillingTurningSwissWeldingGrindingFinishing | - |
| Ap Precision Machine Inc Milling, Turning, Waterjet, Finishing | Holliston, MA | MillingTurningWaterjetFinishing | - |
| Apex Engineered Products Milling, Turning, Waterjet, Welding, Finishing | Clark, PA | MillingTurningWaterjetWeldingFinishing | - |
| Apogee CNC Inc Milling, Welding, Grinding, Finishing · ITAR | Dexter, MI | MillingWeldingGrindingFinishing | ITAR |
| Armor Contract Manufacturing Inc Welding, Stamping, Finishing | Elkhart, IN | WeldingStampingFinishing | - |
| Ascend Mfg Corp Milling, Laser, Welding, Stamping, Finishing | Anaheim, CA | MillingLaserWeldingStampingFinishing | - |
| Asko Processing Inc Turning, Grinding, Finishing | Seattle, WA | TurningGrindingFinishing | - |
| Astro Machine & Tool Work Milling, Turning, Finishing | Tyler, TX | MillingTurningFinishing | - |
| Atmosphere Machining LLC Milling, Turning, Waterjet, Welding, Finishing · ITAR | Tehachapi, CA | MillingTurningWaterjetWeldingFinishing | ITAR |
| Autopilot Inc Milling, Turning, Finishing | Bozeman, MT | MillingTurningFinishing | - |
| Axton Robotics LLC Milling, Turning, Finishing | San Diego, CA | MillingTurningFinishing | - |
| Aztec Plastic Company Welding, Stamping, Grinding, Finishing, Assembly | Chicago, IL | WeldingStampingGrindingFinishingAssembly | - |
| B & B Manufacturing Co, Inc Laser, Bending, Welding, Finishing | Forest Hill, MD | LaserBendingWeldingFinishing | - |
| B & W Machine Works, Inc Milling, Turning, Swiss, Grinding, Finishing · AS9100, NADCAP | Perkasie, PA | MillingTurningSwissGrindingFinishing | AS9100, NADCAP |
| Babbitt Bearing Co Inc Welding, Grinding, Finishing | San Jose, CA | WeldingGrindingFinishing | - |
| Bedford Machine & Tool Inc Milling, Turning, Welding, Casting, Finishing | Bedford, IN | MillingTurningWeldingCastingFinishing | - |
| Bennett Manufacturing Company, Inc Laser, Welding, Finishing | Alden, NY | LaserWeldingFinishing | - |
| Billet Studio LLC Finishing | Round Rock, TX | Finishing | - |
| Bishop Aerospace LLC Milling, Turning, Swiss, Finishing | Aledo, TX | MillingTurningSwissFinishing | - |
| Blue Ridge Machine Works Inc Milling, Turning, Waterjet, Welding, Grinding, Finishing | Verona, VA | MillingTurningWaterjetWeldingGrindingFinishing | - |
| Boniface Tool & Die Inc Milling, Turning, Waterjet, Stamping, Grinding, Finishing | Dudley, MA | MillingTurningWaterjetStampingGrindingFinishing | - |
| Breakout Manufacturing, LLC Milling, Finishing, Assembly · ITAR, CMMC | Murphy, TX | MillingFinishingAssembly | ITAR, CMMC |
| Britech Electropolishing Inc Welding, Finishing | Newark, CA | WeldingFinishing | - |
| Brooks Industrial, LLC Milling, Grinding, Finishing | North Attleboro, MA | MillingGrindingFinishing | - |
| Broomfield Sheet Metal Inc Welding, Finishing | Lafayette, CO | WeldingFinishing | - |