| Midwest Precision Machining Milling, Turning, Swiss, Grinding, Finishing · AS9100, NADCAP | Monticello, MN | MillingTurningSwissGrindingFinishing | AS9100, NADCAP |
| Modern Machine Works Milling, Turning, Welding, EDM, Grinding, Finishing | Albany, OR | MillingTurningWeldingEDMGrindingFinishing | - |
| New Brunswick Plating Inc Milling, Casting, Finishing · ISO 9001, AS9100, NADCAP | New Brunswick, NJ | MillingCastingFinishing | ISO 9001, AS9100, NADCAP |
| New England Foundry LLC Milling, Bending, Welding, Stamping, Casting, EDM, Grinding, Finishing · ISO 9001 | Taunton, MA | MillingBendingWeldingStampingCastingEDMGrindingFinishing | ISO 9001 |
| New London Precision Instruments Inc Milling, Waterjet, EDM, Grinding, Finishing | New Market, MD | MillingWaterjetEDMGrindingFinishing | - |
| New Tech Metals Milling, Turning, Laser, Punching, Bending, Welding, Stamping, Finishing, Assembly · ISO 9001, AS9100, ITAR, IATF 16949, CMMC | Green Bay, WI | MillingTurningLaserPunchingBendingWeldingStampingFinishingAssembly | ISO 9001, AS9100, ITAR, IATF 16949, CMMC |
| Seconn Fabrication LLC Laser, Punching, Bending, Welding, Finishing | Waterford, CT | LaserPunchingBendingWeldingFinishing | - |
| Service Metal Fabricators Inc Milling, Punching, Bending, Welding, Stamping, Grinding, Finishing, Assembly | Williamsburg, VA | MillingPunchingBendingWeldingStampingGrindingFinishingAssembly | - |
| Southwest Precision Machining, L.L.C Milling, Turning, Swiss, Welding, Finishing | Tucson, AZ | MillingTurningSwissWeldingFinishing | - |
| Tek Additions LLC Finishing | Wilmington, NC | Finishing | - |
| Astro Machine & Tool Work Milling, Turning, Finishing | Tyler, TX | MillingTurningFinishing | - |
| Mico Welding & Machining, Inc Milling, Turning, Welding, Finishing | Nine Mile Falls, WA | MillingTurningWeldingFinishing | - |
| Netzer Metalworks, LLC Milling, Punching, Bending, Welding, Finishing, Assembly · NADCAP | Essex, MD | MillingPunchingBendingWeldingFinishingAssembly | NADCAP |
| Pricewalker Inc Milling, Bending, Welding, Grinding, Finishing, Assembly | North Chesterfield, VA | MillingBendingWeldingGrindingFinishingAssembly | - |
| Sequoia Machine Works LLC Milling, Turning, Laser, Punching, Welding, Finishing | Sandy, OR | MillingTurningLaserPunchingWeldingFinishing | - |
| Brantley R Lingerfelt Milling, Turning, Finishing | Carnesville, GA | MillingTurningFinishing | - |
| Compucraft Fabricators Inc Milling, Turning, Laser, Punching, Bending, Welding, Grinding, Finishing · ISO 9001, ITAR | Montgomeryville, PA | MillingTurningLaserPunchingBendingWeldingGrindingFinishing | ISO 9001, ITAR |
| Horizon Tech Industries Inc Milling, Turning, Swiss, Finishing | Fort Worth, TX | MillingTurningSwissFinishing | - |
| Steel-Craft Corp. of Hartford Milling, Laser, Punching, Bending, Welding, Stamping, Finishing | Hartford, WI | MillingLaserPunchingBendingWeldingStampingFinishing | - |
| Irvin Industrial LLC Finishing | Ennis, TX | Finishing | - |
| 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 Flutes Machining, LLC Milling, Turning, Laser, Waterjet, Finishing · ITAR | Vicksburg, MI | MillingTurningLaserWaterjetFinishing | ITAR |
| 4-M Precision Industries Inc Milling, Turning, Laser, Bending, Welding, Stamping, Finishing · ISO 9001 | Auburn, NY | MillingTurningLaserBendingWeldingStampingFinishing | ISO 9001 |
| 4K Machining Milling, Casting, Finishing · ITAR | Elizabeth, CO | MillingCastingFinishing | ITAR |
| 4TH Axis Machine & Design Inc Milling, Turning, Laser, Finishing · ISO 9001 | Albertville, MN | MillingTurningLaserFinishing | ISO 9001 |
| A B & F Sheet Metal Products Inc Milling, Turning, Waterjet, Bending, Welding, Finishing · AS9100, ITAR | Cheshire, CT | MillingTurningWaterjetBendingWeldingFinishing | AS9100, ITAR |
| A.k. Stamping Co., Inc Milling, Welding, Stamping, EDM, Finishing | Mountainside, NJ | MillingWeldingStampingEDMFinishing | - |
| A.m.i. Engineering Co LLC Milling, Turning, Finishing · ISO 9001, ITAR | Santa Ana, CA | MillingTurningFinishing | ISO 9001, ITAR |
| A.r.e. Manufacturing, Inc Milling, Turning, Swiss, Laser, Bending, Welding, EDM, Grinding, Finishing · ISO 9001 | Newberg, OR | MillingTurningSwissLaserBendingWeldingEDMGrindingFinishing | ISO 9001 |
| AAT Omega, LLC Milling, Turning, Laser, Punching, Bending, Welding, EDM, Grinding, Finishing, Assembly · ISO 9001, AS9100, ITAR, NADCAP | Keystone Heights, FL | MillingTurningLaserPunchingBendingWeldingEDMGrindingFinishingAssembly | ISO 9001, AS9100, ITAR, NADCAP |
| Able Craft Fabrications, Inc Milling, Turning, Finishing, Assembly · ISO 9001 | Hopkins, MN | MillingTurningFinishingAssembly | ISO 9001 |
| Accu Fab Inc Milling, Turning, Waterjet, Bending, Welding, Finishing | Chandler, AZ | MillingTurningWaterjetBendingWeldingFinishing | - |
| Accu-Grind & Mfg. Co. Inc Milling, Turning, Welding, Grinding, Finishing · ISO 9001 | Dayton, OH | MillingTurningWeldingGrindingFinishing | ISO 9001 |
| 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 |
| Ads Finishing LLC Waterjet, Welding, Finishing | Tucson, AZ | WaterjetWeldingFinishing | - |
| Advanced Fabrication Technology Laser, Punching, Welding, Finishing, Assembly · ISO 9001 | Hayward, CA | LaserPunchingWeldingFinishingAssembly | ISO 9001 |
| Advanced Machining & Tooling, LLC Milling, Turning, Welding, Stamping, EDM, Grinding, Finishing · ISO 9001 | Salisbury, NC | MillingTurningWeldingStampingEDMGrindingFinishing | ISO 9001 |
| Advanced Metals Machining LLC Milling, Finishing | Olyphant, PA | MillingFinishing | - |
| Advanced Plating Technologies Welding, Finishing · ISO 9001, ITAR, ISO 13485 | Milwaukee, WI | WeldingFinishing | ISO 9001, ITAR, ISO 13485 |
| Advanced Precision Machining, Inc Milling, Welding, EDM, Finishing · AS9100 | Garden City, ID | MillingWeldingEDMFinishing | AS9100 |
| Advanced Thrtical Concepts Inc Milling, Turning, Swiss, Laser, Waterjet, Welding, Grinding, Finishing | Camarillo, CA | MillingTurningSwissLaserWaterjetWeldingGrindingFinishing | - |
| Aero-Mach Precision LLC Milling, Turning, Welding, Finishing | Mesa, AZ | MillingTurningWeldingFinishing | - |
| Aerospace Laser Cleaning Welding, Grinding, Finishing · AS9100, ITAR, NADCAP | Monument, CO | WeldingGrindingFinishing | AS9100, ITAR, NADCAP |
| 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 | - |
| ALC Engineered Solutions Company Milling, Turning, Swiss, EDM, Finishing · ISO 9001 | Lockwood, MO | MillingTurningSwissEDMFinishing | ISO 9001 |
| All Materials Manufacturing Co LLC Milling, Turning, Swiss, Finishing · ISO 9001, AS9100, ITAR | Riverside, CA | MillingTurningSwissFinishing | ISO 9001, AS9100, ITAR |