| Alexander Industries USA LLC Milling, Turning, Welding, Finishing, Assembly | Grand Rapids, MI | MillingTurningWeldingFinishingAssembly | - |
| Algonquin Industries Inc Milling, Turning, Laser, Bending, Welding, Grinding, Assembly | Bellingham, MA | MillingTurningLaserBendingWeldingGrindingAssembly | - |
| Alinabal Laser, Waterjet, Bending, Welding, Stamping, EDM, Grinding, Assembly | Milford, CT | LaserWaterjetBendingWeldingStampingEDMGrindingAssembly | - |
| Am Specialties, Inc Milling, Welding, Stamping, EDM, Grinding, Finishing, Assembly · ISO 9001 | Sterling Heights, MI | MillingWeldingStampingEDMGrindingFinishingAssembly | ISO 9001 |
| American Alloy Fabrication Inc Laser, Punching, Bending, Welding, Assembly | Huntsville, AL | LaserPunchingBendingWeldingAssembly | - |
| American Bully Manufacturing LLC Milling, Bending, Welding, Finishing, Assembly · AS9100 | Annapolis Junction, MD | MillingBendingWeldingFinishingAssembly | AS9100 |
| American Metalcraft, Inc Waterjet, Punching, Bending, Welding, Finishing, Assembly | Villa Rica, GA | WaterjetPunchingBendingWeldingFinishingAssembly | - |
| Amincor Milling, Turning, Swiss, Laser, Punching, Bending, Welding, Stamping, EDM, Grinding, Finishing, Assembly · ISO 9001, ITAR, CMMC | Belton, MO | MillingTurningSwissLaserPunchingBendingWeldingStampingEDMGrindingFinishingAssembly | ISO 9001, ITAR, CMMC |
| AMS Manufacturing Welding, EDM, Finishing, Assembly | San Jose, CA | WeldingEDMFinishingAssembly | - |
| Anchor Fabricators Inc Laser, Punching, Bending, Welding, Stamping, Assembly | Clayton, OH | LaserPunchingBendingWeldingStampingAssembly | - |
| Angeles Precision Engineering LLC Milling, Turning, Assembly · ISO 9001, ITAR | Ontario, CA | MillingTurningAssembly | ISO 9001, ITAR |
| Antron Engineering & Machine Co Inc Milling, Turning, Swiss, Welding, EDM, Assembly | Bellingham, MA | MillingTurningSwissWeldingEDMAssembly | - |
| Ap Precision Metals, Inc Laser, Punching, Bending, Welding, Stamping, Finishing, Assembly · ISO 9001 | San Diego, CA | LaserPunchingBendingWeldingStampingFinishingAssembly | ISO 9001 |
| Apex Precision CNC Milling, Turning, Punching, Bending, Stamping, Casting, EDM, Grinding, Assembly · ITAR, CMMC | Orem, UT | MillingTurningPunchingBendingStampingCastingEDMGrindingAssembly | ITAR, CMMC |
| Apparatus Mfg., Inc Welding, Grinding, Finishing, Assembly | Poughkeepsie, NY | WeldingGrindingFinishingAssembly | - |
| Armes Precision Milling, Turning, Laser, Bending, Welding, Assembly · ISO 9001, ITAR | Lynchburg, VA | MillingTurningLaserBendingWeldingAssembly | ISO 9001, ITAR |
| Armstrong Mold Corp Stamping, Casting, Assembly · ISO 9001, ITAR | East Syracuse, NY | StampingCastingAssembly | ISO 9001, ITAR |
| Art CNC Machining LLC Milling, Turning, Assembly · ISO 9001 | Bridgeview, IL | MillingTurningAssembly | ISO 9001 |
| Ascend Engineering LLC Milling, Turning, Welding, Grinding, Assembly · ISO 9001 | Largo, FL | MillingTurningWeldingGrindingAssembly | ISO 9001 |
| Ast Manufacturing Milling, Laser, Punching, Bending, Welding, Assembly · ISO 9001 | Grand Prairie, TX | MillingLaserPunchingBendingWeldingAssembly | ISO 9001 |
| Astro Machine Works Milling, Turning, Welding, Assembly · ISO 9001, CMMC | Ephrata, PA | MillingTurningWeldingAssembly | ISO 9001, CMMC |
| Athena Manufacturing LP Milling, Assembly · ITAR | Austin, TX | MillingAssembly | ITAR |
| Atlantic Fabricating Milling, Turning, Punching, Bending, Welding, Assembly · ISO 9001 | East Granby, CT | MillingTurningPunchingBendingWeldingAssembly | ISO 9001 |
| Automated Machine & Technology Inc Milling, Turning, Waterjet, Bending, Welding, EDM, Grinding, Assembly · ISO 9001, ITAR | Yorktown, VA | MillingTurningWaterjetBendingWeldingEDMGrindingAssembly | ISO 9001, ITAR |
| Avanti Engineering Inc Milling, Turning, Swiss, EDM, Grinding, Finishing, Assembly · ISO 9001 | Glendale Heights, IL | MillingTurningSwissEDMGrindingFinishingAssembly | ISO 9001 |
| B & F Modern Manufacturing, Inc Milling, Turning, Assembly | Santa Ana, CA | MillingTurningAssembly | - |
| B-Tec Solutions Inc Milling, Turning, Welding, Stamping, EDM, Grinding, Assembly · ISO 9001, AS9100 | Croydon, PA | MillingTurningWeldingStampingEDMGrindingAssembly | ISO 9001, AS9100 |
| Baum Precision Machining Inc Milling, Turning, Assembly · ISO 9001, AS9100, ITAR | Pipersville, PA | MillingTurningAssembly | ISO 9001, AS9100, ITAR |
| Bay State Machine Co Milling, Turning, Grinding, Assembly | Easthampton, MA | MillingTurningGrindingAssembly | - |
| Bci Solutions, Inc Milling, Casting, Grinding, Assembly · ISO 9001, IATF 16949 | Bremen, IN | MillingCastingGrindingAssembly | ISO 9001, IATF 16949 |
| Beam on Technology Corporation Laser, Assembly · ITAR | Santa Clara, CA | LaserAssembly | ITAR |
| Bear Machinery, Inc Milling, Turning, Waterjet, Bending, Welding, Grinding, Assembly · ISO 9001, ITAR | Kaneohe, HI | MillingTurningWaterjetBendingWeldingGrindingAssembly | ISO 9001, ITAR |
| Benen Manufacturing LLC Milling, Turning, Welding, Finishing, Assembly · ISO 9001, ISO 13485 | San Jose, CA | MillingTurningWeldingFinishingAssembly | ISO 9001, ISO 13485 |
| Bent River Machine Inc Milling, Turning, Bending, Welding, EDM, Grinding, Finishing, Assembly · ISO 9001 | Clarkdale, AZ | MillingTurningBendingWeldingEDMGrindingFinishingAssembly | ISO 9001 |
| Billet Industries Inc Milling, Turning, Laser, Welding, EDM, Grinding, Assembly · AS9100 | York, PA | MillingTurningLaserWeldingEDMGrindingAssembly | AS9100 |
| Blue Chip Machine Milling, Finishing, Assembly | Vassalboro, ME | MillingFinishingAssembly | - |
| Brace Manufacturing Milling, Bending, Welding, Assembly | Garland, TX | MillingBendingWeldingAssembly | - |
| Breakout Manufacturing, LLC Milling, Finishing, Assembly · ITAR, CMMC | Murphy, TX | MillingFinishingAssembly | ITAR, CMMC |
| Bronco Manufacturing Inc Milling, Turning, Assembly · ISO 9001, ITAR | Anna, TX | MillingTurningAssembly | ISO 9001, ITAR |
| Brost Cleveland LLC Turning, Casting, Finishing, Assembly · ISO 9001 | Cleveland, OH | TurningCastingFinishingAssembly | ISO 9001 |
| Brot Inc Laser, Punching, Welding, Stamping, Finishing, Assembly | Cleveland, OH | LaserPunchingWeldingStampingFinishingAssembly | - |
| Burns Machine Co Milling, Turning, Bending, Welding, Grinding, Assembly · ISO 9001 | Ottawa, IL | MillingTurningBendingWeldingGrindingAssembly | ISO 9001 |
| C and C Machining LLC Milling, Turning, Assembly | Fort Worth, TX | MillingTurningAssembly | - |
| C M Engineering Inc Milling, Laser, Bending, Welding, Finishing, Assembly · ISO 9001 | Dugger, IN | MillingLaserBendingWeldingFinishingAssembly | ISO 9001 |
| C2 Machine, LLC Milling, Turning, EDM, Grinding, Assembly | Joelton, TN | MillingTurningEDMGrindingAssembly | - |
| Cal Machine & Manufacturing LLC Milling, Turning, Welding, Assembly · ISO 9001, AS9100 | Chino, CA | MillingTurningWeldingAssembly | ISO 9001, AS9100 |
| Campbell Engineering Milling, Welding, EDM, Finishing, Assembly · ISO 9001, ITAR | Lake Forest, CA | MillingWeldingEDMFinishingAssembly | ISO 9001, ITAR |
| Canyon Run Engineering Technologies Milling, Turning, EDM, Grinding, Assembly | Troy, OH | MillingTurningEDMGrindingAssembly | - |
| Caran Precision Engineering & Manufacturing Corp Milling, Turning, Swiss, Welding, Stamping, EDM, Grinding, Assembly · ISO 9001, IATF 16949 | Brea, CA | MillingTurningSwissWeldingStampingEDMGrindingAssembly | ISO 9001, IATF 16949 |
| Cardinal Metal Works LLC Welding, Assembly · ISO 9001 | Burgaw, NC | WeldingAssembly | ISO 9001 |