| Beltim & Associates, LLC Milling, Turning, Swiss, Waterjet, Stamping, Casting, EDM, Finishing · ISO 9001, ITAR, ISO 13485 | Pleasanton, CA | MillingTurningSwissWaterjetStampingCastingEDMFinishing | ISO 9001, ITAR, ISO 13485 |
| Benen Manufacturing LLC Milling, Turning, Welding, Finishing, Assembly · ISO 9001, ISO 13485 | San Jose, CA | MillingTurningWeldingFinishingAssembly | ISO 9001, ISO 13485 |
| 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 | - |
| Blackstar CNC LLC Milling, Laser, Bending, Welding, Finishing · ISO 9001 | Merrillville, IN | MillingLaserBendingWeldingFinishing | ISO 9001 |
| Blue Arc Metal Specialties, Inc Bending, Welding, Finishing | Claremore, OK | BendingWeldingFinishing | - |
| Blue Ridge Machine Works Inc Milling, Turning, Waterjet, Welding, Grinding, Finishing | Verona, VA | MillingTurningWaterjetWeldingGrindingFinishing | - |
| Bradhart Products, Inc Milling, Turning, Finishing · ISO 9001, ITAR | Brighton, MI | MillingTurningFinishing | ISO 9001, ITAR |
| Britech Electropolishing Inc Welding, Finishing | Newark, CA | WeldingFinishing | - |
| Butler Precision Technologies LLC Milling, Turning, Welding, Finishing · AS9100, ITAR | Bristol, PA | MillingTurningWeldingFinishing | AS9100, ITAR |
| C P Precision Inc Milling, Finishing | Warminster, PA | MillingFinishing | - |
| Capital Industries Inc Laser, Punching, Bending, Welding, Finishing · ISO 9001 | Seattle, WA | LaserPunchingBendingWeldingFinishing | ISO 9001 |
| Carlson Metal Products Inc Punching, Bending, Welding, Finishing, Assembly | Troy, MI | PunchingBendingWeldingFinishingAssembly | - |
| CBM Fabrication Inc Milling, Turning, Waterjet, Welding, EDM, Grinding, Finishing | Ballston Lake, NY | MillingTurningWaterjetWeldingEDMGrindingFinishing | - |
| Celco, LLC Stamping, Finishing | Anthony, KS | StampingFinishing | - |
| Century Metal Spinning Co Milling, Turning, Laser, Bending, Welding, Finishing · ISO 9001, AS9100, ITAR | Bensenville, IL | MillingTurningLaserBendingWeldingFinishing | ISO 9001, AS9100, ITAR |
| Cerven Solutions, Inc Milling, Finishing · ISO 9001, AS9100, ITAR, CMMC | Arlington, NY | MillingFinishing | ISO 9001, AS9100, ITAR, CMMC |
| Chick Machine Company, LLC Milling, Turning, Waterjet, Grinding, Finishing · ISO 9001, AS9100, ITAR | Butler, PA | MillingTurningWaterjetGrindingFinishing | ISO 9001, AS9100, ITAR |
| Churchmen's Machine Company Milling, Turning, Laser, Waterjet, Welding, Grinding, Finishing | North East, MD | MillingTurningLaserWaterjetWeldingGrindingFinishing | - |
| Clark Machine Corporation Welding, Finishing | Baltimore, MD | WeldingFinishing | - |
| Classic Engineering, LLC Milling, Turning, Waterjet, Welding, Finishing | Gloucester, MA | MillingTurningWaterjetWeldingFinishing | - |
| Classic Metal Finishing, Inc Milling, Swiss, Grinding, Finishing, Assembly · ISO 9001, AS9100, ITAR, NADCAP | Jackson, MI | MillingSwissGrindingFinishingAssembly | ISO 9001, AS9100, ITAR, NADCAP |
| Classic Turning Inc Milling, Turning, Swiss, Finishing | Jackson, MI | MillingTurningSwissFinishing | - |
| Clearshot Manufacturing LLC Milling, Swiss, Grinding, Finishing · ISO 9001 | Germantown, WI | MillingSwissGrindingFinishing | ISO 9001 |
| CNC Machine and Fabrication, Inc Laser, Waterjet, Punching, Bending, Welding, Stamping, Grinding, Finishing | Hyde Park, UT | LaserWaterjetPunchingBendingWeldingStampingGrindingFinishing | - |
| CNC Specialties Manufacturing Inc Milling, Turning, Bending, Welding, EDM, Grinding, Finishing | Apollo, PA | MillingTurningBendingWeldingEDMGrindingFinishing | - |
| Cobalt Enterprises LLC Milling, Finishing · ITAR | Arlington, WA | MillingFinishing | ITAR |
| Colonial Welding, LLC Turning, Laser, Bending, Welding, Finishing | Norfolk, VA | TurningLaserBendingWeldingFinishing | - |
| Conroe Machine, LLC Milling, Turning, Laser, Bending, Welding, EDM, Grinding, Finishing · ISO 9001 | Conroe, TX | MillingTurningLaserBendingWeldingEDMGrindingFinishing | ISO 9001 |
| Cornell Forge Company Welding, Forging, Finishing, Assembly · ISO 9001, AS9100, NADCAP | Chicago, IL | WeldingForgingFinishingAssembly | ISO 9001, AS9100, NADCAP |
| Craftco Metals Services Inc Milling, Turning, Laser, Waterjet, Bending, Welding, Finishing, Assembly | Sheridan, WY | MillingTurningLaserWaterjetBendingWeldingFinishingAssembly | - |
| Creative Machining Solutions Welding, Finishing | Walford, IA | WeldingFinishing | - |
| Creative Machining Systems Inc Milling, Turning, Welding, EDM, Grinding, Finishing | Trenton, NJ | MillingTurningWeldingEDMGrindingFinishing | - |
| CS Precision Manufacturing Inc Turning, Bending, EDM, Finishing · ISO 9001 | Gering, NE | TurningBendingEDMFinishing | ISO 9001 |
| Csi Manufacturing Inc Milling, Turning, Laser, Welding, Stamping, Finishing · ISO 9001 | Westborough, MA | MillingTurningLaserWeldingStampingFinishing | ISO 9001 |
| Custom Machine & Welding, Inc Turning, Waterjet, Bending, Welding, Grinding, Finishing | North Augusta, SC | TurningWaterjetBendingWeldingGrindingFinishing | - |
| D & H Industries Inc Milling, Turning, Laser, Bending, Welding, Stamping, Grinding, Finishing · ISO 9001, ITAR | Oconomowoc, WI | MillingTurningLaserBendingWeldingStampingGrindingFinishing | ISO 9001, ITAR |
| Dacval, LLC Welding, Finishing · ISO 9001, AS9100, ITAR | Philadelphia, PA | WeldingFinishing | ISO 9001, AS9100, ITAR |
| Data Electronic Services Finishing · ISO 9001, ITAR | Santa Ana, CA | Finishing | ISO 9001, ITAR |
| Davis Tool Inc Milling, Turning, Laser, Waterjet, Punching, Bending, Welding, EDM, Grinding, Finishing, Assembly · ISO 9001, AS9100, ITAR, NADCAP | Hillsboro, OR | MillingTurningLaserWaterjetPunchingBendingWeldingEDMGrindingFinishingAssembly | ISO 9001, AS9100, ITAR, NADCAP |
| DCP Tool Manufacturing, LLC Milling, Turning, Laser, Welding, EDM, Grinding, Finishing | Dayton, OH | MillingTurningLaserWeldingEDMGrindingFinishing | - |
| Deperini Metal Fabricators Milling, Laser, Punching, Bending, Welding, Grinding, Finishing · ISO 9001 | Gaithersburg, MD | MillingLaserPunchingBendingWeldingGrindingFinishing | ISO 9001 |
| Desert West CNC LLC Milling, Turning, Finishing | El Paso, TX | MillingTurningFinishing | - |
| Donahue Industries, Incorporated Milling, Turning, Swiss, Punching, Bending, Welding, Stamping, EDM, Grinding, Finishing | Shrewsbury, MA | MillingTurningSwissPunchingBendingWeldingStampingEDMGrindingFinishing | - |
| Donal Machine Inc Laser, Welding, Finishing · NADCAP | Petaluma, CA | LaserWeldingFinishing | NADCAP |
| Dualtron Manufacturing Milling, Laser, Punching, Welding, Finishing, Assembly | West Babylon, NY | MillingLaserPunchingWeldingFinishingAssembly | - |
| Duval Precision Grinding Inc Grinding, Finishing | Chicopee, MA | GrindingFinishing | - |
| Dynamic Engineering Inc Milling, Turning, Laser, Waterjet, Welding, EDM, Grinding, Finishing | Watertown, SD | MillingTurningLaserWaterjetWeldingEDMGrindingFinishing | - |
| E & R Machine Grinding, Finishing | Lockport, NY | GrindingFinishing | - |