| Cox Manufacturing Co Milling, Turning, Swiss, EDM · ISO 9001, ITAR | San Antonio, TX | MillingTurningSwissEDM | ISO 9001, ITAR |
| Crucial Component Machining LLC Milling, Turning, Swiss, EDM | Concord, NH | MillingTurningSwissEDM | - |
| Custom Tool Inc Milling, Swiss · ISO 9001 | Cookeville, TN | MillingSwiss | ISO 9001 |
| David Packard Company, Inc Milling, Turning, Swiss, Grinding, Finishing, Assembly · ISO 9001, ITAR | Oxford, MA | MillingTurningSwissGrindingFinishingAssembly | ISO 9001, ITAR |
| Deking Precision Inc Turning, Swiss · ISO 9001, AS9100 | Chatsworth, CA | TurningSwiss | ISO 9001, AS9100 |
| Delta Hi-Tech Milling, Turning, Swiss, Laser, Bending, Welding, EDM, Finishing, Assembly · ISO 9001, AS9100, ITAR, NADCAP, ISO 13485 | Chatsworth, CA | MillingTurningSwissLaserBendingWeldingEDMFinishingAssembly | ISO 9001, AS9100, ITAR, NADCAP, ISO 13485 |
| Demco Products Milling, Turning, Swiss, Finishing, Assembly · ISO 9001 | Oak Lawn, IL | MillingTurningSwissFinishingAssembly | ISO 9001 |
| Denny Grice Inc Turning, Swiss, Grinding, Finishing | Three Rivers, MI | TurningSwissGrindingFinishing | - |
| Die Technology, Inc Milling, Turning, Swiss, Bending, Stamping, EDM, Grinding · ISO 9001, CMMC | Saint Michael, MN | MillingTurningSwissBendingStampingEDMGrinding | ISO 9001, CMMC |
| Donahue Industries, Incorporated Milling, Turning, Swiss, Punching, Bending, Welding, Stamping, EDM, Grinding, Finishing | Shrewsbury, MA | MillingTurningSwissPunchingBendingWeldingStampingEDMGrindingFinishing | - |
| DP Machining Inc Milling, Turning, Swiss, Stamping, Finishing | La Verne, CA | MillingTurningSwissStampingFinishing | - |
| Dynacut Manufacturing LLC Milling, Turning, Swiss, Finishing · ISO 9001 | Lees Summit, MO | MillingTurningSwissFinishing | ISO 9001 |
| E. J. Basler Co Milling, Turning, Swiss, Grinding · ISO 9001 | Schiller Park, IL | MillingTurningSwissGrinding | ISO 9001 |
| Echelbarger Precision Machining Milling, Swiss, Waterjet, Bending, Welding, EDM, Finishing · ISO 9001 | Kokomo, IN | MillingSwissWaterjetBendingWeldingEDMFinishing | ISO 9001 |
| Eds Precision Manufacturing LLC Milling, Turning, Swiss, Metal AM, EDM · ISO 9001, ITAR | Houston, TX | MillingTurningSwissMetal AMEDM | ISO 9001, ITAR |
| Egs Production Machining, Inc Milling, Turning, Swiss, Grinding, Assembly · ISO 9001 | Irving, TX | MillingTurningSwissGrindingAssembly | ISO 9001 |
| Enterprise CNC Machining LLC Milling, Turning, Swiss, Welding, Casting | Mankato, MN | MillingTurningSwissWeldingCasting | - |
| Etek Tool & Manufacturing LLC Milling, Turning, Swiss, Welding, Finishing, Assembly · ISO 9001 | Cedarburg, WI | MillingTurningSwissWeldingFinishingAssembly | ISO 9001 |
| Evergreen Tool Company Inc Milling, Turning, Swiss | Peshtigo, WI | MillingTurningSwiss | - |
| Exact CNC Industries Inc Milling, Turning, Swiss, Laser · ISO 9001, AS9100, ITAR | Chatsworth, CA | MillingTurningSwissLaser | ISO 9001, AS9100, ITAR |
| Excel Machine & Fabrication Inc Milling, Turning, Swiss, Welding | Baltimore, MD | MillingTurningSwissWelding | - |
| Excel Manufacturing Inc Milling, Turning, Swiss, Waterjet, Welding, EDM, Grinding, Finishing · ITAR | Albuquerque, NM | MillingTurningSwissWaterjetWeldingEDMGrindingFinishing | ITAR |
| Excel Tool and Manufacturing, Inc Milling, Turning, Swiss, EDM, Grinding · ISO 9001, AS9100, ITAR | Lenexa, KS | MillingTurningSwissEDMGrinding | ISO 9001, AS9100, ITAR |
| Excell Industries Milling, Turning, Swiss, Welding · ISO 9001 | Chambersburg, PA | MillingTurningSwissWelding | ISO 9001 |
| Exotic Sport Products, Inc Milling, Turning, Swiss, Grinding | North Lima, OH | MillingTurningSwissGrinding | - |
| Falcon Prototyping & Machine LLC Milling, Turning, Swiss, Punching, Bending, Welding, EDM, Grinding | Peyton, CO | MillingTurningSwissPunchingBendingWeldingEDMGrinding | - |
| Fasano Corp Milling, Turning, Swiss, Grinding, Finishing | Cranston, RI | MillingTurningSwissGrindingFinishing | - |
| Forster Tool & Manufacturing Co Inc Milling, Turning, Swiss, Grinding, Finishing · ISO 9001, AS9100, ITAR, CMMC | Bensenville, IL | MillingTurningSwissGrindingFinishing | ISO 9001, AS9100, ITAR, CMMC |
| Fulton Technology Corp Milling, Turning, Swiss, Laser, Welding, Finishing · ISO 9001 | Mooresboro, NC | MillingTurningSwissLaserWeldingFinishing | ISO 9001 |
| Garner Machine, L.L.C Milling, Turning, Swiss | Salt Lake City, UT | MillingTurningSwiss | - |
| Genfor Precision Components Limited Milling, Turning, Swiss | Chanhassen, MN | MillingTurningSwiss | - |
| Gil-Mar & Associates Inc Milling, Turning, Swiss, Welding, EDM, Grinding, Finishing, Assembly | Garland, TX | MillingTurningSwissWeldingEDMGrindingFinishingAssembly | - |
| GM Diecron, LLC Milling, Turning, Swiss, EDM, Finishing, Assembly · AS9100 | Griffin, GA | MillingTurningSwissEDMFinishingAssembly | AS9100 |
| GN Manufacturing LLC Milling, Turning, Swiss | Granite Falls, WA | MillingTurningSwiss | - |
| Graham Research Inc Milling, Swiss, EDM, Grinding, Finishing · ISO 9001, AS9100, ITAR, ISO 13485 | Minneapolis, MN | MillingSwissEDMGrindingFinishing | ISO 9001, AS9100, ITAR, ISO 13485 |
| Green's Metal Cut-Off Corp Turning, Swiss | Santa Fe Springs, CA | TurningSwiss | - |
| Guyer Precision Inc Milling, Turning, Swiss, Grinding, Finishing · ISO 9001, ITAR | Painesville, OH | MillingTurningSwissGrindingFinishing | ISO 9001, ITAR |
| Hartman Enterprises Milling, Turning, Swiss, Grinding, Finishing · ISO 9001, AS9100, ITAR | Oneida, NY | MillingTurningSwissGrindingFinishing | ISO 9001, AS9100, ITAR |
| Hasten Applied CNC LLC Milling, Turning, Swiss, Laser, Bending, Welding, Stamping, EDM, Finishing · ISO 9001, ITAR | Riverside, CA | MillingTurningSwissLaserBendingWeldingStampingEDMFinishing | ISO 9001, ITAR |
| Henderson Machine, Inc Milling, Turning, Swiss, Welding, EDM · ITAR | Deerfield Beach, FL | MillingTurningSwissWeldingEDM | ITAR |
| Herker Industries Inc Milling, Turning, Swiss, Welding, Assembly · ISO 9001 | Menomonee Falls, WI | MillingTurningSwissWeldingAssembly | ISO 9001 |
| High Altitude Manufacturing Global Inc Milling, Turning, Swiss, Laser, Finishing | Molalla, OR | MillingTurningSwissLaserFinishing | - |
| Highline Tool Inc Milling, Turning, Swiss, Grinding | Hillsboro, OR | MillingTurningSwissGrinding | - |
| Hogin Machine, Inc Milling, Turning, Swiss, Waterjet, Bending, Welding | Santa Ana, CA | MillingTurningSwissWaterjetBendingWelding | - |
| Honeycutt Manufacturing Inc Milling, Turning, Swiss, Stamping, Grinding, Finishing | Mukilteo, WA | MillingTurningSwissStampingGrindingFinishing | - |
| Hunt Design & Manufacturing Inc Milling, Turning, Swiss, EDM, Grinding · AS9100 | Arab, AL | MillingTurningSwissEDMGrinding | AS9100 |
| Infocus CNC Machining, Inc Milling, Turning, Swiss · ISO 9001, AS9100 | Fountain Valley, CA | MillingTurningSwiss | ISO 9001, AS9100 |
| Inventery Precision Milling, Turning, Swiss, Finishing, Assembly · ISO 9001, AS9100, ITAR, CMMC | Pasadena, CA | MillingTurningSwissFinishingAssembly | ISO 9001, AS9100, ITAR, CMMC |
| J. I. Machine Co., Inc Milling, Turning, Swiss · ISO 9001, AS9100, ITAR | San Diego, CA | MillingTurningSwiss | ISO 9001, AS9100, ITAR |
| J'evac Machine, Inc Milling, Turning, Swiss, Waterjet, Bending, Welding, Finishing · ISO 9001, AS9100, NADCAP | Magnolia, AR | MillingTurningSwissWaterjetBendingWeldingFinishing | ISO 9001, AS9100, NADCAP |