| Conroe Machine, LLC Milling, Turning, Laser, Bending, Welding, EDM, Grinding, Finishing · ISO 9001 | Conroe, TX | MillingTurningLaserBendingWeldingEDMGrindingFinishing | ISO 9001 |
| Continental Machining Co Milling, Turning, Welding, EDM | Albuquerque, NM | MillingTurningWeldingEDM | - |
| Cox Manufacturing Co Milling, Turning, Swiss, EDM · ISO 9001, ITAR | San Antonio, TX | MillingTurningSwissEDM | ISO 9001, ITAR |
| CPK Manufacturing Milling, Turning, EDM · ISO 9001 | San Jose, CA | MillingTurningEDM | ISO 9001 |
| Creative Machining Systems Inc Milling, Turning, Welding, EDM, Grinding, Finishing | Trenton, NJ | MillingTurningWeldingEDMGrindingFinishing | - |
| Crown Machine Inc Milling, Turning, Welding, EDM · ISO 9001 | Rockford, IL | MillingTurningWeldingEDM | ISO 9001 |
| CS Precision Manufacturing Inc Turning, Bending, EDM, Finishing · ISO 9001 | Gering, NE | TurningBendingEDMFinishing | ISO 9001 |
| Custom Machine & Design Inc Milling, Turning, Waterjet, Welding, EDM, Grinding | Lincoln, NE | MillingTurningWaterjetWeldingEDMGrinding | - |
| Custom Machine Inc Milling, Turning, EDM · ISO 9001, AS9100, ITAR, ISO 13485, NADCAP | Woburn, MA | MillingTurningEDM | ISO 9001, AS9100, ITAR, ISO 13485, NADCAP |
| Custom Tool & Model Corp Milling, Turning, Laser, Bending, Welding, Stamping, EDM, Grinding · ISO 9001, AS9100 | Frankfort, NY | MillingTurningLaserBendingWeldingStampingEDMGrinding | ISO 9001, AS9100 |
| Cutter Innovations, LLC Milling, Turning, EDM · AS9100 | Wheat Ridge, CO | MillingTurningEDM | AS9100 |
| D & H Engineering Inc Milling, EDM · AS9100 | Camarillo, CA | MillingEDM | AS9100 |
| D. J. Fabricators, Inc Milling, Laser, Waterjet, Punching, Bending, Welding, EDM, Grinding, Assembly · ISO 9001 | Ipswich, MA | MillingLaserWaterjetPunchingBendingWeldingEDMGrindingAssembly | ISO 9001 |
| Dailey's CNC Machining LLC Milling, EDM, Grinding · ISO 9001, AS9100, ITAR | Columbus, IN | MillingEDMGrinding | ISO 9001, AS9100, ITAR |
| Davis Tool & Die, Inc Milling, Turning, Welding, Stamping, EDM, Grinding | Abbeville, MS | MillingTurningWeldingStampingEDMGrinding | - |
| 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 | - |
| Delflo Industries Inc Milling, Turning, Waterjet, Bending, Welding, EDM, Grinding, Assembly · ISO 9001, AS9100, ITAR, ISO 13485, CMMC | Delray Beach, FL | MillingTurningWaterjetBendingWeldingEDMGrindingAssembly | ISO 9001, AS9100, ITAR, ISO 13485, CMMC |
| Die & Tool Service, Inc Milling, Stamping, EDM | Sugar Land, TX | MillingStampingEDM | - |
| Direct Tooling Concepts LLP Welding, Stamping, EDM, Grinding | Versailles, OH | WeldingStampingEDMGrinding | - |
| Dms-South/bailey Tool LLC Milling, Turning, Welding, Stamping, EDM | Lancaster, TX | MillingTurningWeldingStampingEDM | - |
| Donahue Industries, Incorporated Milling, Turning, Swiss, Punching, Bending, Welding, Stamping, EDM, Grinding, Finishing | Shrewsbury, MA | MillingTurningSwissPunchingBendingWeldingStampingEDMGrindingFinishing | - |
| DP Products, Inc Milling, Turning, EDM · ISO 9001 | San Jose, CA | MillingTurningEDM | ISO 9001 |
| Draeving Machine Tool, Inc Milling, Turning, Welding, EDM | Beloit, WI | MillingTurningWeldingEDM | - |
| Duo Tec Tool Co Milling, Turning, Stamping, EDM, Grinding | Maple Grove, MN | MillingTurningStampingEDMGrinding | - |
| Dynamic Design & Manufacturing Inc Laser, Punching, Bending, Welding, EDM · ISO 9001, AS9100, ITAR | Niwot, CO | LaserPunchingBendingWeldingEDM | ISO 9001, AS9100, ITAR |
| Dynamic Engineering Inc Milling, Turning, Laser, Waterjet, Welding, EDM, Grinding, Finishing | Watertown, SD | MillingTurningLaserWaterjetWeldingEDMGrindingFinishing | - |
| Eagle Precision Machine, Inc EDM | Lincoln, NE | EDM | - |
| Eas Manufacturing Co Milling, Turning, Welding, EDM, Grinding | Camarillo, CA | MillingTurningWeldingEDMGrinding | - |
| Echelbarger Precision Machining Milling, Swiss, Waterjet, Bending, Welding, EDM, Finishing · ISO 9001 | Kokomo, IN | MillingSwissWaterjetBendingWeldingEDMFinishing | ISO 9001 |
| Eckert Enterprises Ltd Milling, Turning, EDM, Grinding | Tempe, AZ | MillingTurningEDMGrinding | - |
| Eclipse Precision Machining, LLC Milling, EDM · ISO 9001, AS9100 | Elk Grove Village, IL | MillingEDM | ISO 9001, AS9100 |
| Ecutec LLC Turning, EDM | Clover, SC | TurningEDM | - |
| EDM Intelligent Solutions Milling, EDM, Grinding · ISO 9001, ITAR | Bartlett, IL | MillingEDMGrinding | ISO 9001, ITAR |
| Eds Precision Manufacturing LLC Milling, Turning, Swiss, Metal AM, EDM · ISO 9001, ITAR | Houston, TX | MillingTurningSwissMetal AMEDM | ISO 9001, ITAR |
| Electro Erosion Specialties, Inc Milling, Turning, Laser, Welding, EDM, Grinding | Renton, WA | MillingTurningLaserWeldingEDMGrinding | - |
| Electronic Carbide, Inc Milling, Turning, EDM, Grinding · ITAR | Grass Valley, CA | MillingTurningEDMGrinding | ITAR |
| Elite Turning & Machining Corp Milling, Turning, EDM, Casting · AS9100 | Rochester, NY | MillingTurningEDMCasting | AS9100 |
| Engineering Design Industries, Inc Milling, Turning, Laser, Welding, Stamping, EDM, Grinding, Finishing | S El Monte, CA | MillingTurningLaserWeldingStampingEDMGrindingFinishing | - |
| Enterprise Machine Inc. Milling, Turning, Welding, EDM | Cincinnati, OH | MillingTurningWeldingEDM | - |
| Er Machining Milling, Turning, Laser, Bending, EDM | Houston, TX | MillingTurningLaserBendingEDM | - |
| Euclid Machine Co Milling, Turning, EDM, Casting · AS9100, NADCAP | Indianapolis, IN | MillingTurningEDMCasting | AS9100, NADCAP |
| Evansville Tool & Die Inc Milling, Turning, Welding, Stamping, EDM, Grinding | Evansville, IN | MillingTurningWeldingStampingEDMGrinding | - |
| 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 |
| Expedite Precision Works Inc Milling, Turning, Swiss, Welding, EDM, Finishing · ISO 9001, AS9100, ITAR, ISO 13485 | San Jose, CA | MillingTurningSwissWeldingEDMFinishing | ISO 9001, AS9100, ITAR, ISO 13485 |
| Fairview Machine Co Inc Milling, Turning, EDM, Assembly | Topsfield, MA | MillingTurningEDMAssembly | - |
| Falcon Prototyping & Machine LLC Milling, Turning, Swiss, Punching, Bending, Welding, EDM, Grinding | Peyton, CO | MillingTurningSwissPunchingBendingWeldingEDMGrinding | - |
| Fetrow Industries Inc Milling, Turning, Welding, EDM, Grinding, Assembly | Columbus, NE | MillingTurningWeldingEDMGrindingAssembly | - |
| Foremaster Tool Company Milling, Turning, Welding, EDM, Grinding, Assembly | Ogden, UT | MillingTurningWeldingEDMGrindingAssembly | - |