| DW Engineering LLC Milling, Turning, Welding | Burnsville, MN | MillingTurningWelding | - |
| Dynacut Manufacturing LLC Milling, Turning, Swiss, Finishing · ISO 9001 | Lees Summit, MO | MillingTurningSwissFinishing | ISO 9001 |
| Dynamic Engineering Inc Milling, Turning, Laser, Waterjet, Welding, EDM, Grinding, Finishing | Watertown, SD | MillingTurningLaserWaterjetWeldingEDMGrindingFinishing | - |
| Dynamic Loop Inc Milling, Turning, Laser, Waterjet, Finishing | Camarillo, CA | MillingTurningLaserWaterjetFinishing | - |
| Dynamic Machine of Detroit Milling, Turning, Casting, Metal AM | Troy, MI | MillingTurningCastingMetal AM | - |
| Dynamic Machining Inc Milling, Turning | South Salt Lake, UT | MillingTurning | - |
| Dynamix Manufacturing LLC Milling, Turning, Welding | Joplin, MO | MillingTurningWelding | - |
| E & M Machine, Inc Milling, Turning, Welding, EDM, Finishing | Grantsburg, WI | MillingTurningWeldingEDMFinishing | - |
| E&M Machine Milling, Turning | Seminole, FL | MillingTurning | - |
| Ea Machining Inc Milling, Turning · AS9100 | Santa Clara, CA | MillingTurning | AS9100 |
| Eagle Quality Components LLC Milling, Turning, Welding, Grinding, Finishing, Assembly | Tavares, FL | MillingTurningWeldingGrindingFinishingAssembly | - |
| East Valley Precision Milling, Turning, Waterjet, EDM · ISO 9001, AS9100 | Chandler, AZ | MillingTurningWaterjetEDM | ISO 9001, AS9100 |
| Eastern Panhandle Machine Milling, Turning, Welding, Grinding | Burlington, WV | MillingTurningWeldingGrinding | - |
| Eastwood Machine, LLC Milling, Turning, Laser, Waterjet, Welding, EDM, Grinding, Finishing, Assembly | Santee, CA | MillingTurningLaserWaterjetWeldingEDMGrindingFinishingAssembly | - |
| Eccentroid LLC Milling, Welding, Stamping | Loveland, CO | MillingWeldingStamping | - |
| Eckert Enterprises Ltd Milling, Turning, EDM, Grinding | Tempe, AZ | MillingTurningEDMGrinding | - |
| Eclipse Dynamics LLC Milling, Welding, Assembly · ITAR | Titusville, FL | MillingWeldingAssembly | ITAR |
| Eclipse Manufacturing LLC Milling, Turning, Welding, Grinding | Garfield, NJ | MillingTurningWeldingGrinding | - |
| Ed Dangs Machine Works Inc Milling, Turning, Welding, Grinding, Finishing | Honolulu, HI | MillingTurningWeldingGrindingFinishing | - |
| Edge Machine Works Inc Milling | Hatboro, PA | Milling | - |
| Eds Precision Manufacturing LLC Milling, Turning, Swiss, Metal AM, EDM · ISO 9001, ITAR | Houston, TX | MillingTurningSwissMetal AMEDM | ISO 9001, ITAR |
| Efm Precision LLC Milling · AS9100, CMMC | Passaic, NJ | Milling | AS9100, CMMC |
| Ejays Machine Co Inc Milling, Bending, Assembly · ISO 9001, AS9100 | Fullerton, CA | MillingBendingAssembly | ISO 9001, AS9100 |
| Elco Machine Company Milling, Turning, Finishing | San Luis Obispo, CA | MillingTurningFinishing | - |
| Electro Parts Inc Milling, Turning, Welding, EDM, Finishing, Assembly | West Berlin, NJ | MillingTurningWeldingEDMFinishingAssembly | - |
| Electronic Carbide, Inc Milling, Turning, EDM, Grinding · ITAR | Grass Valley, CA | MillingTurningEDMGrinding | ITAR |
| Electronic Sheet Metal Craftsm Milling, Turning, Laser, Punching, Bending, Welding, Grinding, Assembly | Stoughton, MA | MillingTurningLaserPunchingBendingWeldingGrindingAssembly | - |
| Element Machine Milling, Turning · ISO 9001, AS9100 | Anaheim, CA | MillingTurning | ISO 9001, AS9100 |
| Elemental Design & Machinery, LLC Milling | Chattanooga, TN | Milling | - |
| Elite Engineering Solutions, LLC Milling, Turning | Denville, NJ | MillingTurning | - |
| Elite Laser Cutting LLC Milling, Turning, Laser, Bending, Welding | Holland, MI | MillingTurningLaserBendingWelding | - |
| Elite Machine, Inc Milling, Turning | Manchester, NY | MillingTurning | - |
| Elite Precision CNC Inc Milling, Turning, Welding | Fort Worth, TX | MillingTurningWelding | - |
| Elite Turning & Machining Corp Milling, Turning, EDM, Casting · AS9100 | Rochester, NY | MillingTurningEDMCasting | AS9100 |
| Ella Engineering Incorporated Milling, Turning, Finishing | Elk Grove Village, IL | MillingTurningFinishing | - |
| Elmco Two, Inc Milling, Turning, Punching, Bending, Welding | Camden, NJ | MillingTurningPunchingBendingWelding | - |
| Elsner Engineering Works Inc Milling, Turning, Welding, EDM, Grinding · ISO 9001 | Hanover, PA | MillingTurningWeldingEDMGrinding | ISO 9001 |
| eMachineShop Milling, Turning, Bending, Laser, Welding, Waterjet, Stamping, Metal AM · ITAR | Mahwah, NJ | MillingTurningBendingLaserWeldingWaterjetStampingMetal AM | ITAR |
| Emb Machining Services Inc Milling, Turning, Bending, Welding, Grinding, Assembly · ISO 9001, ITAR | Whitney, PA | MillingTurningBendingWeldingGrindingAssembly | ISO 9001, ITAR |
| Emergent Manufacturing Solutions, LLC Milling, Turning · ISO 9001, AS9100, ITAR, ISO 13485, IATF 16949 | Loves Park, IL | MillingTurning | ISO 9001, AS9100, ITAR, ISO 13485, IATF 16949 |
| Emp Industries, Inc Milling, Turning, EDM, Assembly · ISO 9001, AS9100 | Warminster, PA | MillingTurningEDMAssembly | ISO 9001, AS9100 |
| Empire Machine and Fabrication Milling, Turning | Garner, NC | MillingTurning | - |
| En.Zo Metal Milling, Bending, Laser, Welding, Waterjet | Brooklyn, NY | MillingBendingLaserWeldingWaterjet | - |
| Enc Products, Co Milling, Finishing | Sainte Genevieve, MO | MillingFinishing | - |
| Engineered Fabrication, Inc Milling, Turning, Laser, Waterjet, Bending, Welding, Finishing · ISO 9001 | Watkinsville, GA | MillingTurningLaserWaterjetBendingWeldingFinishing | ISO 9001 |
| Engineered Machining LLC Milling, Finishing | Longwood, FL | MillingFinishing | - |
| Engineered Mechanical Systems Inc Milling, Turning, Laser, Bending, Welding | Chattanooga, TN | MillingTurningLaserBendingWelding | - |
| Engineered Tooling Systems, Inc Milling, Laser, Welding, Stamping, Casting, Grinding | Grand Rapids, MI | MillingLaserWeldingStampingCastingGrinding | - |
| Englebrecht Precision Machining Milling, Turning | Hesperia, CA | MillingTurning | - |
| Enhanced Technologies, Inc Milling, Turning, Stamping, Grinding | Palmyra, PA | MillingTurningStampingGrinding | - |