| Espinoza Machine Shop LLC Welding, EDM | Los Fresnos, TX | WeldingEDM | - |
| Essner Manufacturing LP Milling, Punching, Welding, Assembly · NADCAP | Fort Worth, TX | MillingPunchingWeldingAssembly | NADCAP |
| Estes Design & Manufacturing Inc Milling, Turning, Laser, Punching, Bending, Welding, Grinding · ISO 13485 | Indianapolis, IN | MillingTurningLaserPunchingBendingWeldingGrinding | ISO 13485 |
| Etek Tool & Manufacturing LLC Milling, Turning, Swiss, Welding, Finishing, Assembly · ISO 9001 | Cedarburg, WI | MillingTurningSwissWeldingFinishingAssembly | ISO 9001 |
| Evans Metal Fabricators Inc Milling, Turning, Bending, Laser, Welding | Portland, OR | MillingTurningBendingLaserWelding | - |
| Evansville Sheet Metal Works Bending, Laser, Welding, Waterjet | Evansville, IN | BendingLaserWeldingWaterjet | - |
| Evansville Tool & Die Inc Milling, Turning, Welding, Stamping, EDM, Grinding | Evansville, IN | MillingTurningWeldingStampingEDMGrinding | - |
| Evergreen Machining Services Milling, Welding, Stamping, Metal AM · ISO 9001 | Rockford, IL | MillingWeldingStampingMetal AM | ISO 9001 |
| Evolution Machining, Inc Milling, Turning, Welding, EDM, Grinding, Finishing, Assembly | Logan, UT | MillingTurningWeldingEDMGrindingFinishingAssembly | - |
| Evs Metal Laser, Bending, Welding | Riverdale, NJ | LaserBendingWelding | - |
| Experimental Machine Inc Milling, Waterjet, Welding, Assembly · ISO 9001, AS9100, ITAR, CMMC | New Freedom, PA | MillingWaterjetWeldingAssembly | ISO 9001, AS9100, ITAR, CMMC |
| F.B.F., Inc Laser, Punching, Bending, Welding, Stamping, Assembly · ISO 9001 | Southampton, PA | LaserPunchingBendingWeldingStampingAssembly | ISO 9001 |
| F3 Metalworx Precision Metal Fabrication Bending, Welding | Erie, PA | BendingWelding | - |
| Fab Metal, L.L.C Milling, Turning, Laser, Bending, Welding, Stamping, Finishing, Assembly | Clinton, TN | MillingTurningLaserBendingWeldingStampingFinishingAssembly | - |
| Fabpro Technologies Milling, Welding | Halethorpe, MD | MillingWelding | - |
| Fabricated Components & Assemblies, Inc Milling, Turning, Laser, Waterjet, Bending, Welding, Finishing | Allegan, MI | MillingTurningLaserWaterjetBendingWeldingFinishing | - |
| Fabrication Technologies Industries, Inc Milling, Waterjet, Bending, Welding, Forging | National City, CA | MillingWaterjetBendingWeldingForging | - |
| Fabtech Precision Sheet Metal LLC Milling, Turning, Laser, Punching, Bending, Welding, Finishing, Assembly | Spokane Valley, WA | MillingTurningLaserPunchingBendingWeldingFinishingAssembly | - |
| Fabtek Industries Laser, Welding, Finishing, Assembly · ISO 9001 | Hazelhurst, MS | LaserWeldingFinishingAssembly | ISO 9001 |
| Falcon Prototyping & Machine LLC Milling, Turning, Swiss, Punching, Bending, Welding, EDM, Grinding | Peyton, CO | MillingTurningSwissPunchingBendingWeldingEDMGrinding | - |
| Falcon Sheet Metal, Inc Laser, Punching, Welding, Finishing | North Salt Lake, UT | LaserPunchingWeldingFinishing | - |
| Farris Fab & Machine, Inc Milling, Turning, Laser, Waterjet, Punching, Bending, Welding, Grinding, Finishing, Assembly | Cherryville, NC | MillingTurningLaserWaterjetPunchingBendingWeldingGrindingFinishingAssembly | - |
| Fastech Precision LLC Milling, Turning, Laser, Waterjet, Bending, Welding · ITAR, CMMC | Bedford, IN | MillingTurningLaserWaterjetBendingWelding | ITAR, CMMC |
| Fathouse Fabrications Laser, Bending, Welding, Finishing | Martinsville, IN | LaserBendingWeldingFinishing | - |
| Fencing Fabrication LLC Welding | North Las Vegas, NV | Welding | - |
| Feral Productions LLC Milling, Turning, Welding, Grinding, Finishing, Assembly | Tracy, CA | MillingTurningWeldingGrindingFinishingAssembly | - |
| Ferry Machine Corp Welding, Finishing, Assembly · ISO 9001, ISO 13485 | Little Ferry, NJ | WeldingFinishingAssembly | ISO 9001, ISO 13485 |
| Feryok & Clarkson Machine and Marine Milling, Turning, Laser, Welding, Waterjet | Seattle, WA | MillingTurningLaserWeldingWaterjet | - |
| Fine Line Machine LLC Milling, Turning, Laser, Grinding, Assembly · ITAR | Webster, FL | MillingTurningLaserGrindingAssembly | ITAR |
| First Quality Fabricating Inc. Bending, Laser, Welding | Dallas, TX | BendingLaserWelding | - |
| Five Star Enterprises Milling, Laser, Waterjet, Welding, Stamping, Metal AM, EDM, Finishing | San Marcos, CA | MillingLaserWaterjetWeldingStampingMetal AMEDMFinishing | - |
| FJB Engineering Company Milling, Turning, Welding, Finishing · ISO 9001 | Frederick, MD | MillingTurningWeldingFinishing | ISO 9001 |
| Flint Cliffs Manufacturing Corp Milling, Turning, Laser, Bending, Welding, Stamping, Finishing · ISO 9001 | Burlington, IA | MillingTurningLaserBendingWeldingStampingFinishing | ISO 9001 |
| Florida Machine Works Milling, Turning, Laser, Bending, Welding, Finishing, Assembly | Yulee, FL | MillingTurningLaserBendingWeldingFinishingAssembly | - |
| Florida Metal Stampings Inc Laser, Welding, Stamping, EDM · ISO 9001, ITAR | Seminole, FL | LaserWeldingStampingEDM | ISO 9001, ITAR |
| Focus Manufacturing Services Laser, Waterjet, Bending, Welding · ISO 9001 | Ogden, UT | LaserWaterjetBendingWelding | ISO 9001 |
| Folsom Tool & Mold Corp Milling, Turning, Waterjet, Welding | Aston, PA | MillingTurningWaterjetWelding | - |
| Forceco LLC Welding · ITAR | Saginaw, MI | Welding | ITAR |
| Foremaster Tool Company Milling, Turning, Welding, EDM, Grinding, Assembly | Ogden, UT | MillingTurningWeldingEDMGrindingAssembly | - |
| Forge Precision Co Milling, Turning, Welding · ISO 9001 | Farmington Hills, MI | MillingTurningWelding | ISO 9001 |
| Forster Precision Tool, LLC Milling, Turning, Welding, EDM, Grinding | Seymour, CT | MillingTurningWeldingEDMGrinding | - |
| Fort Walton Machining Inc Milling, Turning, Waterjet, Welding, EDM, Grinding, Finishing · ITAR | Fort Walton Beach, FL | MillingTurningWaterjetWeldingEDMGrindingFinishing | ITAR |
| Foster Works LLC Laser, Punching, Bending, Welding, Stamping, Finishing | Chicago, IL | LaserPunchingBendingWeldingStampingFinishing | - |
| Foundrion Group Welding, Casting | Mills, WY | WeldingCasting | - |
| Foxfab Laser and Machine Inc Milling, Laser, Bending, Welding, Grinding, Finishing | Layton, UT | MillingLaserBendingWeldingGrindingFinishing | - |
| Foxtrot Customs Laser, Welding | Converse, TX | LaserWelding | - |
| Franco Machine Milling, Turning, Welding · AS9100, ITAR | Loma, CO | MillingTurningWelding | AS9100, ITAR |
| Frank Roth Co Inc Welding · ISO 9001, AS9100 | Stratford, CT | Welding | ISO 9001, AS9100 |
| Franklin Sheet Metal, LLC Milling, Laser, Waterjet, Punching, Bending, Welding, Grinding, Finishing · ITAR | Franklin, MA | MillingLaserWaterjetPunchingBendingWeldingGrindingFinishing | ITAR |
| Franklin’s Industries Milling, Turning, Waterjet, Welding, EDM · ISO 9001, AS9100 | Poway, CA | MillingTurningWaterjetWeldingEDM | ISO 9001, AS9100 |