| Fab Metal, L.L.C Milling, Turning, Laser, Bending, Welding, Stamping, Finishing, Assembly | Clinton, TN | MillingTurningLaserBendingWeldingStampingFinishingAssembly | - |
| 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 | - |
| Fabrifast LLC Laser, Punching, Bending, Welding, Stamping, Finishing | Hartford, WI | LaserPunchingBendingWeldingStampingFinishing | - |
| Fabriweld Corp Milling, Turning, Laser, Welding, Finishing | Norwalk, OH | MillingTurningLaserWeldingFinishing | - |
| 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 |
| Fabweld Co Laser, Waterjet, Bending, Welding, EDM | Kailua, HI | LaserWaterjetBendingWeldingEDM | - |
| Fathouse Fabrications Laser, Bending, Welding, Finishing | Martinsville, IN | LaserBendingWeldingFinishing | - |
| Feryok & Clarkson Machine and Marine Milling, Turning, Laser, Welding, Waterjet | Seattle, WA | MillingTurningLaserWeldingWaterjet | - |
| FH Peterson Machine Corp Milling, Turning, Welding, Grinding · ISO 9001, ITAR | Stoughton, MA | MillingTurningWeldingGrinding | ISO 9001, ITAR |
| First Quality Fabricating Inc. Bending, Laser, Welding | Dallas, TX | BendingLaserWelding | - |
| 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 |
| Foundrion Group Welding, Casting | Mills, WY | WeldingCasting | - |
| Foxfab Laser and Machine Inc Milling, Laser, Bending, Welding, Grinding, Finishing | Layton, UT | MillingLaserBendingWeldingGrindingFinishing | - |
| Franco Machine Milling, Turning, Welding · AS9100, ITAR | Loma, CO | MillingTurningWelding | AS9100, ITAR |
| Franklin Sheet Metal, LLC Milling, Laser, Waterjet, Punching, Bending, Welding, Grinding, Finishing · ITAR | Franklin, MA | MillingLaserWaterjetPunchingBendingWeldingGrindingFinishing | ITAR |
| Freedom Fabricators Inc Milling, Laser, Waterjet, Punching, Bending, Welding · ISO 9001, AS9100 | Jupiter, FL | MillingLaserWaterjetPunchingBendingWelding | ISO 9001, AS9100 |
| Freedom Manufacturing, LLC Welding, Finishing | Jacksonville, TX | WeldingFinishing | - |
| Freedom Security, LLC Waterjet, Punching, Bending, Welding, Finishing | Salt Lake City, UT | WaterjetPunchingBendingWeldingFinishing | - |
| Frontier Metal Stamping Inc Milling, Bending, Welding, Stamping, Finishing · ISO 9001 | Erie, CO | MillingBendingWeldingStampingFinishing | ISO 9001 |
| FTC Industries Milling, Turning, Welding | Arlington, TX | MillingTurningWelding | - |
| Fulcrum Technologies Inc Milling, Laser, Waterjet, Bending, Welding, Finishing | Tualatin, OR | MillingLaserWaterjetBendingWeldingFinishing | - |
| Fulton Technology Corp Milling, Turning, Swiss, Laser, Welding, Finishing · ISO 9001 | Mooresboro, NC | MillingTurningSwissLaserWeldingFinishing | ISO 9001 |
| G & D Machine Shop Inc Waterjet, Bending, Welding, Finishing | Hammond, LA | WaterjetBendingWeldingFinishing | - |
| G & G Steel Inc Milling, Turning, Welding, Grinding | Russellville, AL | MillingTurningWeldingGrinding | - |
| G & R Manufacturing Welding, Stamping, Finishing, Assembly · ISO 9001, ITAR | Naugatuck, CT | WeldingStampingFinishingAssembly | ISO 9001, ITAR |
| G & R Metals Milling, Turning, Punching, Bending, Welding, EDM · CMMC | Hampton, VA | MillingTurningPunchingBendingWeldingEDM | CMMC |
| G & W Products, Inc Laser, Punching, Bending, Welding, Stamping, Finishing | Fairfield, OH | LaserPunchingBendingWeldingStampingFinishing | - |
| G. V. Industries, Inc Milling, Turning, Welding, Assembly · ISO 9001, AS9100 | National City, CA | MillingTurningWeldingAssembly | ISO 9001, AS9100 |
| Gamlet Inc Milling, Laser, Bending, Welding, Stamping, Grinding, Finishing | York, PA | MillingLaserBendingWeldingStampingGrindingFinishing | - |
| Gardner Precision Technologies LLC Milling, Turning, Welding | Forest Hill, TX | MillingTurningWelding | - |
| GB Fabrication Company Milling, Turning, Laser, Punching, Bending, Welding, Stamping, Grinding, Finishing, Assembly | Shiloh, OH | MillingTurningLaserPunchingBendingWeldingStampingGrindingFinishingAssembly | - |
| GC International Inc Milling, Turning, Welding, Casting, Assembly · AS9100, NADCAP | Camarillo, CA | MillingTurningWeldingCastingAssembly | AS9100, NADCAP |
| Gem State Metals Bending, Welding | Garden City, ID | BendingWelding | - |
| Gemini Manufacturing & Engineering Inc Milling, Laser, Punching, Welding, Finishing · ISO 9001 | Anaheim, CA | MillingLaserPunchingWeldingFinishing | ISO 9001 |
| Gen3 Aerospace, LLC Bending, Welding | Tempe, AZ | BendingWelding | - |
| Gene Davis Sales & Services Laser, Welding, Waterjet | Erie, PA | LaserWeldingWaterjet | - |
| General Machine Milling, Turning, Laser, Waterjet, Punching, Bending, Welding, Grinding, Finishing | Chicago, IL | MillingTurningLaserWaterjetPunchingBendingWeldingGrindingFinishing | - |
| General Products, Aerospace and Defense LLC Milling, Turning, Bending, Welding | Brownsboro, AL | MillingTurningBendingWelding | - |
| Genesee Global Group, Inc Milling, Laser, Bending, Welding, Stamping, Finishing, Assembly · ISO 9001 | W Henrietta, NY | MillingLaserBendingWeldingStampingFinishingAssembly | ISO 9001 |
| Gil-Mar & Associates Inc Milling, Turning, Swiss, Welding, EDM, Grinding, Finishing, Assembly | Garland, TX | MillingTurningSwissWeldingEDMGrindingFinishingAssembly | - |
| Gill Metal Fab Inc Welding | Brockton, MA | Welding | - |
| Glemco Inc Milling, Waterjet, Welding, EDM, Grinding · ISO 9001, AS9100, ITAR | Leander, TX | MillingWaterjetWeldingEDMGrinding | ISO 9001, AS9100, ITAR |
| Global Affinity Inc Laser, Bending, Welding | Bristol, PA | LaserBendingWelding | - |
| Global Precision Group LLC Turning, Welding, Finishing · ISO 9001 | Muskego, WI | TurningWeldingFinishing | ISO 9001 |
| Glpc Fab, LLC Laser, Punching, Bending, Welding, Finishing, Assembly | Walled Lake, MI | LaserPunchingBendingWeldingFinishingAssembly | - |