| Foxfab Laser and Machine Inc Milling, Laser, Bending, Welding, Grinding, Finishing | Layton, UT | MillingLaserBendingWeldingGrindingFinishing | - |
| Franklin Sheet Metal, LLC Milling, Laser, Waterjet, Punching, Bending, Welding, Grinding, Finishing · ITAR | Franklin, MA | MillingLaserWaterjetPunchingBendingWeldingGrindingFinishing | ITAR |
| Freedom Manufacturing, LLC Welding, Finishing | Jacksonville, TX | WeldingFinishing | - |
| Front Panel Express LLC Milling, Finishing | Kent, WA | MillingFinishing | - |
| Frontier Metal Stamping Inc Milling, Bending, Welding, Stamping, Finishing · ISO 9001 | Erie, CO | MillingBendingWeldingStampingFinishing | ISO 9001 |
| 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 & W Products, Inc Laser, Punching, Bending, Welding, Stamping, Finishing | Fairfield, OH | LaserPunchingBendingWeldingStampingFinishing | - |
| G-Qms Finishers LLC Stamping, Finishing · ISO 9001, AS9100, NADCAP | Los Angeles, CA | StampingFinishing | ISO 9001, AS9100, NADCAP |
| Gannon & Gresham Manufacturing Inc Milling, Turning, Finishing · ISO 9001 | Brookshire, TX | MillingTurningFinishing | ISO 9001 |
| GB Fabrication Company Milling, Turning, Laser, Punching, Bending, Welding, Stamping, Grinding, Finishing, Assembly | Shiloh, OH | MillingTurningLaserPunchingBendingWeldingStampingGrindingFinishingAssembly | - |
| GD&T Manufacturing, LLC Milling, Turning, Grinding, Finishing | Azle, TX | MillingTurningGrindingFinishing | - |
| Gemini Manufacturing & Engineering Inc Milling, Laser, Punching, Welding, Finishing · ISO 9001 | Anaheim, CA | MillingLaserPunchingWeldingFinishing | ISO 9001 |
| General Grinding & Mfg Co LLC Milling, Turning, Welding, Grinding, Finishing · ISO 9001, AS9100 | La Mirada, CA | MillingTurningWeldingGrindingFinishing | ISO 9001, AS9100 |
| Genesis Precision LLC Milling, Turning, Grinding, Finishing | Phoenix, AZ | MillingTurningGrindingFinishing | - |
| Gentec Manufacturing Inc Milling, Turning, Waterjet, Welding, EDM, Grinding, Finishing · ISO 9001, AS9100, NADCAP, ISO 13485 | San Jose, CA | MillingTurningWaterjetWeldingEDMGrindingFinishing | ISO 9001, AS9100, NADCAP, ISO 13485 |
| Gheer Built, LLC Welding, Finishing | Roseburg, OR | WeldingFinishing | - |
| Gil-Mar & Associates Inc Milling, Turning, Swiss, Welding, EDM, Grinding, Finishing, Assembly | Garland, TX | MillingTurningSwissWeldingEDMGrindingFinishingAssembly | - |
| 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 | - |
| GM Diecron, LLC Milling, Turning, Swiss, EDM, Finishing, Assembly · AS9100 | Griffin, GA | MillingTurningSwissEDMFinishingAssembly | AS9100 |
| GMC Precision Machine LLC Milling, Turning, Finishing | Cranbury, NJ | MillingTurningFinishing | - |
| Gnmotion LLC Milling, Turning, Finishing · ITAR | Conroe, TX | MillingTurningFinishing | ITAR |
| Godfrey & Wing, LLC Casting, Finishing · ITAR | Aurora, OH | CastingFinishing | ITAR |
| Government & Industrial Supply Inc Milling, Turning, Bending, Welding, Finishing | Pulaski, TN | MillingTurningBendingWeldingFinishing | - |
| GR Innovations LLC Laser, Finishing | Lapeer, MI | LaserFinishing | - |
| Graham Research Inc Milling, Swiss, EDM, Grinding, Finishing · ISO 9001, AS9100, ITAR, ISO 13485 | Minneapolis, MN | MillingSwissEDMGrindingFinishing | ISO 9001, AS9100, ITAR, ISO 13485 |
| Grain Belt Supply Company, Inc Turning, Laser, Waterjet, Bending, Welding, Grinding, Finishing, Assembly | Salina, KS | TurningLaserWaterjetBendingWeldingGrindingFinishingAssembly | - |
| Great Lakes Metal Finishing Inc Finishing | Erie, PA | Finishing | - |
| Green Machine Company of Rockingham LLC Milling, Laser, Bending, Welding, Finishing | Naples, FL | MillingLaserBendingWeldingFinishing | - |
| Green Specialty Services, L.L.C Milling, Turning, Laser, Welding, Grinding, Finishing · ISO 9001, AS9100 | Joshua, TX | MillingTurningLaserWeldingGrindingFinishing | ISO 9001, AS9100 |
| Greyhound Precision LLC Milling, Turning, Finishing | Blackwood, NJ | MillingTurningFinishing | - |
| Gromax Precision Die & Mfg., Inc Punching, Bending, Welding, Stamping, EDM, Grinding, Finishing, Assembly · ISO 9001, ITAR | Germantown, WI | PunchingBendingWeldingStampingEDMGrindingFinishingAssembly | ISO 9001, ITAR |
| Grovtec US Inc Milling, Turning, Swiss, Finishing · ISO 9001, AS9100, ITAR | Wood Village, OR | MillingTurningSwissFinishing | ISO 9001, AS9100, ITAR |
| Gsi International Inc Milling, Turning, Waterjet, Welding, Finishing, Assembly · ISO 9001 | Chandler, AZ | MillingTurningWaterjetWeldingFinishingAssembly | ISO 9001 |
| H&S Manufacturing Co Milling, Turning, Laser, Punching, Bending, Welding, Finishing, Assembly · ISO 9001, AS9100, ITAR | Rowlett, TX | MillingTurningLaserPunchingBendingWeldingFinishingAssembly | ISO 9001, AS9100, ITAR |
| H3 Manufacturing Group LLC Laser, Bending, Welding, Finishing · ISO 9001 | Schaumburg, IL | LaserBendingWeldingFinishing | ISO 9001 |
| Halcyon Manufacturing Inc Milling, Turning, Bending, Welding, EDM, Finishing, Assembly · ITAR | San Jose, CA | MillingTurningBendingWeldingEDMFinishingAssembly | ITAR |
| Hallnus Works Milling, Finishing · ISO 9001, ITAR | Battle Ground, WA | MillingFinishing | ISO 9001, ITAR |
| Halo Metal Prep Inc Stamping, Finishing · ISO 9001 | Cleveland, OH | StampingFinishing | ISO 9001 |
| Hard Chrome Specialists, Inc Bending, Welding, Grinding, Finishing · ISO 9001 | York, PA | BendingWeldingGrindingFinishing | ISO 9001 |
| Hart Industries LLC Waterjet, Bending, Welding, Grinding, Finishing, Assembly | Sterling Heights, MI | WaterjetBendingWeldingGrindingFinishingAssembly | - |
| Hartman Enterprises Milling, Turning, Swiss, Grinding, Finishing · ISO 9001, AS9100, ITAR | Oneida, NY | MillingTurningSwissGrindingFinishing | ISO 9001, AS9100, ITAR |
| Hartmann's, Inc Milling, Turning, Welding, Forging, EDM, Grinding, Finishing, Assembly · ISO 9001, ITAR | Abilene, TX | MillingTurningWeldingForgingEDMGrindingFinishingAssembly | ISO 9001, ITAR |
| Hasten Applied CNC LLC Milling, Turning, Swiss, Laser, Bending, Welding, Stamping, EDM, Finishing · ISO 9001, ITAR | Riverside, CA | MillingTurningSwissLaserBendingWeldingStampingEDMFinishing | ISO 9001, ITAR |
| HD Machining Solutions Milling, Turning, Finishing · ISO 9001, ITAR | Elizabethton, TN | MillingTurningFinishing | ISO 9001, ITAR |
| Heavy Metal Laser Laser, Bending, Welding, Finishing | Ogden, UT | LaserBendingWeldingFinishing | - |
| Heckel Tool & Manufacturing Corp EDM, Grinding, Finishing | Eagle, WI | EDMGrindingFinishing | - |
| Hegedus Aluminum Industries, Inc Casting, Finishing | Oil City, PA | CastingFinishing | - |
| Helical Machining, Inc Milling, Turning, Welding, EDM, Grinding, Finishing, Assembly | Sun Valley, CA | MillingTurningWeldingEDMGrindingFinishingAssembly | - |