| Custom Metal Fabricators Milling, Bending, Laser, Welding | Richmond, VA | MillingBendingLaserWelding | - |
| Custom Metal Works Milling, Bending, Welding | Tulsa, OK | MillingBendingWelding | - |
| Custom Metalcraft Milling, Bending, Welding | Springfield, MO | MillingBendingWelding | - |
| Delta Hi-Tech Milling, Turning, Swiss, Laser, Bending, Welding, EDM, Finishing, Assembly · ISO 9001, AS9100, ITAR, NADCAP, ISO 13485 | Chatsworth, CA | MillingTurningSwissLaserBendingWeldingEDMFinishingAssembly | ISO 9001, AS9100, ITAR, NADCAP, ISO 13485 |
| Deltisan Engineering LLC Milling, Turning, Punching, Bending, Welding, Finishing, Assembly · ISO 9001 | Parker, CO | MillingTurningPunchingBendingWeldingFinishingAssembly | ISO 9001 |
| Denali MetalWorks Bending, Laser, Welding, Waterjet | Phoenix, AZ | BendingLaserWeldingWaterjet | - |
| Denver Precision Products Turning, Bending | Broomfield, CO | TurningBending | - |
| Des Moines Iron & Supply Co Bending, Welding | Des Moines, IA | BendingWelding | - |
| Des Moines Metal Fab Bending, Laser, Welding | Des Moines, IA | BendingLaserWelding | - |
| Desert Metal Works Bending, Laser, Welding, Waterjet | Tucson, AZ | BendingLaserWeldingWaterjet | - |
| Die-Cut Products Co Bending, Laser, Welding, Waterjet, EDM, Stamping | Cleveland, OH | BendingLaserWeldingWaterjetEDMStamping | - |
| Digital Tool & Die Inc Waterjet, Bending, Stamping | Grandville, MI | WaterjetBendingStamping | - |
| Eberl Iron Works, Inc. Bending, Welding | Buffalo, NY | BendingWelding | - |
| Eck Fabrication LLC Milling, Turning, Bending, Welding, Grinding | Kingman, KS | MillingTurningBendingWeldingGrinding | - |
| Electronic Sheetmetal Bending, Welding | Melbourne, FL | BendingWelding | - |
| Elite Welding & Fabrication LLC Bending, Welding | Galesburg, MI | BendingWelding | - |
| Elmco Two, Inc Milling, Turning, Punching, Bending, Welding | Camden, NJ | MillingTurningPunchingBendingWelding | - |
| eMachineShop Milling, Turning, Bending, Laser, Welding, Waterjet, Stamping, Metal AM · ITAR | Mahwah, NJ | MillingTurningBendingLaserWeldingWaterjetStampingMetal AM | ITAR |
| Empire Metal Products Turning, Bending, Welding | Phoenix, AZ | TurningBendingWelding | - |
| En.Zo Metal Milling, Bending, Laser, Welding, Waterjet | Brooklyn, NY | MillingBendingLaserWeldingWaterjet | - |
| Erie Weld Products Punching, Bending, Welding | Erie, PA | PunchingBendingWelding | - |
| Etchit Milling, Laser, Bending, Stamping, Finishing · ISO 9001, ITAR, NADCAP | Buffalo, MN | MillingLaserBendingStampingFinishing | ISO 9001, ITAR, NADCAP |
| Evans Metal Fabricators Inc Milling, Turning, Bending, Laser, Welding | Portland, OR | MillingTurningBendingLaserWelding | - |
| Evansville Sheet Metal Works Bending, Laser, Welding, Waterjet | Evansville, IN | BendingLaserWeldingWaterjet | - |
| F3 Metalworx Precision Metal Fabrication Bending, Welding | Erie, PA | BendingWelding | - |
| Fabrication Solutions Bending, Laser, Welding | Tulsa, OK | BendingLaserWelding | - |
| Fabweld Co Laser, Waterjet, Bending, Welding, EDM | Kailua, HI | LaserWaterjetBendingWeldingEDM | - |
| Fain Models Ltd Milling, Turning, Bending, Welding | Bedford, TX | MillingTurningBendingWelding | - |
| Falcon Prototyping & Machine LLC Milling, Turning, Swiss, Punching, Bending, Welding, EDM, Grinding | Peyton, CO | MillingTurningSwissPunchingBendingWeldingEDMGrinding | - |
| Fastech Precision LLC Milling, Turning, Laser, Waterjet, Bending, Welding · ITAR, CMMC | Bedford, IN | MillingTurningLaserWaterjetBendingWelding | ITAR, CMMC |
| Flare Precision LLC Milling, Bending | Fort Wayne, IN | MillingBending | - |
| Fox Valley Metal Fab, Inc. Milling, Bending, Welding | Appleton, WI | MillingBendingWelding | - |
| Gem City Metal Technologies, LLC Milling, Laser, Punching, Bending, Welding, Stamping · AS9100, NADCAP | Dayton, OH | MillingLaserPunchingBendingWeldingStamping | AS9100, NADCAP |
| Gen3 Aerospace, LLC Bending, Welding | Tempe, AZ | BendingWelding | - |
| General Products, Aerospace and Defense LLC Milling, Turning, Bending, Welding | Brownsboro, AL | MillingTurningBendingWelding | - |
| Global Affinity Inc Laser, Bending, Welding | Bristol, PA | LaserBendingWelding | - |
| GMP Welding & Fabrication, Inc. Bending, Welding | Cincinnati, OH | BendingWelding | - |
| Goodhart Sons Inc Bending, Welding, Casting | Lancaster, PA | BendingWeldingCasting | - |
| Grand Valley Manufacturing Co Milling, Turning, Bending, Welding | Titusville, PA | MillingTurningBendingWelding | - |
| Great Lakes Pressed Steel Corporation Bending, Welding, Stamping | Buffalo, NY | BendingWeldingStamping | - |
| H&H Metal Fabrication Bending, Welding | St. Louis, MO | BendingWelding | - |
| Hamilton Machine Co. Milling, Turning, Bending, Welding | Nashville, TN | MillingTurningBendingWelding | - |
| Hampton Sheet Metal Inc Bending, Welding | Newport News, VA | BendingWelding | - |
| Hards Fabrication & Welding, Inc Milling, Turning, Waterjet, Bending, Welding | Seneca, PA | MillingTurningWaterjetBendingWelding | - |
| Harvey Brothers Inc Bending, Welding | Cincinnati, OH | BendingWelding | - |
| Hasten Applied CNC LLC Milling, Turning, Swiss, Laser, Bending, Welding, Stamping, EDM, Finishing · ISO 9001, ITAR | Riverside, CA | MillingTurningSwissLaserBendingWeldingStampingEDMFinishing | ISO 9001, ITAR |
| Heimaster Metal Works Inc Bending, Welding | Lakeside, CA | BendingWelding | - |
| Heyel Custom Metal Milling, Turning, Bending, Laser, Welding, Waterjet | Raleigh, NC | MillingTurningBendingLaserWeldingWaterjet | - |
| High Performance Engineering Milling, Turning, Bending, EDM | Sioux Falls, SD | MillingTurningBendingEDM | - |
| Hill Aerosystems Inc Milling, Turning, Waterjet, Punching, Bending, Welding, Stamping, EDM, Assembly · AS9100 | Enumclaw, WA | MillingTurningWaterjetPunchingBendingWeldingStampingEDMAssembly | AS9100 |