| Cornell Forge Company Welding, Forging, Finishing, Assembly · ISO 9001, AS9100, NADCAP | Chicago, IL | WeldingForgingFinishingAssembly | ISO 9001, AS9100, NADCAP |
| Delt Forge, Inc Milling, Turning, Welding, Forging, Grinding | Rose City, MI | MillingTurningWeldingForgingGrinding | - |
| Northlake Steel Corp Turning, Forging, Grinding, Finishing | Valley City, OH | TurningForgingGrindingFinishing | - |
| Tampco Inc Welding, Forging | Elkin, NC | WeldingForging | - |
| Bula Forge & Machine Inc Milling, Turning, Welding, Forging, Assembly · ISO 9001 | Cleveland, OH | MillingTurningWeldingForgingAssembly | ISO 9001 |
| California Amforge Corp Welding, Forging · ISO 9001, AS9100, ITAR, NADCAP | Azusa, CA | WeldingForging | ISO 9001, AS9100, ITAR, NADCAP |
| Fabrication Technologies Industries, Inc Milling, Waterjet, Bending, Welding, Forging | National City, CA | MillingWaterjetBendingWeldingForging | - |
| Hartmann's, Inc Milling, Turning, Welding, Forging, EDM, Grinding, Finishing, Assembly · ISO 9001, ITAR | Abilene, TX | MillingTurningWeldingForgingEDMGrindingFinishingAssembly | ISO 9001, ITAR |
| InSight Manufacturing Milling, Turning, Welding, Forging, Assembly | Murphys, CA | MillingTurningWeldingForgingAssembly | - |
| M & M Sheet Metal, Inc Milling, Laser, Bending, Welding, Forging · ISO 9001, ITAR, CMMC | Williamsport, PA | MillingLaserBendingWeldingForging | ISO 9001, ITAR, CMMC |
| Mannon Metal Works LLC Welding, Forging | Lebanon, MO | WeldingForging | - |
| MFC Netform LLC Milling, Laser, Waterjet, Bending, Welding, Stamping, Forging, EDM, Grinding · ISO 9001, IATF 16949 | Shelby Township, MI | MillingLaserWaterjetBendingWeldingStampingForgingEDMGrinding | ISO 9001, IATF 16949 |
| Modern Forge Indiana LLC Turning, Welding, Casting, Forging, Assembly · ISO 9001, AS9100, NADCAP | Merrillville, IN | TurningWeldingCastingForgingAssembly | ISO 9001, AS9100, NADCAP |
| Napoleon Machine LLC Milling, Bending, Welding, Forging, Grinding · ISO 9001, ITAR, CMMC | Napoleon, OH | MillingBendingWeldingForgingGrinding | ISO 9001, ITAR, CMMC |
| Paligen Technologies Welding, Forging | Garland, TX | WeldingForging | - |
| R & D Reps, Inc Milling, Turning, Waterjet, Welding, Forging | Port Richey, FL | MillingTurningWaterjetWeldingForging | - |
| Trenton Forging Co Milling, Welding, Forging · ISO 9001 | Trenton, MI | MillingWeldingForging | ISO 9001 |
| Unit Drop Forge Co Inc Milling, Welding, Forging, Finishing | Milwaukee, WI | MillingWeldingForgingFinishing | - |
| Wozniak Industries Inc Welding, Stamping, Forging | Schaumburg, IL | WeldingStampingForging | - |
| Anchor-Harvey Components LLC Milling, Forging, Finishing · ISO 9001, AS9100 | Freeport, IL | MillingForgingFinishing | ISO 9001, AS9100 |
| Coulter Forge, LLC Turning, Forging | Emeryville, CA | TurningForging | - |
| Esco Precision Inc Milling, Turning, Bending, Stamping, Forging, EDM, Finishing, Assembly · ISO 9001 | Hillsborough, NJ | MillingTurningBendingStampingForgingEDMFinishingAssembly | ISO 9001 |
| Forge Resources Group Turning, Forging, Grinding, Finishing · ISO 9001, AS9100, ITAR | Dekalb, IL | TurningForgingGrindingFinishing | ISO 9001, AS9100, ITAR |
| Hammond & Irving Inc Turning, Forging · ISO 9001 | Auburn, NY | TurningForging | ISO 9001 |
| Lakeview Forge Co Forging · ITAR | Erie, PA | Forging | ITAR |
| LC Manufacturing LLC Milling, Forging · ISO 9001, IATF 16949 | Lake City, MI | MillingForging | ISO 9001, IATF 16949 |
| Norotos, Inc Turning, Forging | Santa Ana, CA | TurningForging | - |
| Preci-Manufacturing, Incorporated Milling, Turning, Forging, EDM, Grinding, Assembly · ISO 9001, AS9100 | Winooski, VT | MillingTurningForgingEDMGrindingAssembly | ISO 9001, AS9100 |
| Presrite Corp Welding, Forging, Grinding | Cleveland, OH | WeldingForgingGrinding | - |
| Sifco Industries Inc Forging, Finishing, Assembly · ISO 9001, NADCAP | Cleveland, OH | ForgingFinishingAssembly | ISO 9001, NADCAP |
| Solmet Technologies Inc Forging | Canton, OH | Forging | - |
| Trinity Forge Inc Milling, Turning, Welding, Forging, Assembly · ISO 9001 | Mansfield, TX | MillingTurningWeldingForgingAssembly | ISO 9001 |
| Trust Manufacturing LLC Milling, Turning, Waterjet, Bending, Forging, EDM, Grinding, Finishing | Euclid, OH | MillingTurningWaterjetBendingForgingEDMGrindingFinishing | - |
| US Axle, Inc Milling, Forging, Grinding | Pottstown, PA | MillingForgingGrinding | - |
| W.e. Hoban Company Milling, Bending, Forging | Green Bay, WI | MillingBendingForging | - |
| Wodin Inc Milling, Turning, Bending, Forging | Bedford, OH | MillingTurningBendingForging | - |