| Dallas Machine and Tool Milling, Welding | Carrollton, TX | MillingWelding | - |
| Dayton Manufacturing Co Milling, Turning, Bending, Welding, Waterjet | Dayton, OH | MillingTurningBendingWeldingWaterjet | - |
| Decotron Welding, Metal AM | Dallas, TX | WeldingMetal AM | - |
| Defiant CNC Milling, Turning | Orlando, FL | MillingTurning | - |
| Denver Machine Shop Milling, Turning, Welding · ISO 9001 | Henderson, CO | MillingTurningWelding | ISO 9001 |
| Dream Works Metal Bending, Welding | Sacramento, CA | BendingWelding | - |
| Dual Machine Milling, Turning, Welding · ISO 9001, AS9100 | Indianapolis, IN | MillingTurningWelding | ISO 9001, AS9100 |
| Dynamic Balance Machine Milling, Turning · ISO 9001, AS9100, ITAR | Salt Lake City, UT | MillingTurning | ISO 9001, AS9100, ITAR |
| Dynamic Machine of Detroit Milling, Turning, Casting, Metal AM | Troy, MI | MillingTurningCastingMetal AM | - |
| Dynamic Machining Inc Milling, Turning | South Salt Lake, UT | MillingTurning | - |
| East Valley Precision Milling, Turning, Waterjet, EDM · ISO 9001, AS9100 | Chandler, AZ | MillingTurningWaterjetEDM | ISO 9001, AS9100 |
| Enterprise Machine Inc. Milling, Turning, Welding, EDM | Cincinnati, OH | MillingTurningWeldingEDM | - |
| EnviroTech Milling, Turning, Laser, Welding, EDM | Boise, ID | MillingTurningLaserWeldingEDM | - |
| Etogen Precision Milling, Turning, Welding · ISO 9001, AS9100, ITAR | San Diego, CA | MillingTurningWelding | ISO 9001, AS9100, ITAR |
| Evers Manufacturing Inc Bending, Welding | Milwaukee, WI | BendingWelding | - |
| Ewart-Ohlson Machine Company Milling, Turning, Bending · ISO 9001, AS9100 | Cuyahoga Falls, OH | MillingTurningBending | ISO 9001, AS9100 |
| Exact Machine Service Inc Milling, Turning | York, PA | MillingTurning | - |
| Expert Tool & Machine Milling, Turning, Welding | Dallas, TX | MillingTurningWelding | - |
| Fabrication Solutions Bending, Laser, Welding | Tulsa, OK | BendingLaserWelding | - |
| Falk Precision Inc Milling, Turning, Welding, Waterjet, EDM | East Syracuse, NY | MillingTurningWeldingWaterjetEDM | - |
| Focused on Machining Milling, Turning · ISO 9001, AS9100, ITAR, CMMC | Louviers, CO | MillingTurning | ISO 9001, AS9100, ITAR, CMMC |
| Fox Valley Metal Fab, Inc. Milling, Bending, Welding | Appleton, WI | MillingBendingWelding | - |
| FTC Industries Milling, Turning, Welding | Arlington, TX | MillingTurningWelding | - |
| G2 Metal Fab Bending, Welding | Stockton, CA | BendingWelding | - |
| Gaishin Manufacturing Milling, Turning · AS9100, ISO 13485 | Benton Harbor, MI | MillingTurning | AS9100, ISO 13485 |
| Garcia Sheet Metal Corporation Bending, Welding | Sacramento, CA | BendingWelding | - |
| GenX Machine Technologies Milling, Turning, Welding · AS9100 | Tulsa, OK | MillingTurningWelding | AS9100 |
| Grace Pacifica Machining Milling, Turning, Bending, Laser, Welding, Waterjet · ISO 9001, AS9100 | Tucson, AZ | MillingTurningBendingLaserWeldingWaterjet | ISO 9001, AS9100 |
| H & H Machine Product Milling, Turning | Erie, PA | MillingTurning | - |
| H & W Machine Repair & Rebuilding Milling, Turning, Welding | Fort Wayne, IN | MillingTurningWelding | - |
| Hadley Precision Milling, Turning, Welding | Baton Rouge, LA | MillingTurningWelding | - |
| Hart Precision Machining Milling, Turning, EDM · ISO 9001, AS9100 | Redford Township, MI | MillingTurningEDM | ISO 9001, AS9100 |
| Hennemuth Metal Fabricators Bending, Welding, Waterjet | Oakdale, PA | BendingWeldingWaterjet | - |
| Hi-Tech Turning Company Turning | Anaheim, CA | Turning | - |
| Hitech Metalfab Inc Bending, Welding · ISO 9001 | Santa Clara, CA | BendingWelding | ISO 9001 |
| Horst Engineering Milling, Turning · ISO 9001, AS9100 | East Hartford, CT | MillingTurning | ISO 9001, AS9100 |
| HR CNC Milling | Clearwater, FL | Milling | - |
| HR Machine Turning, Waterjet, EDM | Dayton, OH | TurningWaterjetEDM | - |
| Hybrid CNC Parts Welding, Metal AM · ISO 9001, AS9100, CMMC | Worcester, MA | WeldingMetal AM | ISO 9001, AS9100, CMMC |
| Imagineering Machine Inc Milling, Turning, Casting · NADCAP | St Louis Park, MN | MillingTurningCasting | NADCAP |
| In Tolerance Contract Manufacturing Milling, Turning, Bending · ISO 9001, AS9100, NADCAP | Cedar Rapids, IA | MillingTurningBending | ISO 9001, AS9100, NADCAP |
| Incremental Machine Milling, Bending | Baltimore, MD | MillingBending | - |
| Industrial Sales & Manufacturing, Inc. Milling, Turning, Bending, Laser, Welding · ISO 9001 | Erie, PA | MillingTurningBendingLaserWelding | ISO 9001 |
| Infinity Precision Machining LLC Milling, Turning | Buffalo, NY | MillingTurning | - |
| J & L Sheet Metal Bending, Welding | Houston, TX | BendingWelding | - |
| Jaguar Precision Machine, LLC. Milling, Turning, Bending, Welding, Waterjet, Stamping, Metal AM · ISO 9001, AS9100, ITAR | Albuquerque, NM | MillingTurningBendingWeldingWaterjetStampingMetal AM | ISO 9001, AS9100, ITAR |
| Jax Precision Milling, Turning, Bending, Metal AM · ISO 9001, AS9100, ITAR | Jacksonville, FL | MillingTurningBendingMetal AM | ISO 9001, AS9100, ITAR |
| KCSP Machine LLC (formerly Kansas City Screw Products) Milling, Turning, Welding · ISO 9001, AS9100 | Kansas City, MO | MillingTurningWelding | ISO 9001, AS9100 |
| King Precision Solutions Milling, Turning, Welding, EDM · ISO 9001, ITAR | Erie, PA | MillingTurningWeldingEDM | ISO 9001, ITAR |
| Krukemeier Machine Milling, Turning, EDM · AS9100, NADCAP | Indianapolis, IN | MillingTurningEDM | AS9100, NADCAP |