| Solidiform, Inc Milling, Casting, Finishing | Fort Worth, TX | MillingCastingFinishing | - |
| Spintek Foundry and Machine LLC Milling, Casting | Mound House, NV | MillingCasting | - |
| Sycamore Precision, Inc Milling, Casting, Finishing | Genoa, IL | MillingCastingFinishing | - |
| Withers Tool, Die & Manufacturing Company Milling, Turning, Welding, Casting, Grinding | Mableton, GA | MillingTurningWeldingCastingGrinding | - |
| Atlas Foundry Company Inc Casting, Grinding | Marion, IN | CastingGrinding | - |
| B T M Industries Inc Milling, Turning, Welding, Casting, Grinding | Woodstock, IL | MillingTurningWeldingCastingGrinding | - |
| Fusion Babbitting Co, Inc Milling, Turning, Casting | Milwaukee, WI | MillingTurningCasting | - |
| G & Z Industries Inc Casting, EDM · ISO 9001, ITAR | Wheeling, IL | CastingEDM | ISO 9001, ITAR |
| Indy Cast Alloys, Inc Casting | Indianapolis, IN | Casting | - |
| Ironbound Castings II, LLC Milling, Turning, Casting | Newark, NJ | MillingTurningCasting | - |
| Lindor Tool, Inc Milling, Turning, Welding, Casting, Grinding | Saint Croix Falls, WI | MillingTurningWeldingCastingGrinding | - |
| Micro-Matics Inc Milling, Turning, Swiss, Casting, EDM, Grinding, Assembly | Fridley, MN | MillingTurningSwissCastingEDMGrindingAssembly | - |
| Modern Forge Indiana LLC Turning, Welding, Casting, Forging, Assembly · ISO 9001, AS9100, NADCAP | Merrillville, IN | TurningWeldingCastingForgingAssembly | ISO 9001, AS9100, NADCAP |
| Oil City Iron Works, Inc Milling, Casting · ISO 9001 | Corsicana, TX | MillingCasting | ISO 9001 |
| Phoenix Precision Machining Milling, Turning, Casting | Trinity, NC | MillingTurningCasting | - |
| Quality Castings Co Casting, Grinding · ISO 9001 | Orrville, OH | CastingGrinding | ISO 9001 |
| Tampa Brass and Aluminum Corporation Milling, Turning, Welding, Casting, Assembly | Tampa, FL | MillingTurningWeldingCastingAssembly | - |
| Warner Bros, Foundry Co Welding, Casting | Roseville, MI | WeldingCasting | - |
| 4K Machining Milling, Casting, Finishing · ITAR | Elizabeth, CO | MillingCastingFinishing | ITAR |
| Accu Die & Mold, Inc Milling, Turning, Welding, Casting, EDM | Stevensville, MI | MillingTurningWeldingCastingEDM | - |
| Accuform Precision LLC Milling, Casting, Finishing | Youngstown, OH | MillingCastingFinishing | - |
| Ace Clearwater Enterprises Inc Milling, Laser, Waterjet, Bending, Welding, Casting | Torrance, CA | MillingLaserWaterjetBendingWeldingCasting | - |
| Anderson Express Inc Milling, Turning, Casting | Muskegon, MI | MillingTurningCasting | - |
| Bec Machine Products Milling, Turning, Welding, Casting | Harleysville, PA | MillingTurningWeldingCasting | - |
| Bobco Metals LLC. Welding, Casting | Los Angeles, CA | WeldingCasting | - |
| Bridesburg Foundry Company Casting | Whitehall, PA | Casting | - |
| Cast Technologies Inc Casting | Peoria, IL | Casting | - |
| Clarksville Foundry Casting | Clarksville, TN | Casting | - |
| CP Industries Inc Milling, Welding, Casting | Granger, IN | MillingWeldingCasting | - |
| Hegedus Aluminum Industries, Inc Casting, Finishing | Oil City, PA | CastingFinishing | - |
| Imagineering Machine Inc Milling, Turning, Casting · NADCAP | St Louis Park, MN | MillingTurningCasting | NADCAP |
| K & K Inc Milling, Casting | Elkhart, IN | MillingCasting | - |
| Kammerer Dynamics Inc Laser, Bending, Welding, Casting, Finishing, Assembly | Kendallville, IN | LaserBendingWeldingCastingFinishingAssembly | - |
| Kimura Foundry America, Inc Casting, Metal AM | Shelbyville, IN | CastingMetal AM | - |
| KP Manufacturing Milling, Casting, Finishing, Assembly | Spencer, IA | MillingCastingFinishingAssembly | - |
| Non-Ferrous Casting Company Casting | Dayton, OH | Casting | - |
| Ofallon Casting LLC Casting, EDM | O Fallon, MO | CastingEDM | - |
| Pioneer Products, Inc Milling, Turning, Casting, Grinding, Finishing, Assembly | Racine, WI | MillingTurningCastingGrindingFinishingAssembly | - |
| Precise Cast Prototypes & Engineering Inc Milling, Casting | Commerce City, CO | MillingCasting | - |
| Tektonics Design Group LLC Milling, Turning, Casting | Richmond, VA | MillingTurningCasting | - |
| Tucson CNC Machining, Inc. Milling, Turning, Bending, Casting | Tucson, AZ | MillingTurningBendingCasting | - |
| American Babbitt Bearing Inc Milling, Welding, Casting · ISO 9001 | Huntington, WV | MillingWeldingCasting | ISO 9001 |
| Apex Precision CNC Milling, Turning, Punching, Bending, Stamping, Casting, EDM, Grinding, Assembly · ITAR, CMMC | Orem, UT | MillingTurningPunchingBendingStampingCastingEDMGrindingAssembly | ITAR, CMMC |
| Cadillac Fabrication Inc Milling, Bending, Welding, Casting · ISO 9001 | Cadillac, MI | MillingBendingWeldingCasting | ISO 9001 |
| Euclid Machine Co Milling, Turning, EDM, Casting · AS9100, NADCAP | Indianapolis, IN | MillingTurningEDMCasting | AS9100, NADCAP |
| Icon Machine Co Milling, Turning, Casting · ISO 9001, AS9100 | Irving, TX | MillingTurningCasting | ISO 9001, AS9100 |
| J&M Machining Milling, Turning, Welding, Casting, Finishing · ISO 9001 | Norton Shores, MI | MillingTurningWeldingCastingFinishing | ISO 9001 |
| Jerl Machine Inc Milling, Turning, Welding, Casting, EDM, Grinding, Assembly · ISO 9001 | Perrysburg, OH | MillingTurningWeldingCastingEDMGrindingAssembly | ISO 9001 |
| John Bouchard & Sons Co Turning, Welding, Stamping, Casting | Nashville, TN | TurningWeldingStampingCasting | - |
| Lamjen Inc Milling, Turning, Welding, Stamping, Casting · ISO 9001 | Erie, PA | MillingTurningWeldingStampingCasting | ISO 9001 |