| Fabweld Co Laser, Waterjet, Bending, Welding, EDM | Kailua, HI | LaserWaterjetBendingWeldingEDM | - |
| Fairview Machine Co Inc Milling, Turning, EDM, Assembly | Topsfield, MA | MillingTurningEDMAssembly | - |
| Faustson Tool Milling, Turning, EDM | Arvada, CO | MillingTurningEDM | - |
| FDM of Clearwater Inc Milling, Turning, EDM, Grinding | Largo, FL | MillingTurningEDMGrinding | - |
| Fetrow Industries Inc Milling, Turning, Welding, EDM, Grinding, Assembly | Columbus, NE | MillingTurningWeldingEDMGrindingAssembly | - |
| Foremaster Tool Company Milling, Turning, Welding, EDM, Grinding, Assembly | Ogden, UT | MillingTurningWeldingEDMGrindingAssembly | - |
| Global Design & Development, LLC Milling, EDM | Chesterfield, MI | MillingEDM | - |
| H & M Machine Inc Milling, Turning, Welding, Stamping, EDM, Grinding, Finishing | Greendale, WI | MillingTurningWeldingStampingEDMGrindingFinishing | - |
| Hagan Design & Machine Inc Milling, Turning, Welding, EDM, Grinding | Newmarket, NH | MillingTurningWeldingEDMGrinding | - |
| Hamblen Machine Inc Milling, Turning, EDM, Grinding | Bloomington, IN | MillingTurningEDMGrinding | - |
| Hi Tech Machining & Engineering LLC Milling, Turning, EDM, Grinding | Tucson, AZ | MillingTurningEDMGrinding | - |
| High Tech Machine II Co Limited Milling, Turning, Welding, EDM | Houston, TX | MillingTurningWeldingEDM | - |
| Hill Aerosystems Inc Milling, Turning, Waterjet, Punching, Bending, Welding, Stamping, EDM, Assembly · AS9100 | Enumclaw, WA | MillingTurningWaterjetPunchingBendingWeldingStampingEDMAssembly | AS9100 |
| HR Machine Turning, Waterjet, EDM | Dayton, OH | TurningWaterjetEDM | - |
| Hub Pattern Corp Milling, Turning, Waterjet, EDM, Grinding, Assembly | Roanoke, VA | MillingTurningWaterjetEDMGrindingAssembly | - |
| Hy-Speed Machining, Inc Milling, Turning, EDM | Grants Pass, OR | MillingTurningEDM | - |
| Instrument Development Corp Milling, Turning, EDM | Mukwonago, WI | MillingTurningEDM | - |
| Insulfab Plastics Inc Stamping, EDM · ITAR | Franklin, NH | StampingEDM | ITAR |
| Irwin Automation Inc Milling, Turning, Welding, EDM, Grinding | Greensburg, PA | MillingTurningWeldingEDMGrinding | - |
| Jack West CNC, Inc Milling, Turning, EDM | Chula Vista, CA | MillingTurningEDM | - |
| Jars Inc Milling, Waterjet, Bending, Welding, EDM, Grinding, Finishing | San Fernando, CA | MillingWaterjetBendingWeldingEDMGrindingFinishing | - |
| Jeb Modern Machines, Limited Turning, EDM | Republic, OH | TurningEDM | - |
| JMS Machine, Inc Milling, Turning, EDM, Grinding | Columbia City, IN | MillingTurningEDMGrinding | - |
| Jonesboro Tool & Die Co Inc Milling, Turning, Laser, Waterjet, Bending, Welding, Stamping, EDM, Grinding · AS9100, ITAR, CMMC | Jonesboro, AR | MillingTurningLaserWaterjetBendingWeldingStampingEDMGrinding | AS9100, ITAR, CMMC |
| Kent Machine Milling, EDM, Grinding | Indianapolis, IN | MillingEDMGrinding | - |
| Ki Machine Tools & Productions Inc Milling, Turning, Bending, Welding, EDM, Grinding | Loves Park, IL | MillingTurningBendingWeldingEDMGrinding | - |
| Kinetic Engine Systems Milling, EDM, Grinding | Phoenix, AZ | MillingEDMGrinding | - |
| Kosmo Machine Inc Milling, Turning, Welding, Casting, EDM | Sandston, VA | MillingTurningWeldingCastingEDM | - |
| Krukemeier Machine Milling, Turning, EDM · AS9100, NADCAP | Indianapolis, IN | MillingTurningEDM | AS9100, NADCAP |
| Kuhn Tool & Die Co Milling, Waterjet, Welding, Stamping, EDM, Grinding | Meadville, PA | MillingWaterjetWeldingStampingEDMGrinding | - |
| Lean Manufacturing Group LLC Milling, Turning, EDM · AS9100, ITAR | Valencia, CA | MillingTurningEDM | AS9100, ITAR |
| M & J Manufacturing, Inc. Milling, Turning, EDM | Portland, OR | MillingTurningEDM | - |
| M W M Services, Inc Milling, Welding, EDM | Riviera Beach, FL | MillingWeldingEDM | - |
| M-Tech Machining LLC Milling, Turning, EDM · ITAR | Edgewood, NM | MillingTurningEDM | ITAR |
| Mac Machine Company Milling, Turning, Welding, EDM, Grinding · AS9100, ITAR, NADCAP, CMMC | Baltimore, MD | MillingTurningWeldingEDMGrinding | AS9100, ITAR, NADCAP, CMMC |
| Machine Shop LLC EDM, Assembly | East Hardwick, VT | EDMAssembly | - |
| Machine Tool Services Turning, Bending, EDM | Spokane, WA | TurningBendingEDM | - |
| Machining Tech Milling, Turning, Waterjet, Welding, Stamping, EDM, Grinding | Hazle Township, PA | MillingTurningWaterjetWeldingStampingEDMGrinding | - |
| Magna Machine & Tool Co Inc Milling, Turning, Waterjet, Welding, EDM, Grinding | New Castle, IN | MillingTurningWaterjetWeldingEDMGrinding | - |
| Magnolia Machine Company Milling, Turning, Welding, EDM, Grinding | Auburndale, FL | MillingTurningWeldingEDMGrinding | - |
| Marion Manufacturing Milling, Turning, Welding, Stamping, EDM · AS9100 | West Terre Haute, IN | MillingTurningWeldingStampingEDM | AS9100 |
| Marion Manufacturing Co Inc Milling, Turning, Laser, Stamping, EDM | Cheshire, CT | MillingTurningLaserStampingEDM | - |
| Mean Machine LLC Milling, Turning, EDM | Logan, UT | MillingTurningEDM | - |
| Mercer Machine Company, Inc Milling, Turning, EDM · AS9100 | Camby, IN | MillingTurningEDM | AS9100 |
| Midwest Tool Inc Milling, Turning, Welding, EDM, Grinding | Joplin, MO | MillingTurningWeldingEDMGrinding | - |
| Milco Wire EDM Inc Waterjet, Stamping, EDM · AS9100, ITAR, NADCAP | Huntington Beach, CA | WaterjetStampingEDM | AS9100, ITAR, NADCAP |
| Modern Machine Works Milling, Turning, Welding, EDM, Grinding, Finishing | Albany, OR | MillingTurningWeldingEDMGrindingFinishing | - |
| Mojo Masters LLC Milling, Laser, Bending, EDM, Grinding | Vestal, NY | MillingLaserBendingEDMGrinding | - |
| Morehead Machinery Inc Milling, Turning, Welding, EDM, Grinding | Elkhart, IN | MillingTurningWeldingEDMGrinding | - |
| Mountain Defense LLC Milling, Turning, EDM, Assembly | Mentor, OH | MillingTurningEDMAssembly | - |