| Custom Machine Works LLC Milling, Turning, Stamping, Grinding | Fenton, MO | MillingTurningStampingGrinding | - |
| Cutting Edge Machining & Automation-Qtr, LLC Milling, Turning, Swiss, Laser, Welding, EDM, Assembly | North Versailles, PA | MillingTurningSwissLaserWeldingEDMAssembly | - |
| Delflo Industries Inc Milling, Turning, Waterjet, Bending, Welding, EDM, Grinding, Assembly · ISO 9001, AS9100, ITAR, ISO 13485, CMMC | Delray Beach, FL | MillingTurningWaterjetBendingWeldingEDMGrindingAssembly | ISO 9001, AS9100, ITAR, ISO 13485, CMMC |
| Desalvo Systems Inc Milling, Turning · ITAR | Yuma, AZ | MillingTurning | ITAR |
| Digital Machining Systems LLC Milling, Turning, Welding, Assembly · ISO 9001 | Duson, LA | MillingTurningWeldingAssembly | ISO 9001 |
| Dynamic Machine of Detroit Milling, Turning, Casting, Metal AM | Troy, MI | MillingTurningCastingMetal AM | - |
| Eas Manufacturing Co Milling, Turning, Welding, EDM, Grinding | Camarillo, CA | MillingTurningWeldingEDMGrinding | - |
| Eck Fabrication LLC Milling, Turning, Bending, Welding, Grinding | Kingman, KS | MillingTurningBendingWeldingGrinding | - |
| EDM Intelligent Solutions Milling, EDM, Grinding · ISO 9001, ITAR | Bartlett, IL | MillingEDMGrinding | ISO 9001, ITAR |
| Engineering Manufacturing Tech Milling, Laser, Welding, Stamping | Endicott, NY | MillingLaserWeldingStamping | - |
| Estes Design & Manufacturing Inc Milling, Turning, Laser, Punching, Bending, Welding, Grinding · ISO 13485 | Indianapolis, IN | MillingTurningLaserPunchingBendingWeldingGrinding | ISO 13485 |
| Falk Precision Inc Milling, Turning, Welding, Waterjet, EDM | East Syracuse, NY | MillingTurningWeldingWaterjetEDM | - |
| Fathouse Fabrications Laser, Bending, Welding, Finishing | Martinsville, IN | LaserBendingWeldingFinishing | - |
| Five Star Enterprises Milling, Laser, Waterjet, Welding, Stamping, Metal AM, EDM, Finishing | San Marcos, CA | MillingLaserWaterjetWeldingStampingMetal AMEDMFinishing | - |
| Frank Roth Co Inc Welding · ISO 9001, AS9100 | Stratford, CT | Welding | ISO 9001, AS9100 |
| Fusion Babbitting Co, Inc Milling, Turning, Casting | Milwaukee, WI | MillingTurningCasting | - |
| Global Precision Group LLC Turning, Welding, Finishing · ISO 9001 | Muskego, WI | TurningWeldingFinishing | ISO 9001 |
| GM Diecron, LLC Milling, Turning, Swiss, EDM, Finishing, Assembly · AS9100 | Griffin, GA | MillingTurningSwissEDMFinishingAssembly | AS9100 |
| GN Manufacturing LLC Milling, Turning, Swiss | Granite Falls, WA | MillingTurningSwiss | - |
| Gradient Design & Engineering, Inc Milling, Turning · ISO 9001 | Leominster, MA | MillingTurning | ISO 9001 |
| Great Lakes Castings Casting, Grinding · ISO 9001, IATF 16949 | Ludington, MI | CastingGrinding | ISO 9001, IATF 16949 |
| Grind-All Corporation Grinding · ISO 9001, AS9100, ITAR | Brunswick, OH | Grinding | ISO 9001, AS9100, ITAR |
| Gtscientific LLC Milling, Turning, Laser, Welding, Grinding | Honolulu, HI | MillingTurningLaserWeldingGrinding | - |
| H3 Manufacturing Group LLC Laser, Bending, Welding, Finishing · ISO 9001 | Schaumburg, IL | LaserBendingWeldingFinishing | ISO 9001 |
| Hardric Laboratories, Inc Milling, EDM · ISO 9001 | Hudson, NH | MillingEDM | ISO 9001 |
| Hards Fabrication & Welding, Inc Milling, Turning, Waterjet, Bending, Welding | Seneca, PA | MillingTurningWaterjetBendingWelding | - |
| Highway Machine Co Inc Milling, Welding, Grinding | Princeton, IN | MillingWeldingGrinding | - |
| Horizon Tech Industries Inc Milling, Turning, Swiss, Finishing | Fort Worth, TX | MillingTurningSwissFinishing | - |
| Hy-Speed Machining, Inc Milling, Turning, EDM | Grants Pass, OR | MillingTurningEDM | - |
| Ickler Manufacturing LLC Milling | Mooresville, NC | Milling | - |
| Industrial Manufacturing Specialties, Inc Milling, Turning, Welding, EDM, Grinding · ISO 9001, AS9100 | Decatur, AL | MillingTurningWeldingEDMGrinding | ISO 9001, AS9100 |
| Instrument Development Corp Milling, Turning, EDM | Mukwonago, WI | MillingTurningEDM | - |
| Inventery Precision Milling, Turning, Swiss, Finishing, Assembly · ISO 9001, AS9100, ITAR, CMMC | Pasadena, CA | MillingTurningSwissFinishingAssembly | ISO 9001, AS9100, ITAR, CMMC |
| Ironleaf Designs, LLC Laser | Pineville, NC | Laser | - |
| Jaguar Precision Machine, LLC. Milling, Turning, Bending, Welding, Waterjet, Stamping, Metal AM · ISO 9001, AS9100, ITAR | Albuquerque, NM | MillingTurningBendingWeldingWaterjetStampingMetal AM | ISO 9001, AS9100, ITAR |
| JCB Precision, LLC Milling | Concord, NH | Milling | - |
| JMR Machining LLC Milling, Turning, Casting, Finishing | Athens, TX | MillingTurningCastingFinishing | - |
| JMT Inc Milling, Turning · ISO 9001, AS9100, ITAR, CMMC | Norwalk, CA | MillingTurning | ISO 9001, AS9100, ITAR, CMMC |
| JV Precision Machine Co Milling, EDM · ISO 9001, AS9100, ITAR | Seymour, CT | MillingEDM | ISO 9001, AS9100, ITAR |
| K & E Plastics Inc Milling, Turning, Swiss, Bending · ISO 9001, ITAR | Bennington, VT | MillingTurningSwissBending | ISO 9001, ITAR |
| K & K Precision, Inc Milling, Turning, EDM, Grinding | Mason, OH | MillingTurningEDMGrinding | - |
| K&S Machining Milling, Turning | Madison, AL | MillingTurning | - |
| Kennley Corp Milling, Turning, Grinding, Finishing | North Chesterfield, VA | MillingTurningGrindingFinishing | - |
| King Precision Solutions Milling, Turning, Welding, EDM · ISO 9001, ITAR | Erie, PA | MillingTurningWeldingEDM | ISO 9001, ITAR |
| Kovlar Precision Manufacturing, Inc Milling | Bedford, PA | Milling | - |
| Laguna Tools Turning, Laser, Waterjet | Grand Prairie, TX | TurningLaserWaterjet | - |
| Lai International Inc Milling, Laser, Waterjet, Welding, Metal AM, EDM, Finishing · NADCAP | Westminster, MD | MillingLaserWaterjetWeldingMetal AMEDMFinishing | NADCAP |
| Land Sea Air Manufacturing Inc Milling, Turning, Waterjet, Assembly | Westminster, MD | MillingTurningWaterjetAssembly | - |
| Lawruk Machine & Tool Milling, Turning, Welding, Grinding · ISO 9001 | Altoona, PA | MillingTurningWeldingGrinding | ISO 9001 |
| LC Manufacturing LLC Milling, Forging · ISO 9001, IATF 16949 | Lake City, MI | MillingForging | ISO 9001, IATF 16949 |