| New Method Steel Stamps Inc Milling, Turning, Laser, Bending, Stamping · ISO 9001 | Fraser, MI | MillingTurningLaserBendingStamping | ISO 9001 |
| Nikel Precision Group LLC Milling, Turning, Grinding, Assembly · ISO 13485 | Saco, ME | MillingTurningGrindingAssembly | ISO 13485 |
| Reader Precision Solutions, Inc Milling, Turning, Swiss | Elkhorn, WI | MillingTurningSwiss | - |
| ZI Machine Milling, Turning · ISO 9001, AS9100, ITAR | El Dorado Hills, CA | MillingTurning | ISO 9001, AS9100, ITAR |
| Aurele M Gatti Inc Milling, Turning, Waterjet | Fairless Hills, PA | MillingTurningWaterjet | - |
| Cut- Out Creations Milling, Turning, Welding | Rochester, NY | MillingTurningWelding | - |
| Farrell Brothers Holding Corp Milling, Turning, Swiss · ISO 9001, ISO 13485 | Anaheim, CA | MillingTurningSwiss | ISO 9001, ISO 13485 |
| Habco Tool & Development Co Inc Milling, Turning, EDM, Grinding, Finishing · ISO 9001, AS9100, ITAR | Mentor, OH | MillingTurningEDMGrindingFinishing | ISO 9001, AS9100, ITAR |
| Instrument Development Corp Milling, Turning, EDM | Mukwonago, WI | MillingTurningEDM | - |
| N.C.T., Inc Milling, Turning, Swiss, Welding, Grinding | Colchester,, CT | MillingTurningSwissWeldingGrinding | - |
| Shackelford Machine Inc Milling, Turning, Assembly · ISO 9001, AS9100, ITAR | Clearwater, KS | MillingTurningAssembly | ISO 9001, AS9100, ITAR |
| Specialty Machine Milling, Turning, Swiss, Laser, Bending, Welding, EDM, Grinding, Assembly · ISO 9001, AS9100, ITAR | Lago Vista, TX | MillingTurningSwissLaserBendingWeldingEDMGrindingAssembly | ISO 9001, AS9100, ITAR |
| Master Machine LLC Milling, Turning, Welding · ISO 9001 | Chattanooga, TN | MillingTurningWelding | ISO 9001 |
| Millrite Machine Inc Turning, Assembly · ISO 9001 | Westfield, MA | TurningAssembly | ISO 9001 |
| 110 Metalworks Inc Milling, Turning, Laser, Bending, Welding, Finishing · ISO 9001, AS9100, ITAR | Liverpool, NY | MillingTurningLaserBendingWeldingFinishing | ISO 9001, AS9100, ITAR |
| 360 Machine Shop Milling, Turning, Laser, Welding, Metal AM | Bloomington, IL | MillingTurningLaserWeldingMetal AM | - |
| 425 Manufacturing Milling, Turning, Welding, EDM · ISO 9001 | Rockford, IL | MillingTurningWeldingEDM | ISO 9001 |
| 7D Manufacturing Milling, Turning, Bending, Welding | Dallas, TX | MillingTurningBendingWelding | - |
| A & P Fabricating Solutions, LLC Milling, Turning, Bending, Laser, Welding | Appleton, WI | MillingTurningBendingLaserWelding | - |
| A & S Fabricating Co Milling, Turning, Bending, Welding, Grinding, Assembly | Livermore, KY | MillingTurningBendingWeldingGrindingAssembly | - |
| A & S Industrial LLC Turning, Laser, Bending, Welding | Chassell, MI | TurningLaserBendingWelding | - |
| A B & F Sheet Metal Products Inc Milling, Turning, Waterjet, Bending, Welding, Finishing · AS9100, ITAR | Cheshire, CT | MillingTurningWaterjetBendingWeldingFinishing | AS9100, ITAR |
| A.r.e. Manufacturing, Inc Milling, Turning, Swiss, Laser, Bending, Welding, EDM, Grinding, Finishing · ISO 9001 | Newberg, OR | MillingTurningSwissLaserBendingWeldingEDMGrindingFinishing | ISO 9001 |
| A&j Custom Metals LLC Milling, Turning, Bending, Welding, Grinding | Graham, WA | MillingTurningBendingWeldingGrinding | - |
| A&k Manufacturing Inc Turning, Welding, Assembly | Sun Valley, CA | TurningWeldingAssembly | - |
| AAT Omega, LLC Milling, Turning, Laser, Punching, Bending, Welding, EDM, Grinding, Finishing, Assembly · ISO 9001, AS9100, ITAR, NADCAP | Keystone Heights, FL | MillingTurningLaserPunchingBendingWeldingEDMGrindingFinishingAssembly | ISO 9001, AS9100, ITAR, NADCAP |
| Abacorp CNC Machined Parts Milling, Turning, Laser, Welding · AS9100 | Moorpark, CA | MillingTurningLaserWelding | AS9100 |
| Acc Precision Inc Milling, Turning, Welding, Grinding | Oxnard, CA | MillingTurningWeldingGrinding | - |
| Accrotool, Inc Milling, Turning, Laser, Punching, Bending, Welding, Stamping, Finishing, Assembly | New Kensington, PA | MillingTurningLaserPunchingBendingWeldingStampingFinishingAssembly | - |
| Accu-Grind & Mfg. Co. Inc Milling, Turning, Welding, Grinding, Finishing · ISO 9001 | Dayton, OH | MillingTurningWeldingGrindingFinishing | ISO 9001 |
| Accu-Tech Manufacturing Milling, Turning, Welding | Shelby Township, MI | MillingTurningWelding | - |
| Accurate Industrial Machining Inc Milling, Turning, Laser, Bending, Welding, Assembly · ISO 9001, ITAR, CMMC | Holbrook, NY | MillingTurningLaserBendingWeldingAssembly | ISO 9001, ITAR, CMMC |
| Accurate Machine Works Milling, Turning, Welding, EDM | College Sta, TX | MillingTurningWeldingEDM | - |
| ACE Machine & Metal Fab Co Milling, Turning, Bending, Welding · ISO 9001 | Nashville, TN | MillingTurningBendingWelding | ISO 9001 |
| Acro Manufacturing Corporation Milling, Turning, Welding · ISO 9001 | Cedar Rapids, IA | MillingTurningWelding | ISO 9001 |
| Active Solutions, L.L.C Milling, Turning, Waterjet, Bending, Welding, Finishing, Assembly · AS9100 | Chandler, AZ | MillingTurningWaterjetBendingWeldingFinishingAssembly | AS9100 |
| Advance Apex Inc Milling, Turning, Swiss, Welding · ISO 9001, AS9100, ITAR | Grove City, OH | MillingTurningSwissWelding | ISO 9001, AS9100, ITAR |
| Advance Machine Technologies, Inc. Milling, Turning, Bending, Welding, Waterjet · ISO 9001 | Johnston, IA | MillingTurningBendingWeldingWaterjet | ISO 9001 |
| Advance Manufacturing Tech Milling, Turning, Welding · ISO 9001, AS9100 | Salt Lake City, UT | MillingTurningWelding | ISO 9001, AS9100 |
| Advance Metal Fabrication Mach Turning, Laser, Punching, Bending, Welding, Stamping, Finishing | Prescott, AZ | TurningLaserPunchingBendingWeldingStampingFinishing | - |
| Advanced Machine & Tooling Inc Milling, Turning, Laser, Punching, Bending, Welding, Stamping, Grinding | Virginia Beach, VA | MillingTurningLaserPunchingBendingWeldingStampingGrinding | - |
| Advanced Machining & Tooling, LLC Milling, Turning, Welding, Stamping, EDM, Grinding, Finishing · ISO 9001 | Salisbury, NC | MillingTurningWeldingStampingEDMGrindingFinishing | ISO 9001 |
| Advanced Machining Solutions Milling, Turning, Welding | Oklahoma City, OK | MillingTurningWelding | - |
| Advanced Manufacturing & Fabrication Inc Milling, Turning, Laser, Punching, Bending, Welding, Stamping | Phoenix, AZ | MillingTurningLaserPunchingBendingWeldingStamping | - |
| Advanced Thrtical Concepts Inc Milling, Turning, Swiss, Laser, Waterjet, Welding, Grinding, Finishing | Camarillo, CA | MillingTurningSwissLaserWaterjetWeldingGrindingFinishing | - |
| Aero Tech Manufactuting Inc Milling, Turning, Laser, Punching, Bending, Welding, Finishing, Assembly · ISO 9001 | North Salt Lake, UT | MillingTurningLaserPunchingBendingWeldingFinishingAssembly | ISO 9001 |
| Aero-Mach Precision LLC Milling, Turning, Welding, Finishing | Mesa, AZ | MillingTurningWeldingFinishing | - |
| AGF Custom Metal Concepts Turning, Bending, Laser, Welding | Dallas, TX | TurningBendingLaserWelding | - |
| Agi Corporation Milling, Turning, Welding, EDM, Finishing | Huntsville, AL | MillingTurningWeldingEDMFinishing | - |
| Air-Lake Machine Milling, Turning, Welding | Lakeville, MN | MillingTurningWelding | - |