| Accurate Industrial Machining Inc Milling, Turning, Laser, Bending, Welding, Assembly · ISO 9001, ITAR, CMMC | Holbrook, NY | MillingTurningLaserBendingWeldingAssembly | ISO 9001, ITAR, CMMC |
| Accurate Metal Products Milling, Punching, Bending, Welding | Jurupa Valley, CA | MillingPunchingBendingWelding | - |
| Accurate Metals Illinois Laser, Welding · ISO 9001 | Rockford, IL | LaserWelding | ISO 9001 |
| Accurounds, Inc Milling, Turning, Swiss, Grinding, Assembly · ISO 9001, AS9100, ISO 13485 | Avon, MA | MillingTurningSwissGrindingAssembly | ISO 9001, AS9100, ISO 13485 |
| Acme Industries, Inc Milling, Turning, Welding, Casting · ISO 9001, AS9100 | Elk Grove Village, IL | MillingTurningWeldingCasting | ISO 9001, AS9100 |
| Acro Manufacturing Corporation Milling, Turning, Welding · ISO 9001 | Cedar Rapids, IA | MillingTurningWelding | ISO 9001 |
| ACS Steel Company Milling, Turning, Bending, Welding | Tulsa, OK | MillingTurningBendingWelding | - |
| Action Tool Service Inc Turning, Welding, EDM, Grinding | Hampton, VA | TurningWeldingEDMGrinding | - |
| Active Solutions, L.L.C Milling, Turning, Waterjet, Bending, Welding, Finishing, Assembly · AS9100 | Chandler, AZ | MillingTurningWaterjetBendingWeldingFinishingAssembly | AS9100 |
| Ads Finishing LLC Waterjet, Welding, Finishing | Tucson, AZ | WaterjetWeldingFinishing | - |
| Advance Manufacturing Tech Milling, Turning, Welding · ISO 9001, AS9100 | Salt Lake City, UT | MillingTurningWelding | ISO 9001, AS9100 |
| Advance Metal Products Bending, Welding | Los Angeles, CA | BendingWelding | - |
| Advanced Automotive Group, L.L.C Milling, Welding, Stamping | Algonac, MI | MillingWeldingStamping | - |
| Advanced Fabrication Bending, Welding, Waterjet | Bakersfield, CA | BendingWeldingWaterjet | - |
| Advanced Fabrication Technology Laser, Punching, Welding, Finishing, Assembly · ISO 9001 | Hayward, CA | LaserPunchingWeldingFinishingAssembly | ISO 9001 |
| Advanced Machine & Tooling Inc Milling, Turning, Laser, Punching, Bending, Welding, Stamping, Grinding | Virginia Beach, VA | MillingTurningLaserPunchingBendingWeldingStampingGrinding | - |
| Advanced Machining Milling, Turning, Swiss, EDM · ISO 9001, ITAR | Longmont, CO | MillingTurningSwissEDM | ISO 9001, ITAR |
| Advanced Machining & Tooling, LLC Milling, Turning, Welding, Stamping, EDM, Grinding, Finishing · ISO 9001 | Salisbury, NC | MillingTurningWeldingStampingEDMGrindingFinishing | ISO 9001 |
| Advanced Machining Inc Milling, Turning, Waterjet, Welding | New Smyrna Beach, FL | MillingTurningWaterjetWelding | - |
| Advanced Machining Solutions Milling, Turning, Welding | Oklahoma City, OK | MillingTurningWelding | - |
| Advanced Machining Techniques Inc Milling, Turning, Welding, Assembly · ISO 9001, AS9100, ISO 13485 | Morgan Hill, CA | MillingTurningWeldingAssembly | ISO 9001, AS9100, ISO 13485 |
| Advanced Manufacturing & Fabrication Inc Milling, Turning, Laser, Punching, Bending, Welding, Stamping | Phoenix, AZ | MillingTurningLaserPunchingBendingWeldingStamping | - |
| Advanced Mechatronics Corp Milling, Turning, Welding, EDM, Grinding | Norton Shores, MI | MillingTurningWeldingEDMGrinding | - |
| Advanced Metals Machining LLC Milling, Finishing | Olyphant, PA | MillingFinishing | - |
| Advanced Plating Technologies Welding, Finishing · ISO 9001, ITAR, ISO 13485 | Milwaukee, WI | WeldingFinishing | ISO 9001, ITAR, ISO 13485 |
| Advanced Precision Machining, Inc Milling, Welding, EDM, Finishing · AS9100 | Garden City, ID | MillingWeldingEDMFinishing | AS9100 |
| Advanced Precision Machining, LLC Milling, Turning, Laser, Waterjet, EDM, Assembly · AS9100, ITAR, CMMC | Costa Mesa, CA | MillingTurningLaserWaterjetEDMAssembly | AS9100, ITAR, CMMC |
| Advanced Precision Mfg Bending, Welding · ISO 9001 | Salt Lake City, UT | BendingWelding | ISO 9001 |
| Advanced Thrtical Concepts Inc Milling, Turning, Swiss, Laser, Waterjet, Welding, Grinding, Finishing | Camarillo, CA | MillingTurningSwissLaserWaterjetWeldingGrindingFinishing | - |
| Advantech Industries Inc Milling, Laser, Waterjet, Punching, Bending, Welding, Assembly · ISO 9001, ITAR | Rochester, NY | MillingLaserWaterjetPunchingBendingWeldingAssembly | ISO 9001, ITAR |
| Aero Specialties Manufacturing Corp Waterjet, Bending · AS9100 | Deer Park, NY | WaterjetBending | AS9100 |
| Aero-Mach Precision LLC Milling, Turning, Welding, Finishing | Mesa, AZ | MillingTurningWeldingFinishing | - |
| Aeromax Technologies LLC Welding, Assembly · AS9100, ITAR | Savannah, GA | WeldingAssembly | AS9100, ITAR |
| Aerospace Fabrications of Georgia Inc Milling, Waterjet, Bending · ISO 9001, AS9100, ITAR | Dallas, GA | MillingWaterjetBending | ISO 9001, AS9100, ITAR |
| Aerospace Laser Cleaning Welding, Grinding, Finishing · AS9100, ITAR, NADCAP | Monument, CO | WeldingGrindingFinishing | AS9100, ITAR, NADCAP |
| Aerospace Manufacturing Inc Welding, Assembly · AS9100 | Canyon Countrt, CA | WeldingAssembly | AS9100 |
| Aerotar Inc Milling, Welding, Grinding · ISO 9001 | Opa Locka, FL | MillingWeldingGrinding | ISO 9001 |
| 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 | - |
| Airtec Corp Laser, Punching, Bending, Welding, Grinding, Finishing | Detroit, MI | LaserPunchingBendingWeldingGrindingFinishing | - |
| Akins Manufacturing, Inc Welding | Algodones, NM | Welding | - |
| Alabama Specialty Products, Inc Laser, Punching, Welding | Munford, AL | LaserPunchingWelding | - |
| Albion Machine and Tool LLC Milling, Turning, Laser, Welding, Grinding, Finishing | Albion, MI | MillingTurningLaserWeldingGrindingFinishing | - |
| ALC Engineered Solutions Company Milling, Turning, Swiss, EDM, Finishing · ISO 9001 | Lockwood, MO | MillingTurningSwissEDMFinishing | ISO 9001 |
| Alexander's Machine Laser, Welding | Fort Worth, TX | LaserWelding | - |
| Alinabal Laser, Waterjet, Bending, Welding, Stamping, EDM, Grinding, Assembly | Milford, CT | LaserWaterjetBendingWeldingStampingEDMGrindingAssembly | - |
| All American Metal Fabrication Bending, Laser, Welding, Waterjet | Anaheim, CA | BendingLaserWeldingWaterjet | - |
| All Materials Manufacturing Co LLC Milling, Turning, Swiss, Finishing · ISO 9001, AS9100, ITAR | Riverside, CA | MillingTurningSwissFinishing | ISO 9001, AS9100, ITAR |
| All Time Machine Inc Milling, Turning, Finishing · AS9100 | Ontario, CA | MillingTurningFinishing | AS9100 |