| A-1 Precision, Inc Milling, Turning, Swiss, Grinding · ISO 9001 | Vancouver, WA | MillingTurningSwissGrinding | ISO 9001 |
| Ab Precision Grinding Co Inc Milling, Grinding · ISO 9001, AS9100, CMMC | Easton, PA | MillingGrinding | ISO 9001, AS9100, CMMC |
| Above All CNC Inc Milling, Turning · ISO 9001, AS9100, ITAR | Goleta, CA | MillingTurning | ISO 9001, AS9100, ITAR |
| Abrasive Waterjet of Indiana, LLC Laser, Waterjet, Bending, EDM · ISO 9001 | Noblesville, IN | LaserWaterjetBendingEDM | ISO 9001 |
| Absolute Precision Machining, Inc. Turning, Welding · ISO 9001, AS9100 | Anaheim, CA | TurningWelding | ISO 9001, AS9100 |
| Abw Technologies, Inc Milling, Welding · ISO 9001, AS9100 | Arlington, WA | MillingWelding | ISO 9001, AS9100 |
| Accelerated Tooling LLC Milling, Turning · ISO 9001 | Grand Rapids, MI | MillingTurning | ISO 9001 |
| Accu-Rite Tool & Manufacturing Co Inc Milling, Turning · ISO 9001 | Tolland, CT | MillingTurning | ISO 9001 |
| Accu-Tool, LLC Milling, Turning, EDM · ISO 9001, AS9100 | Apex, NC | MillingTurningEDM | ISO 9001, AS9100 |
| Accumation Swiss Turning, Swiss · ISO 9001 | Crystal Lake, IL | TurningSwiss | ISO 9001 |
| Accurate Marking Products, Inc Milling, Turning, EDM · ISO 9001, AS9100, ITAR | New Kensington, PA | MillingTurningEDM | ISO 9001, AS9100, ITAR |
| 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 Metal Works Inc Milling, Welding · ISO 9001 | Gilbert, AZ | MillingWelding | ISO 9001 |
| Acro Manufacturing Corporation Milling, Turning, Welding · ISO 9001 | Cedar Rapids, IA | MillingTurningWelding | ISO 9001 |
| Acroturn Industries USA LLC Milling · ISO 9001, AS9100 | Tavares, FL | Milling | ISO 9001, AS9100 |
| Adron Tool Corp EDM · ISO 9001, AS9100, ITAR, NADCAP | Sussex, WI | EDM | ISO 9001, AS9100, ITAR, NADCAP |
| Advance Machine Technologies, Inc. Milling, Turning, Bending, Welding, Waterjet · ISO 9001 | Johnston, IA | MillingTurningBendingWeldingWaterjet | ISO 9001 |
| Advanced CNC Technology Inc Milling, Turning, Welding, Grinding · ISO 9001, ITAR | Sterling Heights, MI | MillingTurningWeldingGrinding | ISO 9001, ITAR |
| Advanced Machining Technologies L.L.C Milling, Turning · ISO 9001, AS9100 | Plainville, CT | MillingTurning | ISO 9001, AS9100 |
| Advanced Materials Technologies, LLC Milling, Turning, Welding, EDM, Grinding · ISO 9001, AS9100 | Chandler, AZ | MillingTurningWeldingEDMGrinding | ISO 9001, AS9100 |
| Advanced Precision Engineering Milling, Turning, EDM · ISO 9001, AS9100 | Ipswich, MA | MillingTurningEDM | ISO 9001, AS9100 |
| Advanced Precision Mfg Bending, Welding · ISO 9001 | Salt Lake City, UT | BendingWelding | ISO 9001 |
| Aero Industries, LLC Milling · ISO 9001 | Buellton, CA | Milling | ISO 9001 |
| Aero Mechanism Precision Inc Milling, Assembly · ISO 9001, AS9100 | Chatsworth, CA | MillingAssembly | ISO 9001, AS9100 |
| Aero-Space Tooling & Machining Milling, Turning, EDM · ISO 9001, AS9100 | Salt Lake City, UT | MillingTurningEDM | ISO 9001, AS9100 |
| Aero-Tech Engineering Inc Milling, Turning, Welding, Assembly · ISO 9001, AS9100, ITAR | Maize, KS | MillingTurningWeldingAssembly | ISO 9001, AS9100, ITAR |
| Aeropact Manufacturing LLC Milling · ISO 9001, AS9100 | Bowling Green, OH | Milling | ISO 9001, AS9100 |
| AeroParts Machining Milling · ISO 9001 | Mansfield, TX | Milling | ISO 9001 |
| Aerospace Fabrications of Georgia Inc Milling, Waterjet, Bending · ISO 9001, AS9100, ITAR | Dallas, GA | MillingWaterjetBending | ISO 9001, AS9100, ITAR |
| Aerotech Precision Machining, Inc Milling, Turning, Assembly · ISO 9001, AS9100 | Lancaster, CA | MillingTurningAssembly | ISO 9001, AS9100 |
| Airtronics Metal Products Milling, Laser, Punching, Bending, Welding, Assembly · ISO 9001, ISO 13485 | Morgan Hill, CA | MillingLaserPunchingBendingWeldingAssembly | ISO 9001, ISO 13485 |
| Aldrich Solutions Incorporated Turning · ISO 9001, ITAR | Williamsville, NY | Turning | ISO 9001, ITAR |
| Alexander's Machine Shop, Inc Milling, Turning, Welding · ISO 9001 | Jonesboro, AR | MillingTurningWelding | ISO 9001 |
| All New Stamping Co Laser, Punching, Bending, Stamping, Grinding · ISO 9001, AS9100 | El Monte, CA | LaserPunchingBendingStampingGrinding | ISO 9001, AS9100 |
| Allen Tool Phoenix Inc Milling, Turning · ISO 9001, AS9100 | East Syracuse, NY | MillingTurning | ISO 9001, AS9100 |
| Alliance Tool & Precision Machining a Division of Murray Equipment Milling · ISO 9001 | Fort Wayne, IN | Milling | ISO 9001 |
| Allied Precision, Inc Milling, Turning, Swiss, Welding, Grinding · ISO 9001 | Middletown, DE | MillingTurningSwissWeldingGrinding | ISO 9001 |
| Allied Specialty Precision Inc Milling, Turning, Welding, EDM · ISO 9001, AS9100, NADCAP | Mishawaka, IN | MillingTurningWeldingEDM | ISO 9001, AS9100, NADCAP |
| Allied Technologies Milling, Turning, Swiss · ITAR, ISO 13485 | Wilsonville, OR | MillingTurningSwiss | ITAR, ISO 13485 |
| Alloy Welding and Manufacturing Co., Inc. Welding, Waterjet · ISO 9001 | Bristol, CT | WeldingWaterjet | ISO 9001 |
| Alpha Aviation Components, Inc Milling, Turning · ISO 9001, AS9100, ITAR | North Hills, CA | MillingTurning | ISO 9001, AS9100, ITAR |
| Alpha Machinery & Technology Co, Inc Milling, Bending, Welding · ISO 9001, AS9100 | Los Angeles, CA | MillingBendingWelding | ISO 9001, AS9100 |
| Alpha Manufacturing Corp Milling, Turning · ISO 9001, ITAR | Farmingdale, NY | MillingTurning | ISO 9001, ITAR |
| Alpine Conglomerate, LLC Milling, Welding · ISO 9001, AS9100, ITAR, NADCAP, CMMC | Bloomer, WI | MillingWelding | ISO 9001, AS9100, ITAR, NADCAP, CMMC |
| Alu-Bra Foundry, Inc Casting · ISO 9001 | Bensenville, IL | Casting | ISO 9001 |
| American Machining Solutions Inc Milling, Turning, Swiss, EDM, Grinding · ISO 9001, AS9100 | Willow Spring, NC | MillingTurningSwissEDMGrinding | ISO 9001, AS9100 |
| American Precision Assembly Assembly · ISO 9001, AS9100 | Huntington Beach, CA | Assembly | ISO 9001, AS9100 |
| American Precision Manufacturing, Inc Milling, Laser, Welding, Assembly · ISO 9001, AS9100 | Gilbert, AZ | MillingLaserWeldingAssembly | ISO 9001, AS9100 |
| American Products Co Inc Milling, Turning, Bending, EDM · ISO 9001, AS9100 | Union, NJ | MillingTurningBendingEDM | ISO 9001, AS9100 |