| Multi-Axis Technologies LLC Milling, Turning | Kent, WA | MillingTurning | - |
| Palmer Precision Milling, Turning | Tucson, AZ | MillingTurning | - |
| Panther Precision Machine Inc Milling, Turning, Welding | Anoka, MN | MillingTurningWelding | - |
| Park Precision Machining Inc Milling, Turning | Minneapolis, MN | MillingTurning | - |
| Pgi Steel Milling, Turning, Welding, Grinding, Finishing · ISO 9001, ITAR | Birmingham, AL | MillingTurningWeldingGrindingFinishing | ISO 9001, ITAR |
| Phillips Precision Machining, LLC Milling, Turning | Bartlesville, OK | MillingTurning | - |
| Phoenix Precision Machining Milling, Turning, Casting | Trinity, NC | MillingTurningCasting | - |
| Pinnacle Precision, LLC Milling, Turning, Welding | Arab, AL | MillingTurningWelding | - |
| Polaris Engineering Inc Milling, Turning, Welding, EDM, Grinding | Fraser, MI | MillingTurningWeldingEDMGrinding | - |
| Port City Metal Services Milling, Welding | Tulsa, OK | MillingWelding | - |
| Precise Cast Prototypes & Engineering Inc Milling, Casting | Commerce City, CO | MillingCasting | - |
| Precision Die Systems Corp Milling, Welding, Grinding | Chippewa Falls, WI | MillingWeldingGrinding | - |
| Precision Ingenuity, LLC Milling, Turning · ITAR | Siloam Springs, AR | MillingTurning | ITAR |
| Precision Machining Solutions Inc Milling, Welding | Sterling Heights, MI | MillingWelding | - |
| Precision Mold & Machining Services Inc Milling, EDM · ITAR | Warren, MI | MillingEDM | ITAR |
| Prisecter Aerospace and Defense LLC Milling, Turning, Waterjet, Welding, Assembly · AS9100, ITAR, CMMC | Auburn, CA | MillingTurningWaterjetWeldingAssembly | AS9100, ITAR, CMMC |
| Rapid Precision Works LLC Milling, Turning, EDM | Alachua, FL | MillingTurningEDM | - |
| Red Cliff Precision LLC Milling, Turning · ITAR | Spring, TX | MillingTurning | ITAR |
| Rogue Precision Manufacturing LLC Milling, Turning | Tomball, TX | MillingTurning | - |
| Rtat Precision Machining, LLC Milling, Turning | Fairfax, VT | MillingTurning | - |
| S & B Precision Manufacturing LLC Milling | Vista, CA | Milling | - |
| Silicon Precision Machining Inc Milling, Turning | Fremont, CA | MillingTurning | - |
| Sirois Tool Company, Inc Milling, Turning, EDM, Grinding, Assembly | Berlin, CT | MillingTurningEDMGrindingAssembly | - |
| Smi Metal Precision LLC Milling | Houston, TX | Milling | - |
| Southern Precision, Inc Milling, Turning, Stamping | Saint Rose, LA | MillingTurningStamping | - |
| Takfab Precision Gunsmithing LLC Milling, Welding | Oak Harbor, WA | MillingWelding | - |
| Thompson Precision Inc Milling, Turning, Welding · AS9100 | Kalispell, MT | MillingTurningWelding | AS9100 |
| Tis Aerospace LLC Milling, Turning, Waterjet, Punching, Welding, Stamping, Assembly | Cinnaminson, NJ | MillingTurningWaterjetPunchingWeldingStampingAssembly | - |
| Ultimate Precision Tech Milling, Turning, EDM | Houston, TX | MillingTurningEDM | - |
| United Precision Services Milling, Turning, Bending, Welding, Waterjet | Cincinnati, OH | MillingTurningBendingWeldingWaterjet | - |
| US Precision Sheet Metal, Inc Milling, Laser, Punching, Welding, Assembly | Riverside, CA | MillingLaserPunchingWeldingAssembly | - |
| Valence Precision LLC Milling, Turning, Laser, Waterjet, Bending, Welding, Grinding | Richmond, CA | MillingTurningLaserWaterjetBendingWeldingGrinding | - |
| Velocity Custom Fabrication Milling, Bending, Laser, Welding | Tulsa, OK | MillingBendingLaserWelding | - |
| Vision Machine & Fab Corp Milling, Turning, Grinding | Hampton, VA | MillingTurningGrinding | - |
| Vista Manufacturing Company Milling, Turning, Bending, Laser, Welding | Kansas City, KS | MillingTurningBendingLaserWelding | - |
| Wilson Precision Manufacturing LLC Milling | Dickinson, TX | Milling | - |
| Wisconsin Metal Fab LLC Milling, Laser, Punching, Bending, Welding | Chippewa Falls, WI | MillingLaserPunchingBendingWelding | - |
| Zyxaxis Inc Milling, Welding, EDM, Grinding, Assembly · AS9100, ITAR | Wichita, KS | MillingWeldingEDMGrindingAssembly | AS9100, ITAR |
| A A Precision Machine Co Inc Milling, Welding, Grinding | Fall River, MA | MillingWeldingGrinding | - |
| Allied Precision Components LLC Milling, Turning, Swiss | Wallingford, CT | MillingTurningSwiss | - |
| American Precision Industries, Inc Milling, Turning, Laser, Bending, Welding, Finishing | Hillsboro, OR | MillingTurningLaserBendingWeldingFinishing | - |
| American Precision Tool & Engineering, Inc Milling, Turning, Swiss, Welding, Grinding, Finishing | Pacoima, CA | MillingTurningSwissWeldingGrindingFinishing | - |
| Anderson Precision Machining Milling, Casting, Metal AM · AS9100, ITAR | Tucson, AZ | MillingCastingMetal AM | AS9100, ITAR |
| Ap Precision Machine Inc Milling, Turning, Waterjet, Finishing | Holliston, MA | MillingTurningWaterjetFinishing | - |
| Archimedes Products Inc Milling, Turning, Welding, Stamping, Grinding, Finishing · ISO 9001, AS9100 | Bohemia, NY | MillingTurningWeldingStampingGrindingFinishing | ISO 9001, AS9100 |
| Bci Solutions, Inc Milling, Casting, Grinding, Assembly · ISO 9001, IATF 16949 | Bremen, IN | MillingCastingGrindingAssembly | ISO 9001, IATF 16949 |
| Cassavant Machining, LLC Milling, Turning, Swiss, Welding, EDM, Grinding, Finishing · ISO 9001, AS9100 | Phoenix, AZ | MillingTurningSwissWeldingEDMGrindingFinishing | ISO 9001, AS9100 |
| Cobalt Enterprises LLC Milling, Finishing · ITAR | Arlington, WA | MillingFinishing | ITAR |
| Combs Enterprises Incorporated Milling, Turning, Bending, Welding, Finishing · ITAR | Great Mills, MD | MillingTurningBendingWeldingFinishing | ITAR |
| Conner Brothers Machine Co., Inc Milling, Turning, Welding, Grinding · ISO 9001 | Bessemer City, NC | MillingTurningWeldingGrinding | ISO 9001 |