| Cad Enterprises, Inc Milling, Swiss, Waterjet, Welding, EDM, Grinding | Phoenix, AZ | MillingSwissWaterjetWeldingEDMGrinding | - |
| Competitive Engineering, Inc Milling, Turning, EDM, Grinding, Assembly · AS9100 | Tucson, AZ | MillingTurningEDMGrindingAssembly | AS9100 |
| Davis Industries Milling, Turning, Punching, Bending, Welding, Assembly · ISO 9001, AS9100 | Phoenix, AZ | MillingTurningPunchingBendingWeldingAssembly | ISO 9001, AS9100 |
| Desalvo Systems Inc Milling, Turning · ITAR | Yuma, AZ | MillingTurning | ITAR |
| East Valley Precision Milling, Turning, Waterjet, EDM · ISO 9001, AS9100 | Chandler, AZ | MillingTurningWaterjetEDM | ISO 9001, AS9100 |
| Eckert Enterprises Ltd Milling, Turning, EDM, Grinding | Tempe, AZ | MillingTurningEDMGrinding | - |
| Flex-Pro LLC Milling, Turning · ISO 9001 | Phoenix, AZ | MillingTurning | ISO 9001 |
| Genesis Precision LLC Milling, Turning, Grinding, Finishing | Phoenix, AZ | MillingTurningGrindingFinishing | - |
| Gibbs Precision Machine, Inc Milling, Turning · ISO 9001 | Chandler, AZ | MillingTurning | ISO 9001 |
| Grace Pacifica Machining Milling, Turning, Bending, Laser, Welding, Waterjet · ISO 9001, AS9100 | Tucson, AZ | MillingTurningBendingLaserWeldingWaterjet | ISO 9001, AS9100 |
| Hi Tech Machining & Engineering LLC Milling, Turning, EDM, Grinding | Tucson, AZ | MillingTurningEDMGrinding | - |
| Infinisys Manufacturing LLC Milling, Turning, EDM | Phoenix, AZ | MillingTurningEDM | - |
| KBB CNC Machining Milling, Turning | Mesa, AZ | MillingTurning | - |
| Machine Works, L.L.C Milling, Turning, EDM, Grinding · ISO 9001, ITAR | Phoenix, AZ | MillingTurningEDMGrinding | ISO 9001, ITAR |
| Numericraft, Inc Milling, Turning, Finishing, Assembly | Tucson, AZ | MillingTurningFinishingAssembly | - |
| Palmer Precision Milling, Turning | Tucson, AZ | MillingTurning | - |
| Pcdrilling LLC Milling · ITAR | Tempe, AZ | Milling | ITAR |
| Powill Manufacturing & Engineering, Inc Milling, Turning, EDM, Grinding, Assembly · ISO 9001, AS9100, ITAR | Phoenix, AZ | MillingTurningEDMGrindingAssembly | ISO 9001, AS9100, ITAR |
| Ppe Engineering LLC Milling, Bending, Welding | Tempe, AZ | MillingBendingWelding | - |
| Professional Piping Systems Bending, Welding | Phoenix, AZ | BendingWelding | - |
| Ransom International Corporation Finishing | Prescott Valley, AZ | Finishing | - |
| Sonic Aerospace Inc Milling, Turning, Grinding, Finishing, Assembly · ISO 9001, AS9100 | Chandler, AZ | MillingTurningGrindingFinishingAssembly | ISO 9001, AS9100 |
| Southwest Waterjet and Laser Milling, Laser, Waterjet, Bending | Phoenix, AZ | MillingLaserWaterjetBending | - |
| Tahl Inc Milling, Turning, Welding, EDM, Grinding, Finishing · ISO 9001, ITAR, CMMC | Tucson, AZ | MillingTurningWeldingEDMGrindingFinishing | ISO 9001, ITAR, CMMC |
| Tech Five Machining LLC Milling, Turning, Finishing · ISO 9001, AS9100, ITAR | Tempe, AZ | MillingTurningFinishing | ISO 9001, AS9100, ITAR |
| Timber Mountain Precision Inc Milling · ISO 9001, AS9100 | Queen Creek, AZ | Milling | ISO 9001, AS9100 |
| Tram-Tek, Inc Milling, Turning, EDM, Grinding · ISO 9001, AS9100 | Phoenix, AZ | MillingTurningEDMGrinding | ISO 9001, AS9100 |
| Trophy Engineering Inc Milling, Waterjet, Welding | Phoenix, AZ | MillingWaterjetWelding | - |
| Vroom Engineering & Manufacturing Inc Bending, Laser, Welding | Tucson, AZ | BendingLaserWelding | - |
| W.C. Machine and Tool, Inc Milling, Waterjet, Punching, Welding, EDM, Grinding, Assembly | Chandler, AZ | MillingWaterjetPunchingWeldingEDMGrindingAssembly | - |
| Wal-Tek Industries, Inc Milling, Turning, Laser, Welding, Finishing, Assembly · ISO 9001, AS9100, ITAR | Phoenix, AZ | MillingTurningLaserWeldingFinishingAssembly | ISO 9001, AS9100, ITAR |
| Yampa Precision Manufacturing, Inc Milling, Turning, Swiss, EDM · ISO 9001, AS9100 | Prescott Valley, AZ | MillingTurningSwissEDM | ISO 9001, AS9100 |