| W.C. Machine and Tool, Inc Milling, Waterjet, Punching, Welding, EDM, Grinding, Assembly | Chandler, AZ | MillingWaterjetPunchingWeldingEDMGrindingAssembly | - |
| Liberty Precision Works Inc Milling, Turning, EDM, Grinding | Tempe, AZ | MillingTurningEDMGrinding | - |
| Machine Works, L.L.C Milling, Turning, EDM, Grinding · ISO 9001, ITAR | Phoenix, AZ | MillingTurningEDMGrinding | ISO 9001, ITAR |
| Powill Manufacturing & Engineering, Inc Milling, Turning, EDM, Grinding, Assembly · ISO 9001, AS9100, ITAR | Phoenix, AZ | MillingTurningEDMGrindingAssembly | ISO 9001, AS9100, ITAR |
| Cad Enterprises, Inc Milling, Swiss, Waterjet, Welding, EDM, Grinding | Phoenix, AZ | MillingSwissWaterjetWeldingEDMGrinding | - |
| Cassavant Machining, LLC Milling, Turning, Swiss, Welding, EDM, Grinding, Finishing · ISO 9001, AS9100 | Phoenix, AZ | MillingTurningSwissWeldingEDMGrindingFinishing | ISO 9001, AS9100 |
| Genesis Precision LLC Milling, Turning, Grinding, Finishing | Phoenix, AZ | MillingTurningGrindingFinishing | - |
| Kirsh Manufacturing Inc Milling, Turning, Welding, Grinding, Finishing · ISO 9001, ITAR | Tucson, AZ | MillingTurningWeldingGrindingFinishing | ISO 9001, ITAR |
| Sonic Aerospace Inc Milling, Turning, Grinding, Finishing, Assembly · ISO 9001, AS9100 | Chandler, AZ | MillingTurningGrindingFinishingAssembly | ISO 9001, AS9100 |
| Advanced Materials Technologies, LLC Milling, Turning, Welding, EDM, Grinding · ISO 9001, AS9100 | Chandler, AZ | MillingTurningWeldingEDMGrinding | ISO 9001, AS9100 |
| Bent River Machine Inc Milling, Turning, Bending, Welding, EDM, Grinding, Finishing, Assembly · ISO 9001 | Clarkdale, AZ | MillingTurningBendingWeldingEDMGrindingFinishingAssembly | ISO 9001 |
| Competitive Engineering, Inc Milling, Turning, EDM, Grinding, Assembly · AS9100 | Tucson, AZ | MillingTurningEDMGrindingAssembly | AS9100 |
| Desert Engineering Group Inc Milling, Turning, Stamping, Grinding | Tucson, AZ | MillingTurningStampingGrinding | - |
| Eckert Enterprises Ltd Milling, Turning, EDM, Grinding | Tempe, AZ | MillingTurningEDMGrinding | - |
| Hi Tech Machining & Engineering LLC Milling, Turning, EDM, Grinding | Tucson, AZ | MillingTurningEDMGrinding | - |
| Kinetic Engine Systems Milling, EDM, Grinding | Phoenix, AZ | MillingEDMGrinding | - |
| R. B. Machine Company, Inc Turning, Welding, Grinding · ISO 9001, AS9100 | Phoenix, AZ | TurningWeldingGrinding | ISO 9001, AS9100 |
| Tahl Inc Milling, Turning, Welding, EDM, Grinding, Finishing · ISO 9001, ITAR, CMMC | Tucson, AZ | MillingTurningWeldingEDMGrindingFinishing | ISO 9001, ITAR, CMMC |
| Tram-Tek, Inc Milling, Turning, EDM, Grinding · ISO 9001, AS9100 | Phoenix, AZ | MillingTurningEDMGrinding | ISO 9001, AS9100 |