| Aero-Mach Precision LLC Milling, Turning, Welding, Finishing | Mesa, AZ | MillingTurningWeldingFinishing | - |
| Eckert Enterprises Ltd Milling, Turning, EDM, Grinding | Tempe, AZ | MillingTurningEDMGrinding | - |
| Gsi International Inc Milling, Turning, Waterjet, Welding, Finishing, Assembly · ISO 9001 | Chandler, AZ | MillingTurningWaterjetWeldingFinishingAssembly | ISO 9001 |
| Hi Tech Machining & Engineering LLC Milling, Turning, EDM, Grinding | Tucson, AZ | MillingTurningEDMGrinding | - |
| Kinetik Systems LLC Milling, Turning, Welding | Tucson, AZ | MillingTurningWelding | - |
| Metal Works Precision Machine and Tool, Inc Milling, Turning, Welding | Tucson, AZ | MillingTurningWelding | - |
| Numericraft, Inc Milling, Turning, Finishing, Assembly | Tucson, AZ | MillingTurningFinishingAssembly | - |
| R. B. Machine Company, Inc Turning, Welding, Grinding · ISO 9001, AS9100 | Phoenix, AZ | TurningWeldingGrinding | ISO 9001, AS9100 |
| R&D Manco Milling, Turning, Grinding · ISO 9001 | Phoenix, AZ | MillingTurningGrinding | ISO 9001 |
| Tram-Tek, Inc Milling, Turning, EDM, Grinding · ISO 9001, AS9100 | Phoenix, AZ | MillingTurningEDMGrinding | ISO 9001, AS9100 |