| Professional Piping Systems Bending, Welding | Phoenix, AZ | BendingWelding | - |
| Precision Aero Fab Inc Bending, Welding · AS9100, NADCAP | Yuma, AZ | BendingWelding | AS9100, NADCAP |
| Ads Finishing LLC Waterjet, Welding, Finishing | Tucson, AZ | WaterjetWeldingFinishing | - |
| Cassavant Machining, LLC Milling, Turning, Swiss, Welding, EDM, Grinding, Finishing · ISO 9001, AS9100 | Phoenix, AZ | MillingTurningSwissWeldingEDMGrindingFinishing | ISO 9001, AS9100 |
| Gen3 Aerospace, LLC Bending, Welding | Tempe, AZ | BendingWelding | - |
| 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 |
| Tru-Stop Inc Milling, Turning, Welding, Assembly | Tempe, AZ | MillingTurningWeldingAssembly | - |
| Advance Metal Fabrication Mach Turning, Laser, Punching, Bending, Welding, Stamping, Finishing | Prescott, AZ | TurningLaserPunchingBendingWeldingStampingFinishing | - |
| Advanced Materials Technologies, LLC Milling, Turning, Welding, EDM, Grinding · ISO 9001, AS9100 | Chandler, AZ | MillingTurningWeldingEDMGrinding | ISO 9001, AS9100 |
| Aero-Mach Precision LLC Milling, Turning, Welding, Finishing | Mesa, AZ | MillingTurningWeldingFinishing | - |
| Competitive Engineering, Inc Milling, Turning, EDM, Grinding, Assembly · AS9100 | Tucson, AZ | MillingTurningEDMGrindingAssembly | AS9100 |
| Creative Custom Products Milling, Welding | Phoenix, AZ | MillingWelding | - |
| Denali MetalWorks Bending, Laser, Welding, Waterjet | Phoenix, AZ | BendingLaserWeldingWaterjet | - |
| Desert Precision Manufacturing Bending, Laser, Welding · ISO 9001 | Tucson, AZ | BendingLaserWelding | ISO 9001 |
| Eckert Enterprises Ltd Milling, Turning, EDM, Grinding | Tempe, AZ | MillingTurningEDMGrinding | - |
| Genesis Precision LLC Milling, Turning, Grinding, Finishing | Phoenix, AZ | MillingTurningGrindingFinishing | - |
| Gibbs Precision Machine, Inc Milling, Turning · ISO 9001 | Chandler, AZ | MillingTurning | ISO 9001 |
| Harshco, L.L.C Milling, Turning, Swiss, Laser, Waterjet, Bending, Welding · ISO 9001, AS9100 | Scottsdale, AZ | MillingTurningSwissLaserWaterjetBendingWelding | ISO 9001, AS9100 |
| Joined Alloys Welding, EDM, Assembly · ISO 9001, NADCAP | Phoenix, AZ | WeldingEDMAssembly | ISO 9001, NADCAP |
| Kinetic Engine Systems Milling, EDM, Grinding | Phoenix, AZ | MillingEDMGrinding | - |
| Kinetik Systems LLC Milling, Turning, Welding | Tucson, AZ | MillingTurningWelding | - |
| Kirsh Manufacturing Inc Milling, Turning, Welding, Grinding, Finishing · ISO 9001, ITAR | Tucson, AZ | MillingTurningWeldingGrindingFinishing | ISO 9001, ITAR |
| Machine Works, L.L.C Milling, Turning, EDM, Grinding · ISO 9001, ITAR | Phoenix, AZ | MillingTurningEDMGrinding | ISO 9001, ITAR |
| MC Engineering Inc Welding | Mesa, AZ | Welding | - |
| Metal Pro, Inc. Milling, Bending, Welding | Phoenix, AZ | MillingBendingWelding | - |
| Metal Works Precision Machine and Tool, Inc Milling, Turning, Welding | Tucson, AZ | MillingTurningWelding | - |
| Numericraft, Inc Milling, Turning, Finishing, Assembly | Tucson, AZ | MillingTurningFinishingAssembly | - |
| Pcdrilling LLC Milling · ITAR | Tempe, AZ | Milling | ITAR |
| Plasteel Milling, Turning, Assembly · ISO 9001, AS9100 | Tempe, AZ | MillingTurningAssembly | ISO 9001, AS9100 |
| Ppe Engineering LLC Milling, Bending, Welding | Tempe, AZ | MillingBendingWelding | - |
| Ransom International Corporation Finishing | Prescott Valley, AZ | Finishing | - |
| Southwest Precision Machining, L.L.C Milling, Turning, Swiss, Welding, Finishing | Tucson, AZ | MillingTurningSwissWeldingFinishing | - |
| Southwest Waterjet and Laser Milling, Laser, Waterjet, Bending | Phoenix, AZ | MillingLaserWaterjetBending | - |
| Stevens Engineering Inc Milling | Phoenix, AZ | Milling | - |
| Tahl Inc Milling, Turning, Welding, EDM, Grinding, Finishing · ISO 9001, ITAR, CMMC | Tucson, AZ | MillingTurningWeldingEDMGrindingFinishing | ISO 9001, ITAR, CMMC |
| Tanfel, Inc Milling, Stamping, Casting · ISO 9001 | Scottsdale, AZ | MillingStampingCasting | ISO 9001 |
| 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 |
| Tozli Machine Milling, Welding, Finishing · ISO 9001, ITAR, CMMC | Surprise, AZ | MillingWeldingFinishing | ISO 9001, ITAR, CMMC |
| Tram-Tek, Inc Milling, Turning, EDM, Grinding · ISO 9001, AS9100 | Phoenix, AZ | MillingTurningEDMGrinding | ISO 9001, AS9100 |
| 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 | - |