| Amp Precision Metal LLC Bending, Welding | Ada, OK | BendingWelding | - |
| Bauman Machine Inc Milling, Turning, Laser, Welding · ISO 9001 | Oklahoma City, OK | MillingTurningLaserWelding | ISO 9001 |
| BT Machine Inc Milling, Turning, Welding, Finishing · ISO 9001, AS9100, ITAR | Tulsa, OK | MillingTurningWeldingFinishing | ISO 9001, AS9100, ITAR |
| Critical Components-Oil & Gas Milling, Turning, Welding, Metal AM, Finishing | Oklahoma City, OK | MillingTurningWeldingMetal AMFinishing | - |
| Mimic Manufacturing, LLC Welding, Finishing | Heavener, OK | WeldingFinishing | - |
| TCMS Inc Milling, Turning, Welding | Oklahoma City, OK | MillingTurningWelding | - |
| Werco Manufacturing Inc Milling, Turning, Laser, Bending, Welding, Finishing, Assembly · ISO 9001 | Broken Arrow, OK | MillingTurningLaserBendingWeldingFinishingAssembly | ISO 9001 |
| Wildman Manufacturing, Inc. Milling, Turning, Bending, Welding | Oklahoma City, OK | MillingTurningBendingWelding | - |
| Zeco Machine Inc Milling, Turning, Welding, EDM · ISO 9001, AS9100 | Guthrie, OK | MillingTurningWeldingEDM | ISO 9001, AS9100 |