| Superior Process Solutions Milling, Turning, Bending, Laser, Welding, Metal AM | Springfield, MO | MillingTurningBendingLaserWeldingMetal AM | - |
| Trocofab Bending, Laser, Welding, Waterjet | St. Louis, MO | BendingLaserWeldingWaterjet | - |
| USA Custom Stainless Punching, Bending, Welding | Saint Louis, MO | PunchingBendingWelding | - |
| Venture Industrial Products Inc Welding, Assembly | Lees Summit, MO | WeldingAssembly | - |
| Yarbrough Industries Bending, Welding, Waterjet | Springfield, MO | BendingWeldingWaterjet | - |
| Banks Engineering & Machine LLC Milling, Turning, Welding, Casting, Grinding · ISO 9001 | Webb City, MO | MillingTurningWeldingCastingGrinding | ISO 9001 |
| K C Machine Milling, Turning, Waterjet · ISO 9001, AS9100 | Excelsior Springs, MO | MillingTurningWaterjet | ISO 9001, AS9100 |
| Lawrence Fabric & Metal Structures, Inc. Welding · ISO 9001 | St. Louis, MO | Welding | ISO 9001 |
| R & S Machining Inc Milling, Turning, Welding, EDM, Grinding · ISO 9001, AS9100 | Saint Louis, MO | MillingTurningWeldingEDMGrinding | ISO 9001, AS9100 |
| CM Fabricating Bending, Welding | Kansas City, MO | BendingWelding | - |
| Davlan Engineering Inc Milling, Turning, Laser, Welding, Stamping | Saint Louis, MO | MillingTurningLaserWeldingStamping | - |
| Dynamix Manufacturing LLC Milling, Turning, Welding | Joplin, MO | MillingTurningWelding | - |
| IPMI Manufacturing & Engineering Milling, Turning, Welding | Buckner, MO | MillingTurningWelding | - |
| M B Steel Milling, Bending, Laser, Welding, Stamping | St. Louis, MO | MillingBendingLaserWeldingStamping | - |
| Maxtek Milling, Turning, Grinding | Grandview, MO | MillingTurningGrinding | - |
| Michael R Gesellschap Milling, Turning, Welding | Belle, MO | MillingTurningWelding | - |
| Riff Machine Milling, Turning, Assembly | Gainesville, MO | MillingTurningAssembly | - |
| Seyer Industries Inc Welding, EDM, Assembly | Saint Peters, MO | WeldingEDMAssembly | - |
| Turnings Plus, LLC Turning | Washington, MO | Turning | - |