| Boss Metal Fabricators, Inc. Milling, Bending, Welding, Stamping | St. Louis, MO | MillingBendingWeldingStamping | - |
| C. R. Metal Products Inc Bending, Laser, Welding · ISO 9001 | St. Louis, MO | BendingLaserWelding | ISO 9001 |
| CM Fabricating Bending, Welding | Kansas City, MO | BendingWelding | - |
| H&H Metal Fabrication Bending, Welding | St. Louis, MO | BendingWelding | - |
| Hillco Contracting LLC Milling, Turning, Welding, Grinding | Bates City, MO | MillingTurningWeldingGrinding | - |
| JK Pulley Co Inc Milling, Turning, Welding | Saint Louis, MO | MillingTurningWelding | - |
| John J Steuby Co Milling, Turning, Swiss, Welding, Stamping, Casting, EDM, Finishing · ISO 9001, ITAR | Hazelwood, MO | MillingTurningSwissWeldingStampingCastingEDMFinishing | ISO 9001, ITAR |
| Jones & Lockhart Fabrication LLC Bending, Welding | St. Louis, MO | BendingWelding | - |
| Lowell Manufacturing Company Finishing | Pacific, MO | Finishing | - |
| Midwest Machining Solutions LLC Milling, Turning, Waterjet, Welding, Assembly | Saint Louis, MO | MillingTurningWaterjetWeldingAssembly | - |
| MRW Fabrication LLC Bending, Welding | Independence, MO | BendingWelding | - |
| Sullivan Precision Metal Finishing Finishing · AS9100, ITAR | Sullivan, MO | Finishing | AS9100, ITAR |
| The Toolroom, Inc Milling, Punching, Welding, EDM | Owensville, MO | MillingPunchingWeldingEDM | - |
| Grain Valley Tool Manufacturing Welding · ISO 9001 | Oak Grove, MO | Welding | ISO 9001 |
| J&D Custom Finishing | Holden, MO | Finishing | - |
| Maxtek Milling, Turning, Grinding | Grandview, MO | MillingTurningGrinding | - |
| M B Steel Milling, Bending, Laser, Welding, Stamping | St. Louis, MO | MillingBendingLaserWeldingStamping | - |
| Michael R Gesellschap Milling, Turning, Welding | Belle, MO | MillingTurningWelding | - |
| Trocofab Bending, Laser, Welding, Waterjet | St. Louis, MO | BendingLaserWeldingWaterjet | - |