| 3Up Metal Works Bending, Welding, Waterjet | Milwaukee, WI | BendingWeldingWaterjet | - |
| 5 Point Fabrication Milling, Bending, Laser, Welding | Green Bay, WI | MillingBendingLaserWelding | - |
| A & P Fabricating Solutions, LLC Milling, Turning, Bending, Laser, Welding | Appleton, WI | MillingTurningBendingLaserWelding | - |
| Ace Manufacturing Inc Milling, Turning · ISO 9001 | Green Bay, WI | MillingTurning | ISO 9001 |
| Baum Machine Inc Milling, Turning, Welding | Appleton, WI | MillingTurningWelding | - |
| Cutting Edge Fabrication Inc Milling, Bending, Laser, Welding · ISO 9001 | Milwaukee, WI | MillingBendingLaserWelding | ISO 9001 |
| Cutting Edge Metal Fab, Inc Bending, Laser, Welding | Sun Prairie, WI | BendingLaserWelding | - |
| Evers Manufacturing Inc Bending, Welding | Milwaukee, WI | BendingWelding | - |
| Fox Valley Metal Fab, Inc. Milling, Bending, Welding | Appleton, WI | MillingBendingWelding | - |
| J&J Machine Milling, EDM | Appleton, WI | MillingEDM | - |
| Just In Time Machine Corp Milling, Turning, Welding · AS9100, ITAR | Middleton, WI | MillingTurningWelding | AS9100, ITAR |
| Mac-Tech Turning, Bending, Laser, Welding | Milwaukee, WI | TurningBendingLaserWelding | - |
| Machine Service Inc Welding · ISO 9001 | Green Bay, WI | Welding | ISO 9001 |
| Mat-Tech Machining Milling, Turning, Welding | Milwaukee, WI | MillingTurningWelding | - |
| Milwaukee Metal Products Co Bending, Welding, Stamping | Milwaukee, WI | BendingWeldingStamping | - |
| Owens Industries, Inc. Milling, Turning, Welding, EDM, Casting, Metal AM · ISO 9001, AS9100 | Oak Creek, WI | MillingTurningWeldingEDMCastingMetal AM | ISO 9001, AS9100 |
| Ravelin Defense Milling, Turning, Bending, Laser, Welding, Waterjet · ISO 9001, AS9100, ITAR, CMMC | Green Bay, WI | MillingTurningBendingLaserWeldingWaterjet | ISO 9001, AS9100, ITAR, CMMC |
| SMT Machine & Tool Milling, Turning, Welding, Casting | Green Bay, WI | MillingTurningWeldingCasting | - |
| TBC Metalworks Bending, Laser, Welding | Green Bay, WI | BendingLaserWelding | - |
| Titletown Manufacturing LLC Milling, Welding | Green Bay, WI | MillingWelding | - |
| Triple E Machine Inc Turning, Laser, Welding, Waterjet, EDM | Appleton, WI | TurningLaserWeldingWaterjetEDM | - |