| Trade Tech Inc Milling, Turning, Waterjet, Welding · ISO 9001, ITAR, CMMC | Hartford, WI | MillingTurningWaterjetWelding | ISO 9001, ITAR, CMMC |
| Triple E Machine Inc Turning, Laser, Welding, Waterjet, EDM | Appleton, WI | TurningLaserWeldingWaterjetEDM | - |
| Ultra Tool and Mfg., Inc Milling, Turning, Laser, Bending, Welding, Stamping, EDM, Finishing · ISO 9001, ITAR | Germantown, WI | MillingTurningLaserBendingWeldingStampingEDMFinishing | ISO 9001, ITAR |
| Unit Drop Forge Co Inc Milling, Welding, Forging, Finishing | Milwaukee, WI | MillingWeldingForgingFinishing | - |
| Vargo Tool & Die Inc Milling, Turning, Welding, Grinding · ISO 9001, AS9100 | Marinette, WI | MillingTurningWeldingGrinding | ISO 9001, AS9100 |
| Velocity Machine, Inc Milling, Turning, Welding, Assembly · ISO 9001, ITAR, IATF 16949 | De Pere, WI | MillingTurningWeldingAssembly | ISO 9001, ITAR, IATF 16949 |
| Vti Vacuum Technologies, Inc Finishing · ISO 9001, ITAR | Reedsburg, WI | Finishing | ISO 9001, ITAR |
| Xact Tool Bending, Welding, Stamping | Shell Lake, WI | BendingWeldingStamping | - |
| Adron Tool Corp EDM · ISO 9001, AS9100, ITAR, NADCAP | Sussex, WI | EDM | ISO 9001, AS9100, ITAR, NADCAP |
| Alpine Conglomerate, LLC Milling, Welding · ISO 9001, AS9100, ITAR, NADCAP, CMMC | Bloomer, WI | MillingWelding | ISO 9001, AS9100, ITAR, NADCAP, CMMC |
| Apple Steel Rule Die Co Inc Laser | Milwaukee, WI | Laser | - |
| Asc Machining Milling | Mequon, WI | Milling | - |
| Beloit Precision, Inc Milling, Turning, Stamping · ISO 9001 | Beloit, WI | MillingTurningStamping | ISO 9001 |
| Bridan Mfg Inc Milling, Turning, EDM · ISO 9001 | Kenosha, WI | MillingTurningEDM | ISO 9001 |
| Brogan Acquisition Holdco LLC Milling, Turning, Grinding · ISO 9001 | Elkhorn, WI | MillingTurningGrinding | ISO 9001 |
| Carlson Tool & Manufacturing Corp Milling, Turning, EDM, Grinding | Cedarburg, WI | MillingTurningEDMGrinding | - |
| Creative CNC LLC Milling | New Berlin, WI | Milling | - |
| Cutting Edge Metal Fab, Inc Bending, Laser, Welding | Sun Prairie, WI | BendingLaserWelding | - |
| Fusion Babbitting Co, Inc Milling, Turning, Casting | Milwaukee, WI | MillingTurningCasting | - |
| Fze Manufacturing Solutions, LLC Milling, Swiss, Welding, Finishing, Assembly | North Fond Du Lac, WI | MillingSwissWeldingFinishingAssembly | - |
| Impact Machine LLC Milling, Turning · ISO 9001 | Kaukauna, WI | MillingTurning | ISO 9001 |
| Imr Inc Turning | Prentice, WI | Turning | - |
| Infinity EDM, LLC Milling, Turning, EDM, Grinding · ISO 9001 | Jackson, WI | MillingTurningEDMGrinding | ISO 9001 |
| J&J Machine Milling, EDM | Appleton, WI | MillingEDM | - |
| JBC Machine Inc Milling, Turning, Welding, Finishing | Hortonville, WI | MillingTurningWeldingFinishing | - |
| JD Laser Inc Laser, Bending | Hartford, WI | LaserBending | - |
| KF Precision Honing LLC Milling, Grinding · ITAR | Antigo, WI | MillingGrinding | ITAR |
| Liberty Precision Manufacturing LLC Milling, Turning, Swiss · ISO 9001, ITAR, CMMC | New Berlin, WI | MillingTurningSwiss | ISO 9001, ITAR, CMMC |
| Lindquist Machine Co., LLC Welding · ISO 9001 | Green Bay, WI | Welding | ISO 9001 |
| Metal Products Inc Milling, Turning, Waterjet, Bending, Welding, EDM, Grinding | Appleton, WI | MillingTurningWaterjetBendingWeldingEDMGrinding | - |
| Perma-Brass, Inc Milling, Turning, Swiss, Finishing · ISO 9001, AS9100 | Plymouth, WI | MillingTurningSwissFinishing | ISO 9001, AS9100 |
| Pindel Global Precision, Inc Milling, Turning, Swiss, Stamping, Casting · ISO 9001, ITAR | New Berlin, WI | MillingTurningSwissStampingCasting | ISO 9001, ITAR |
| Pointe Precision Inc Milling, Turning, EDM, Grinding · ISO 9001, AS9100, NADCAP | Plover, WI | MillingTurningEDMGrinding | ISO 9001, AS9100, NADCAP |
| Precision Die Systems Corp Milling, Welding, Grinding | Chippewa Falls, WI | MillingWeldingGrinding | - |
| Prosource Trace-A-Matic LLC Milling, Turning, Welding, Casting, EDM, Grinding, Assembly · ISO 9001, AS9100, ITAR | Brookfield, WI | MillingTurningWeldingCastingEDMGrindingAssembly | ISO 9001, AS9100, ITAR |
| Ravelin Defense Milling, Turning, Bending, Laser, Welding, Waterjet · ISO 9001, AS9100, ITAR, CMMC | Green Bay, WI | MillingTurningBendingLaserWeldingWaterjet | ISO 9001, AS9100, ITAR, CMMC |
| Shrettech Tool & Machine LLC Milling, Turning, Welding, Grinding | Racine, WI | MillingTurningWeldingGrinding | - |
| SMT Machine & Tool Milling, Turning, Welding, Casting | Green Bay, WI | MillingTurningWeldingCasting | - |
| Toolcraft Precision Machining, LLC Milling, Turning · ISO 9001, ITAR, CMMC | Germantown, WI | MillingTurning | ISO 9001, ITAR, CMMC |
| Toolrite Mfg Co., Inc Turning, Grinding | New Berlin, WI | TurningGrinding | - |