| ST Paul Brass Foundry Co Casting, Finishing · ISO 9001, AS9100, ITAR, CMMC | Saint Paul, MN | CastingFinishing | ISO 9001, AS9100, ITAR, CMMC |
| Le Sueur, Incorporated Welding, Casting · ISO 9001 | Le Sueur, MN | WeldingCasting | ISO 9001 |
| Master Machine, Inc Milling, Turning, Bending, Casting · ISO 9001 | Minneapolis, MN | MillingTurningBendingCasting | ISO 9001 |
| Enterprise CNC Machining LLC Milling, Turning, Swiss, Welding, Casting | Mankato, MN | MillingTurningSwissWeldingCasting | - |
| Micro-Matics Inc Milling, Turning, Swiss, Casting, EDM, Grinding, Assembly | Fridley, MN | MillingTurningSwissCastingEDMGrindingAssembly | - |
| Imagineering Machine Inc Milling, Turning, Casting · NADCAP | St Louis Park, MN | MillingTurningCasting | NADCAP |
| Carley Foundry, Inc Casting · ISO 9001, NADCAP | Minneapolis, MN | Casting | ISO 9001, NADCAP |
| Proto Edge, Inc Milling, Swiss, Casting, EDM, Assembly · ISO 9001 | Maple Grove, MN | MillingSwissCastingEDMAssembly | ISO 9001 |
| The Lindgren Group Casting, Finishing · ITAR, NADCAP, CMMC | Minneapolis, MN | CastingFinishing | ITAR, NADCAP, CMMC |