| RMRivercity Manufacturing and Machining Company | Winona | MN | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
| RERonco Engineering Sales INC | Winona | MN | Machinery Manufacturing333995 | — | ◇ UNVERIFIED |
| RHRushford Hypersonic LLC | Winona | MN | Machinery Manufacturing333515 | — | ◇ UNVERIFIED |
| SCSanborn Canoe Co. LLC | Winona | MN | Transportation Equipment Manufacturing336612 | — | ◇ UNVERIFIED |
| SCScrew Conveyor Corporation | Winona | MS | Primary Metal Manufacturing331112 | — | ◇ UNVERIFIED |
| TCTechnigraph Corporation | Winona | MN | Printing and Related Support Activities323111 | — | ◇ UNVERIFIED |
| TMTooling Machining and Design INC | Winona | MN | Machinery Manufacturing333514 | — | ◇ UNVERIFIED |
| TATrw Automotive INC | Winona | MN | Transportation Equipment Manufacturing336212 | — | ◇ UNVERIFIED |
| WMWhetstone Machine INC | Winona | MN | Fabricated Metal Product Manufacturing332710 | — | ◇ UNVERIFIED |
| WIWincraft INC - Corporate Office | Winona | MN | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| WIWincraft INC - Distribution Center | Winona | MN | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| WIWincraft INC - East Facility | Winona | MN | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| WIWincraft INC - Mark Street | Winona | MN | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| WIWincraft INC - West Facility | Winona | MN | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
| WCWingfoot Commercial Tire Systems LLC | Winona | MN | Plastics and Rubber Products Manufacturing326212 | — | ◇ UNVERIFIED |
| WHWinona Heating - Ventilating Company | Winona | MN | Fabricated Metal Product Manufacturing332322 | — | ◇ UNVERIFIED |
| WPWinona Production Services, INC. | Winona | MN | Primary Metal Manufacturing331511 | — | ◇ UNVERIFIED |
| WPWinona Production Services INC - East Building | Winona | MN | Fabricated Metal Product Manufacturing332999 | — | ◇ UNVERIFIED |
