| ACAnel Corporation | Winona | Fabricated Metal Product Manufacturing | 332312 | 100–499 | ◐ LIKELY ACTIVE |
| BSBiewer Sawmill - Winona, INC. | Winona | Wood Product Manufacturing | 321113 | 100–499 | ◐ LIKELY ACTIVE |
| NHNo Heart Lumber LLC | Winona | Wood Product Manufacturing | 321113 | — | ◐ LIKELY ACTIVE |
| MMMmc Materials Inc, Winona | Winona | Nonmetallic Mineral Product Manufacturing | 327320 | — | ◐ LIKELY ACTIVE |
| BCBallard Contractors Inc, Winona Temp Site | Winona | Nonmetallic Mineral Product Manufacturing | 327320 | — | ◇ UNVERIFIED |
| JJJ J Ferguson Sand and Gravel Inc, Winona | Winona | Nonmetallic Mineral Product Manufacturing | 327320 | — | ◇ UNVERIFIED |
 Krueger International Inc, Winona | Winona | Furniture and Related Product Manufacturing | 337127 | — | ◇ UNVERIFIED |
| LRLehman Roberts, Plant 1 | Winona | Petroleum and Coal Products Manufacturing | 324121 | — | ◇ UNVERIFIED |
| MEMississippi Ethanol LLC | Winona | Chemical Manufacturing | 325191 | — | ◇ UNVERIFIED |
| P1Plant 1 | Winona | Petroleum and Coal Products Manufacturing | 324121 | — | ◇ UNVERIFIED |
| FTFly Timber CO. | Winona | Wood Product Manufacturing | 321113 | — | ◇ UNVERIFIED |
| MEMississippi Ethanol LLC | Winona | Chemical Manufacturing | 325193 | — | ◇ UNVERIFIED |
| SCScrew Conveyor Corporation | Winona | Primary Metal Manufacturing | 331112 | — | ◇ UNVERIFIED |
