| Wireless Everywhere, LLC DC | Professional & Technical Services | 3 | $98,946 | — |
| Wireless Horizon Inc. MO | Construction | 0 | — | F |
| Wireless Media Consulting Inc. VA | Professional & Technical Services | 1 | $125,000 | — |
| Wireless Services Inc. PA | Construction | 0 | — | A |
| Wireless Vision MI | — | 0 | — | — |
| WireMasters TN | Wholesale Trade | 0 | — | A |
| WireMasters, Inc. AZ | Wholesale Trade | 0 | — | A |
| WireMasters, Inc. RI | Wholesale Trade | 0 | — | A |
| WireMasters, Inc. TX | Wholesale Trade | 0 | — | A |
| Wirerope Works Inc. PA | Manufacturing | 0 | — | F |
| Wirestock, Inc. CA | Professional & Technical Services | 1 | $131,040 | — |
| WireTech Fabricators Inc. WI | Manufacturing | 0 | — | A |
| Wiring Technologies Inc FL | Construction | 0 | — | F |
| Wirtgen America TN | Wholesale Trade | 0 | — | A |
| Wirthwein New Bern Corp. NC | — | 0 | — | — |
| Wirtz Manufacturing Company, Inc. MI | Manufacturing | 0 | — | F |
| Wirtz Rentals Co. IL | Real Estate | 0 | — | F |
| Wirtz Wire EDM, LLC NC | Manufacturing | 0 | — | A |
| WIS International CA | — | 0 | — | — |
| WIS Logistics WI | Transportation & Warehousing | 0 | — | A |
| Wis-Pak IL | Manufacturing | 0 | — | F |
| Wis-Pak MN | Manufacturing | 0 | — | F |
| Wis-Pak MS | Manufacturing | 0 | — | D |
| Wis-Pak NE | Manufacturing | 0 | — | D |
| Wis-Pak TN | Manufacturing | 0 | — | D |
| Wis-Pak WI | Manufacturing | 0 | — | B |
| Wischmeier Trucking, Inc. IN | Transportation & Warehousing | 0 | — | C |
| Wisco Hotel Group WI | Accommodation & Food Services | 0 | — | A |
| WISCO INDUSTRIES, INC WI | Manufacturing | 0 | — | F |
| Wiscolift Inc. WI | Other Services | 0 | — | F |
| Wiscon Corporation IL | Manufacturing | 0 | — | C |
| Wisconic Inc. WI | Manufacturing | 0 | — | D |
| WISCONSIN ALUMINUM FOUNDRY WI | Manufacturing | 0 | — | F |
| Wisconsin Aviation WI | Transportation & Warehousing | 0 | — | A |
| Wisconsin Badger Camp WI | Accommodation & Food Services | 0 | — | A |
| Wisconsin Brewing Company WI | Manufacturing | 0 | — | A |
| Wisconsin Building Supply/USLBM WI | Retail Trade | 0 | — | D |
| Wisconsin Built, Inc. WI | Manufacturing | 0 | — | A |
| Wisconsin Center District WI | Construction | 0 | — | F |
| Wisconsin Center Geo Services WI | Construction | 0 | — | F |
| Wisconsin Central MN | Transportation & Warehousing | 0 | — | A |
| Wisconsin Central Railroad MN | Transportation & Warehousing | 0 | — | C |
| Wisconsin Central School Bus WI | — | 0 | — | — |
| Wisconsin Coach Lines / Coach USA WI | Transportation & Warehousing | 0 | — | C |
| Wisconsin Community Services Inc. WI | Healthcare & Social Assistance | 1 | $44,000 | — |
| Wisconsin Conference of The United Methodist Church WI | Other Services | 1 | $40,000 | — |
| Wisconsin Distributors Appleton LLC WI | Wholesale Trade | 0 | — | F |
| Wisconsin Early Childhood Association WI | Other Services | 0 | — | D |
| Wisconsin Faucet Operations WI | Manufacturing | 0 | — | F |
| Wisconsin Film & Bag, Inc. WI | Manufacturing | 0 | — | F |
