| Winnetka Park District IL | Public Administration | 0 | — | F |
| Winnie Community Hospital, LLC TX | Healthcare & Social Assistance | 2 | $72,800 | — |
| Winnie I Enterprises LLC TX | Healthcare & Social Assistance | 0 | — | A |
| Winnie-Stowell Hospital District TX | Healthcare & Social Assistance | 0 | — | A |
| Winning Wheels, Inc. IL | Healthcare & Social Assistance | 0 | — | F |
| WinnMed IA | Healthcare & Social Assistance | 0 | — | D |
| WinnPointe Corporation dba Interactive Mortgage CA | — | 0 | — | — |
| Winnsboro OpCo, LLC DBA Legacy Nursing and Rehabilitation LA | Healthcare & Social Assistance | 0 | — | F |
| Winnwood Retirement Community GA | Healthcare & Social Assistance | 0 | — | F |
| Winona Area Public Schools MN | Educational Services | 0 | — | D |
| Winona County MN | Public Administration | 0 | — | C |
| Winona County Ind School Dist 857 MN | Educational Services | 0 | — | A |
| Winona Health MN | Healthcare & Social Assistance | 1 | $239,200 | D |
| Winona Heating and Ventilating MN | Construction | 0 | — | D |
| Winona Production Services, Inc MN | Manufacturing | 0 | — | A |
| Winona PVD Coatings LLC IN | — | 0 | — | — |
| Winona Senior Living, LLC dba Sugar Loaf Senior Living MN | Healthcare & Social Assistance | 0 | — | F |
| Winona Senior Services MN | Healthcare & Social Assistance | 0 | — | F |
| winpak CA | Manufacturing | 0 | — | F |
| Winpak Control Group Inc NJ | Manufacturing | 0 | — | F |
| Winpak Films Inc. GA | Manufacturing | 0 | — | A |
| Winpak Portion Packaging IL | Manufacturing | 0 | — | F |
| Winpin 85 Investments LLC, DBA 85 Degrees C Bakery Cafe CA | — | 0 | — | — |
| Winsai LLC NC | Professional & Technical Services | 3 | $95,555 | — |
| Winsale, Inc. NJ | — | 0 | — | — |
| Winsert Inc. WI | Manufacturing | 0 | — | F |
| Winshape Foundation GA | Healthcare & Social Assistance | 0 | — | F |
| Winship Green Nursing Center ME | Healthcare & Social Assistance | 0 | — | F |
| Winslow Automatics CT | Manufacturing | 0 | — | A |
| Winslow Memorial Hospital, Inc. AZ | Healthcare & Social Assistance | 2 | $71,469 | — |
| Winsome Enterprises Inc AZ | Transportation & Warehousing | 0 | — | C |
| Winsome Enterprises Inc CA | Transportation & Warehousing | 0 | — | D |
| Winsome Enterprises Inc UT | Transportation & Warehousing | 0 | — | D |
| Winsome Enterprises Inc WA | Transportation & Warehousing | 0 | — | A |
| Winsted Ambulance CT | Healthcare & Social Assistance | 0 | — | A |
| Winsted Company MN | Manufacturing | 0 | — | F |
| Winston & Strawn LLP IL | Professional & Technical Services | 1 | $225,000 | — |
| Winston Brands, Inc. IL | — | 0 | — | — |
| Winston Campbell, LLC OH | Manufacturing | 0 | — | A |
| Winston Contracting LLC AL | Construction | 0 | — | A |
| Winston County Medical Foundation, Inc. MS | — | 0 | — | — |
| Winston Hardwood AL | Manufacturing | 0 | — | A |
| Winston Homebuilders AL | Construction | 0 | — | F |
| Winston Industries, LLC KY | Manufacturing | 0 | — | F |
| Winston Manor Conv & Nursing IL | Healthcare & Social Assistance | 0 | — | F |
| Winston Salem Industries for the Blind PR | Manufacturing | 0 | — | D |
| Winston Salem Industries for the Blind dba IFB Solutions AR | Manufacturing | 0 | — | F |
| Winston Salem Industries for the Blind dba IFB Solutions NC | Manufacturing | 0 | — | B |
| Winston Steel, LLC NC | Manufacturing | 0 | — | A |
| Winston-Salem Rescue Mission NC | Healthcare & Social Assistance | 0 | — | D |