| Willows Lodge Associates, LLC WA | Accommodation & Food Services | 0 | — | F |
| willows post acute CA | Healthcare & Social Assistance | 0 | — | F |
| WillowTree, LLC VA | Professional & Technical Services | 1 | $171,000 | — |
| WillowWood Global LLC OH | Manufacturing | 0 | — | C |
| Willreign Logistics, LLC NH | Transportation & Warehousing | 0 | — | F |
| Wills Milling & Hardwoods, Inc. IL | Manufacturing | 0 | — | A |
| Willscot FL | Real Estate | 0 | — | A |
| Willscot MD | Real Estate | 0 | — | A |
| Willscot MI | Real Estate | 0 | — | A |
| Willscot MO | Real Estate | 0 | — | A |
| Willscot TX | Real Estate | 0 | — | A |
| Willscot VA | Real Estate | 0 | — | A |
| Willscot Mobile Min CA | Real Estate | 0 | — | F |
| Willscot Mobile Mini AR | Real Estate | 0 | — | A |
| Willscot Mobile Mini AZ | Real Estate | 0 | — | A |
| Willscot Mobile Mini CA | Real Estate | 0 | — | A |
| Willscot Mobile Mini CO | Real Estate | 0 | — | F |
| Willscot Mobile Mini FL | Real Estate | 0 | — | D |
| Willscot Mobile Mini GA | Real Estate | 0 | — | F |
| Willscot Mobile Mini IL | Real Estate | 0 | — | A |
| Willscot Mobile Mini KY | Real Estate | 0 | — | A |
| Willscot Mobile Mini MA | Real Estate | 0 | — | A |
| Willscot Mobile Mini MD | Real Estate | 0 | — | A |
| Willscot Mobile Mini MI | Real Estate | 0 | — | A |
| Willscot Mobile Mini MO | Real Estate | 0 | — | F |
| Willscot Mobile Mini NC | Real Estate | 0 | — | A |
| Willscot Mobile Mini NJ | Real Estate | 0 | — | F |
| Willscot Mobile Mini NV | Real Estate | 0 | — | A |
| Willscot Mobile Mini NY | Real Estate | 0 | — | F |
| Willscot Mobile Mini OH | Real Estate | 0 | — | A |
| Willscot Mobile Mini PA | Real Estate | 0 | — | A |
| Willscot Mobile Mini SC | Real Estate | 0 | — | F |
| Willscot Mobile Mini TN | Real Estate | 0 | — | A |
| Willscot Mobile Mini TX | Real Estate | 0 | — | B |
| Willscot Mobile Mini UT | Real Estate | 0 | — | A |
| Willscot Mobile Mini VA | Real Estate | 0 | — | F |
| Willscot Mobile Mini WA | Real Estate | 0 | — | F |
| Willsfly Technologies Inc WA | Professional & Technical Services | 20 | $121,164 | — |
| Willsie Cap & Gown, Inc. NE | — | 0 | — | — |
| Willsmarg Technologies LLC VA | Professional & Technical Services | 13 | $224,997 | — |
| Willton Investment Management LLC NY | Finance & Insurance | 3 | $199,590 | — |
| Wilmanco, Inc CA | Manufacturing | 0 | — | F |
| Wilmer Cutler Pickering Hale and Dorr LLP MA | Professional & Technical Services | 2 | $322,500 | — |
| Wilmer R. Schultz, Inc. PA | Construction | 0 | — | A |
| Wilmer Technologies Inc VA | Professional & Technical Services | 1 | $124,750 | — |
| Wilmington Compliance Week, Inc. MA | Information & Media | 0 | — | A |
| Wilmington Eye Surgery Center NC | Healthcare & Social Assistance | 0 | — | A |
| Wilmington Fire Protection District IL | Public Administration | 0 | — | C |
| Wilmington Fra, Inc NC | Educational Services | 0 | — | A |
| WILMINGTON IRON & METAL CO., INC OH | Wholesale Trade | 0 | — | A |