| WSP Williams Sale Partnersthip Limited PA | — | 0 | — | — |
| WSS (Foot Locker) TX | — | 0 | — | — |
| WSSC Water MD | Utilities | 0 | — | F |
| WT Construction Inc. LA | Construction | 0 | — | A |
| WT Contracting & Dirt, Inc. KS | Construction | 0 | — | F |
| WT Gardner & Sons Inc ME | Transportation & Warehousing | 0 | — | A |
| WTA Tour, Inc. FL | Arts & Entertainment | 1 | $121,232 | — |
| WTE RECYCLING INC MA | Wholesale Trade | 0 | — | F |
| WTG Downstream LLC TX | Utilities | 0 | — | D |
| WTG Fuels, LLC TX | Wholesale Trade | 0 | — | B |
| WTG Terrazzo & Tile, Inc. MN | Construction | 0 | — | F |
| WTH Cane Creek TN | Healthcare & Social Assistance | 0 | — | F |
| WTI Holdings LLC OK | Professional & Technical Services | 1 | $95,000 | — |
| WTI Holdings LLC (DBA Waterfield Innovations DBA Waterfield Technologies) OK | Professional & Technical Services | 3 | $123,467 | — |
| WTI Transport, Imc AL | Transportation & Warehousing | 0 | — | D |
| WTP AMERICA LLC CA | Professional & Technical Services | 3 | $162,132 | — |
| WTP AMERICA LLC TX | Professional & Technical Services | 1 | $202,000 | — |
| WTS International, Inc. Hyatt Regency Orlando Resort FL | — | 0 | — | — |
| WTS Paradigm, LLC. WI | Professional & Technical Services | 3 | $92,403 | — |
| WTVQ-TV KY | Information & Media | 0 | — | A |
| Wu & Associates, Inc. NJ | Construction | 0 | — | A |
| Wuebben Construction Inc MI | Construction | 0 | — | A |
| Wuerflein Honda MN | Other Services | 0 | — | F |
| Wuest Electric OH | Construction | 0 | — | A |
| Wulco Inc OH | Manufacturing | 0 | — | F |
| Wulco Inc PA | Manufacturing | 0 | — | A |
| Wulfenstein Construction Co. NV | Construction | 0 | — | F |
| Wulff Enterprises Inc. GA | Wholesale Trade | 0 | — | A |
| Wulff Enterprises Inc. OH | Wholesale Trade | 0 | — | C |
| Wunderkammer Holdings, Inc. MA | Professional & Technical Services | 1 | $165,000 | — |
| Wunderkind Corporation NY | Professional & Technical Services | 2 | $143,000 | — |
| Wunderlich Fibre Box Company MO | Manufacturing | 0 | — | A |
| Wunderlich-Malec Engineering, Inc. MN | Professional & Technical Services | 1 | $136,552 | — |
| Wunderman Thompson LLC NY | Professional & Technical Services | 2 | $161,750 | — |
| Wuoliet Bakery MN | — | 0 | — | — |
| Wuollet Bakery MN | — | 0 | — | — |
| Wuollet Bakery Uptown MN | — | 0 | — | — |
| WUPW Broadcasting Station OH | — | 0 | — | — |
| Wurlitzer Events NY | Accommodation & Food Services | 0 | — | A |
| Wurster Construction IN | Construction | 0 | — | F |
| Wurtec OH | Manufacturing | 0 | — | D |
| Wurth Adams IN | Wholesale Trade | 0 | — | B |
| Wurth Adams MN | Wholesale Trade | 0 | — | A |
| Wurth Adams WI | Wholesale Trade | 0 | — | A |
| Wurth Baer Supply Co CT | Wholesale Trade | 0 | — | F |
| Wurth Baer Supply Co KY | Wholesale Trade | 0 | — | A |
| Wurth Baer Supply Co PA | Wholesale Trade | 0 | — | D |
| Wurth Baer Supply Co RI | Wholesale Trade | 0 | — | A |
| Wurth Baer Supply Company IL | Wholesale Trade | 0 | — | A |
| Wurth Baer Supply Company MO | Wholesale Trade | 0 | — | F |