| Winsupply Inc OH | Wholesale Trade | 5 | $138,520 | B |
| Wintek Solutions, INC. CT | Professional & Technical Services | 4 | $106,625 | - |
| Winter Gardens Quality Foods PA | Manufacturing | 0 | - | F |
| Winter Haven Hospital, Inc. (6100) FL | Healthcare & Social Assistance | 0 | - | F |
| Wintergreen Resort VA | Accommodation & Food Services | 0 | - | F |
| Winterwood Business Solutions Inc. dba the Parcel Team MA | Transportation & Warehousing | 0 | - | F |
| Winthrop University SC | Educational Services | 1 | $61,500 | - |
| Wintonbury Care Center LLC CT | Healthcare & Social Assistance | 0 | - | F |
| Wintrust Financial Corporation IL | Management of Companies | 11 | $142,468 | - |
| Winwire Technologies, INC. CA | Professional & Technical Services | 5 | $147,181 | - |
| Winzer Corporation CA | - | 0 | - | - |
| WIOSS Atlanta LP GA | - | 0 | - | - |
| Wipaire, Inc. MN | Manufacturing | 0 | - | F |
| Wipfli LLP WI | Professional & Technical Services | 3 | $139,233 | - |
| Wipro TX | - | 0 | - | - |
| Wipro Appirio INC IN | Professional & Technical Services | 3 | $83,942 | - |
| Wipro Limited FL | - | 0 | - | - |
| Wipro Limited NJ | Professional & Technical Services | 1,170 | $97,778 | - |
| Wipro NextGen Enterprise Inc., GA | Professional & Technical Services | 3 | $86,200 | - |
| Wipro Pari Inc. MI | Wholesale Trade | 2 | $83,385 | A |
| Wipro Telecom Consulting LLC GA | Professional & Technical Services | 3 | $98,204 | - |
| Wipro VLSI Design Services, LLC CA | Professional & Technical Services | 4 | $128,950 | - |
| Wipro, LLC CA | - | 0 | - | - |
| Wirco IL | Manufacturing | 0 | - | F |
| WireCo WorldGroup MO | Manufacturing | 0 | - | F |
| WireCo WorldGroup Sedalia MO | Manufacturing | 0 | - | F |
| WireCrafters LLC KY | Manufacturing | 0 | - | F |
| Wired Delivery Service NY | Transportation & Warehousing | 0 | - | B |
| WiredHive, LLC TX | Professional & Technical Services | 1 | $141,440 | - |
| Wiregrass Construction Company, Inc. AL | Construction | 0 | - | D |
| Wiregrass Rehabilitation Center AL | Healthcare & Social Assistance | 0 | - | C |
| Wireless Advocates NV | - | 0 | - | - |
| Wireless Everywhere, LLC DC | Professional & Technical Services | 3 | $98,946 | - |
| Wireless Media Consulting Inc. VA | Professional & Technical Services | 1 | $125,000 | - |
| Wireless Vision MI | - | 0 | - | - |
| Wirerope Works Inc. PA | Manufacturing | 0 | - | F |
| Wirestock, Inc. CA | Professional & Technical Services | 1 | $131,040 | - |
| Wirthwein New Bern Corp. NC | - | 0 | - | - |
| WIS International CA | - | 0 | - | - |
| 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 WI | Manufacturing | 0 | - | B |
| Wisconsin Aluminum Foundry WI | Manufacturing | 0 | - | F |
| Wisconsin Aviation WI | Transportation & Warehousing | 0 | - | A |
| Wisconsin Building Supply/USLBM WI | Retail Trade | 0 | - | D |
| Wisconsin Central Railroad MN | Transportation & Warehousing | 0 | - | C |
| Wisconsin Central School Bus WI | - | 0 | - | - |
| Wisconsin Community Services Inc. WI | Healthcare & Social Assistance | 1 | $44,000 | - |