| Williams Brothers Construction Co., Inc. - Houston, TX TX | Construction | 0 | - | F |
| Williams Brothers Trucking, Inc GA | Transportation & Warehousing | 0 | - | C |
| Williams College MA | Educational Services | 5 | - | - |
| Williams Companies MT | Construction | 0 | - | F |
| Williams Construction Arkansas Inc. MO | Construction | 0 | - | F |
| Williams Cos OK | - | 0 | - | - |
| Williams Distributing MI | Wholesale Trade | 0 | - | D |
| Williams Erection Company, Inc. GA | Construction | 0 | - | B |
| Williams Field Services Group LLC CO | - | 0 | - | - |
| Williams Furnace Company CA | Manufacturing | 0 | - | F |
| Williams Inc. AK | - | 0 | - | - |
| Williams Institutional Foods GA | Wholesale Trade | 0 | - | F |
| Williams International Co, LLC UT | Manufacturing | 1 | $86,818 | C |
| Williams International, LLC MI | Manufacturing | 0 | - | C |
| Williams International, LLC. MI | - | 0 | - | - |
| Williams Lea Corporate Information Solutions NY | - | 0 | - | - |
| Williams Lumber INC NY | Retail Trade | 0 | - | A |
| Williams NatonaLease LTD IL | Transportation & Warehousing | 0 | - | C |
| Williams Sausage Company TN | Manufacturing | 0 | - | C |
| Williams Scotsman, Inc. AZ | Real Estate | 5 | $146,129 | A |
| Williams Sonoma Inc CA | Transportation & Warehousing | 0 | - | F |
| Williams Sonoma, Inc. TX | - | 0 | - | - |
| Williams Tank Lines CA | Transportation & Warehousing | 0 | - | B |
| Williams WPC-I, LLC OK | Transportation & Warehousing | 3 | $126,467 | - |
| Williams-Sonoma Direct, Inc. CA | - | 0 | - | - |
| Williams-Sonoma Inc. NJ | Transportation & Warehousing | 0 | - | C |
| Williams-Sonoma, Inc FL | Wholesale Trade | 0 | - | - |
| Williams-Sonoma, Inc GA | Wholesale Trade | 0 | - | F |
| Williams-Sonoma, Inc MS | Retail Trade | 0 | - | D |
| Williams-Sonoma, Inc NC | Retail Trade | 0 | - | F |
| Williams-Sonoma, Inc NY | Wholesale Trade | 0 | - | F |
| Williams-Sonoma, Inc TX | Wholesale Trade | 0 | - | D |
| Williams-Sonoma, Inc. CA | Management of Companies | 25 | $148,846 | F |
| Williamsburg Hotel Corporation dba DoubleTree by Hilton Mundelein-Libertyville IL | - | 0 | - | - |
| Williamsburg Manufacturing IA | Manufacturing | 0 | - | F |
| Williamsburg Northside Infant &Toddler Center NY | - | 0 | - | - |
| Williamsburg Regional Hospital SC | - | 0 | - | - |
| WilliamsMarston LLC MA | Professional & Technical Services | 1 | $175,000 | - |
| Williamson & Sons Marine Construction, Inc FL | Construction | 0 | - | F |
| Williamson County IL | Public Administration | 0 | - | F |
| Williamson County Board of Education TN | Educational Services | 0 | - | B |
| Williamson County, Tennessee TN | Public Administration | 0 | - | A |
| Williamson Memorial Hospital, LLC WV | - | 0 | - | - |
| Williamson Morgan & Associates LLC CA | - | 0 | - | - |
| Williamson Street Grocery Co-op WI | Retail Trade | 0 | - | A |
| Williamson-Dickie TX | - | 0 | - | - |
| Williamsport-South Operations, LLC PA | Healthcare & Social Assistance | 0 | - | F |
| Williamston Clinic Corporation NC | Healthcare & Social Assistance | 0 | - | A |
| Williamston Hospital Corporation NC | Healthcare & Social Assistance | 0 | - | A |
| Williamsville Suburban, LLC NY | Healthcare & Social Assistance | 0 | - | - |