| Willcox Unified School District 13 AZ | - | 1 | $50,250 | - |
| Willdan Energy Company CA | Professional & Technical Services | 1 | $89,357 | - |
| Willdan Energy Solutions CA | Professional & Technical Services | 3 | $127,066 | - |
| Willdan Lighting and Electric CA | Professional & Technical Services | 1 | $85,862 | - |
| Willdan Lighting and Electric, Inc. CA | - | 2 | $81,297 | - |
| Willert Home Products, Inc. MO | Manufacturing | 0 | - | F |
| Willert Manufacturing Co., LLC PA | Manufacturing | 0 | - | F |
| Willett, Hofmann & Associates, Inc. IL | Professional & Technical Services | 1 | $125,000 | - |
| William & Inez Mabel Skilled Nursing Facility CA | - | 0 | - | - |
| William Aurthur / Crane Co ME | - | 0 | - | - |
| William Barnet & Son LLC GA | Manufacturing | 0 | - | A |
| William Beaumont Hospital MI | Healthcare & Social Assistance | 9 | $95,499 | - |
| William Bee Ririe Hospital and Rural Health Clinics NV | - | 2 | $76,752 | - |
| William Blair & Company, LLC IL | Finance & Insurance | 3 | $170,800 | - |
| William Blair & Company, LLC IL | - | 5 | $175,000 | - |
| William Blair Investment Management, LLC IL | Finance & Insurance | 2 | $163,750 | - |
| William Blanford DDS PLLC NY | Healthcare & Social Assistance | 1 | $247,000 | - |
| William Carey University MS | Educational Services | 2 | $110,400 | - |
| William Carter Compnay GA | Transportation & Warehousing | 0 | - | C |
| William Choi, D.M.D., Inc. CA | - | 1 | $196,539 | - |
| William Cox Dental Corporation CA | Healthcare & Social Assistance | 1 | $186,000 | - |
| William Dale Young & Sons, Inc., Cocopah Nurseries AZ | - | 0 | - | - |
| William Davidson Institute at the University of Michigan MI | Professional & Technical Services | 1 | $116,225 | - |
| William F. Ryan Community Health Center, Inc. NY | - | 3 | $205,000 | - |
| William Gottlieb Management Co., LLC NY | - | 0 | - | - |
| William H. Gates, III WA | - | 1 | $145,000 | - |
| William Hefner Architect Inc. CA | - | 1 | $87,580 | - |
| William Hood & Company LLC NY | - | 1 | $175,000 | - |
| William J. Peltier & Associates, Inc. GA | Construction | 1 | $126,500 | - |
| William J. Peltier & Associates, Inc. GA | - | 1 | $134,000 | - |
| William J. Schwarz. P.T., P.C. NY | Healthcare & Social Assistance | 1 | $58,500 | - |
| William J.K. Saiget, P.C. CA | - | 2 | $190,000 | - |
| William James College MA | Educational Services | 1 | $75,000 | - |
| William Jessup University CA | - | 1 | $62,400 | - |
| William Jewell College MO | - | 3 | $75,000 | - |
| William Kenneth Inc. GA | - | 2 | $42,411 | - |
| William Kreysler & Associates CA | Manufacturing | 0 | - | - |
| William M. Cafaro & Associates, LLC OH | Real Estate | 0 | - | F |
| William Morris Endeavor Entertainment LLC CA | - | 0 | - | - |
| William Morris Endeavor Entertainment LLC NY | Arts & Entertainment | 1 | $400,000 | - |
| William Newton Hospital KS | - | 1 | $69,285 | - |
| William Newton Memorial Hospital KS | Healthcare & Social Assistance | 0 | - | D |
| William Paterson University NJ | Educational Services | 2 | $100,769 | - |
| William Paterson University of New Jersey NJ | - | 2 | $98,592 | - |
| William Penn University IA | - | 1 | $41,787 | - |
| William R. Nash, Inc. FL | Construction | 0 | - | D |
| William Warren Properties, Inc. CA | Real Estate | 0 | - | D |
| William Woods University MO | Educational Services | 0 | - | D |
| William Wrigley Jr. Company IL | - | 2 | $192,960 | - |
| Williamette Falls Paper Company OR | - | 0 | - | - |
