| Williamsport Conference Center, LLC PA | Accommodation & Food Services | 0 | — | F |
| WILLIAMSPORT FAMILY MEDICAL CENTER LLC PA | Healthcare & Social Assistance | 0 | — | A |
| Williamsport Inn LLC PA | Accommodation & Food Services | 0 | — | F |
| Williamsport Properties PA | Administrative & Waste Services | 0 | — | F |
| WILLIAMSPORT STEEL CONTAINER CO., INC PA | Manufacturing | 0 | — | F |
| 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 | — | F |
| Willie Boats Inc. OR | Manufacturing | 0 | — | A |
| Willie Dixon Trucking CA | Construction | 0 | — | A |
| Willie Itule Produce AZ | Wholesale Trade | 0 | — | B |
| Willie Washer Mfg. Co. IL | Manufacturing | 0 | — | F |
| Willie's Grill & Icehouse - 1960 RD TX | — | 0 | — | — |
| Willie's Grill & Icehouse - College Station TX | — | 0 | — | — |
| Willie's Grill & Icehouse - Conroe TX | — | 0 | — | — |
| Willie's Grill & Icehouse - Cypress TX | — | 0 | — | — |
| Willie's Grill & Icehouse - Georgetown TX | — | 0 | — | — |
| Willie's Grill & Icehouse - HWY 249 TX | — | 0 | — | — |
| Willie's Grill & Icehouse - Hwy 6 N TX | — | 0 | — | — |
| Willie's Grill & Icehouse - I35 South TX | — | 0 | — | — |
| Willie's Grill & Icehouse - Katy Fwy TX | — | 0 | — | — |
| Willie's Grill & Icehouse - Leon Springs TX | — | 0 | — | — |
| Willie's Grill & Icehouse - New Braunfels TX | — | 0 | — | — |
| Willie's Grill & Icehouse - North Loop TX | — | 0 | — | — |
| Willie's Grill & Icehouse - NW FWY TX | — | 0 | — | — |
| Willie's Grill & Icehouse - Spring TX | — | 0 | — | — |
| Willie's Grill & Icehouse - Sugar Land TX | — | 0 | — | — |
| Willie's Grill & Icehouse. TX | — | 0 | — | — |
| WILLIE'S LABOR & HAULING CO., INC. NC | Agriculture & Forestry | 0 | — | A |
| Willier Electric Motor Repair Co., Inc. NJ | Other Services | 0 | — | A |
| Williford Houston & Co., CPAs, PLLC NC | Professional & Technical Services | 1 | $95,500 | — |
| Willimantic Hauling CT | Administrative & Waste Services | 0 | — | F |
| Willing and Moser, an Accountancy Corporation CA | Professional & Technical Services | 1 | $64,917 | — |
| Willingboro Board of Education NJ | Educational Services | 0 | — | F |
| Willingway GA | Healthcare & Social Assistance | 0 | — | F |
| Willis A. Smith Construction, Inc. FL | Construction | 0 | — | A |
| Willis Americas Administration Inc. NY | Professional & Technical Services | 1 | $177,272 | — |
| Willis Business Inc. TX | Retail Trade | 0 | — | D |
| Willis Cadillac IA | Retail Trade | 0 | — | A |
| Willis Construction Co., Inc. CA | Manufacturing | 0 | — | F |
| Willis Custom Yachts FL | Manufacturing | 0 | — | F |
| Willis Dady Emergency Shelter, Inc. IA | Healthcare & Social Assistance | 0 | — | A |
| Willis Energy Transfer LLC IL | Transportation & Warehousing | 0 | — | A |
| Willis Enterprises WA | Manufacturing | 0 | — | F |
| WILLIS FORD DE | Retail Trade | 0 | — | F |
| Willis Knighton Medical Center, Inc. LA | Healthcare & Social Assistance | 7 | $230,671 | — |
| Willis Land Rover Jaguar Mini & Volvo IA | Retail Trade | 0 | — | D |
| Willis lease finance corporation. FL | Real Estate | 0 | — | F |
| Willis Mechanical Inc. GA | Construction | 0 | — | A |
