| Will-O-Crest Farms LP NY | Agriculture & Forestry | 0 | — | F |
| Willacoochee Industrial Fabrics - Nashville GA | Manufacturing | 0 | — | D |
| Willacy Co-op TX | Agriculture & Forestry | 0 | — | A |
| Willakenzie Animal Clinic OR | Professional & Technical Services | 0 | — | A |
| Willamalane Park and Recreation District OR | Public Administration | 0 | — | F |
| Willamar Operating, L.P. TX | Agriculture & Forestry | 0 | — | F |
| Willamette Egg Farms LLC OR | Agriculture & Forestry | 0 | — | F |
| Willamette Egg Farms LLC WA | Agriculture & Forestry | 0 | — | F |
| Willamette Falls Paper Company OR | Manufacturing | 0 | — | F |
| Willamette Family Medical Center, Inc. OR | Healthcare & Social Assistance | 2 | $250,322 | — |
| Willamette Farm Labor Contracting LLC OR | Agriculture & Forestry | 0 | — | F |
| Willamette Hazelnut, Inc. OR | Wholesale Trade | 2 | $87,844 | — |
| Willamette Nurseries, Inc. OR | Agriculture & Forestry | 0 | — | F |
| Willamette Springs Memory, LLC OR | Healthcare & Social Assistance | 0 | — | F |
| Willamette Technical Fabricators OR | Manufacturing | 0 | — | F |
| WILLAMETTE VALLEY EXCAVATING OR | Construction | 0 | — | A |
| Willamette Valley Meat Co. OR | Manufacturing | 0 | — | F |
| WILLAMETTE VALLEY MEDICAL CENTER - D530101 OR | Healthcare & Social Assistance | 0 | — | B |
| Willamette View, Inc OR | Healthcare & Social Assistance | 0 | — | F |
| Willapa Harbor Hospital WA | Healthcare & Social Assistance | 0 | — | A |
| Willard Agri-Service of Frederick, Inc. DE | Wholesale Trade | 0 | — | A |
| Willard Agri-Service of Frederick, Inc. MD | Wholesale Trade | 0 | — | C |
| Willard Agri-Service of Frederick, Inc. PA | Wholesale Trade | 0 | — | A |
| Willbanks Metals Inc TX | Manufacturing | 0 | — | F |
| Willbloom Partners LTD / Liberty Hospitality Partners PA | Accommodation & Food Services | 0 | — | A |
| Willborn Bros. Co. LLC TX | Construction | 0 | — | F |
| Willbrandt Enterprises, Inc. MI | Agriculture & Forestry | 0 | — | A |
| Willco Underground TX | Construction | 0 | — | A |
| WillCon FL | Construction | 0 | — | A |
| Willcox/Cochise KOA AZ | Accommodation & Food Services | 0 | — | A |
| Willdan Energy Company CA | Professional & Technical Services | 1 | $89,357 | — |
| Willdan Energy Solutions CA | Professional & Technical Services | 1 | $78,562 | — |
| Willdan Group, Inc. AZ | Professional & Technical Services | 0 | — | F |
| Willdan Group, Inc. CA | Construction | 0 | — | C |
| Willdan Group, Inc. CO | Professional & Technical Services | 0 | — | A |
| Willdan Group, Inc. MA | Professional & Technical Services | 0 | — | A |
| Willdan Group, Inc. MD | Construction | 0 | — | A |
| Willdan Group, Inc. NC | Construction | 0 | — | A |
| Willdan Group, Inc. NJ | Construction | 0 | — | A |
| Willdan Group, Inc. NY | Professional & Technical Services | 0 | — | F |
| Willdan Group, Inc. WA | Construction | 0 | — | A |
| Willdan Lighting and Electric CA | Professional & Technical Services | 1 | $85,862 | — |
| Wille Bros., Co. IL | Manufacturing | 0 | — | C |
| Willer Tool Corporation WI | Manufacturing | 0 | — | A |
| Willert Home Products, Inc. MO | Manufacturing | 0 | — | F |
| Willert Manufacturing Co., LLC PA | Manufacturing | 0 | — | F |
| Willet Dairy, LLC NY | Agriculture & Forestry | 0 | — | D |
| Willet Hauser Company, LLC MN | Construction | 0 | — | F |
| Willett, Hofmann & Associates, Inc. IL | Professional & Technical Services | 1 | $125,000 | — |
| Willetts Sprinkler Design, Inc. NJ | Construction | 0 | — | A |