| Wellsville- J. RETTENMAIER USA LP KS | Manufacturing | 0 | — | A |
| Welltower Inc NY | Real Estate | 0 | — | A |
| Welltower Inc. AL | Real Estate | 0 | — | A |
| Welltower Inc. DC | Real Estate | 0 | — | A |
| Welltower Inc. FL | Real Estate | 0 | — | A |
| Welltower Inc. GA | Real Estate | 0 | — | F |
| Welltower Inc. KS | Real Estate | 0 | — | A |
| Welltower Inc. MO | Real Estate | 0 | — | A |
| Welltower Inc. NJ | Real Estate | 0 | — | A |
| Welltower Inc. TX | Real Estate | 0 | — | A |
| Welltower LLC IL | Healthcare & Social Assistance | 0 | — | A |
| Welltower Orange Tenant CA | Healthcare & Social Assistance | 0 | — | F |
| Welltower Pacific Beach Tenant CA | Healthcare & Social Assistance | 0 | — | F |
| Welltower, Inc. OH | Real Estate | 4 | $112,653 | A |
| Welmade Technology Corp AZ | Professional & Technical Services | 1 | $84,000 | — |
| WelMart, Inc. PA | Retail Trade | 0 | — | A |
| Welocalize TX | — | 0 | — | — |
| welocalize, Inc. OR | — | 0 | — | — |
| WelPak Corporation NY | Transportation & Warehousing | 0 | — | A |
| Welsbach Electric Corp. of L.I. NY | Construction | 0 | — | F |
| Welsbach Electric Corporation NY | Construction | 0 | — | D |
| Welsch Heating and Cooling Co MO | Construction | 0 | — | F |
| Welsch Ready Mix, Inc. IL | Wholesale Trade | 0 | — | F |
| Welsco, Inc. AR | Wholesale Trade | 0 | — | C |
| Welser Profile North America, LLC OH | Manufacturing | 0 | — | F |
| Welsh Construction MN | Construction | 0 | — | A |
| Welsh Equipment, Inc. MN | Manufacturing | 0 | — | F |
| Welsh Excavation Company, Inc. OH | Construction | 0 | — | A |
| Welsh Home OH | Healthcare & Social Assistance | 0 | — | A |
| Welsh Irrigation & Equipment LLC LA | Wholesale Trade | 0 | — | F |
| Welsh Sanitation NY | Administrative & Waste Services | 0 | — | D |
| Welspun Tubular LLC AR | Manufacturing | 0 | — | F |
| Welspun USA, Inc. OH | Manufacturing | 1 | $160,000 | — |
| Welter Forest Products WI | Manufacturing | 0 | — | F |
| Welty Shared Services OH | Construction | 0 | — | A |
| WEMA Logistics MO | Transportation & Warehousing | 0 | — | F |
| Wemco LA | — | 0 | — | — |
| WEMCO Inc IL | Manufacturing | 0 | — | A |
| Wemco Inc. NV | — | 0 | — | — |
| WEMO INDUSTRIES, INC FL | Construction | 0 | — | A |
| WEMS Inc. CA | Manufacturing | 0 | — | F |
| Wenatchee Valley Hospital WA | Healthcare & Social Assistance | 0 | — | F |
| Wenatchee Valley Medical Group WA | Healthcare & Social Assistance | 0 | — | A |
| Wenatchee Valley Medical Group, PS WA | Healthcare & Social Assistance | 4 | $296,250 | — |
| Wencl Services, Inc MN | Construction | 0 | — | A |
| WENCO Construction Company, LLC OH | Construction | 0 | — | F |
| Wenco Energy Corp OK | Manufacturing | 0 | — | A |
| Wencor Group FL | Wholesale Trade | 0 | — | A |
| Wencor Group TX | Wholesale Trade | 0 | — | B |
| Wencor Group, LLC CA | — | 0 | — | — |
