| WM-Waste Management LA | Administrative & Waste Services | 0 | — | B |
| Wm. A. Schmidt and Sons PA | Manufacturing | 0 | — | F |
| Wm. Aupperle & Sons, Inc IL | Construction | 0 | — | F |
| WM. B. REILY & CO., INC.' LA | Manufacturing | 0 | — | C |
| WM. B. REILY & CO., INC.' MA | Manufacturing | 0 | — | F |
| WM. B. REILY & CO., INC.' TN | Manufacturing | 0 | — | C |
| Wm. Bolthouse Farms, Inc. CA | — | 0 | — | — |
| Wm. Dauch Concrete Co. OH | Manufacturing | 0 | — | D |
| Wm. Hafer Drayage Co., Inc. OH | Transportation & Warehousing | 0 | — | A |
| Wm. J Keller & Sons Construction Corp NY | Construction | 0 | — | C |
| Wm. J. Cassidy Tire & Auto Supply, LLC IL | Retail Trade | 0 | — | D |
| Wm. J. Keller & sons Construction Corp. NY | Construction | 0 | — | C |
| Wm. Kramer & Son, Inc OH | Construction | 0 | — | F |
| Wm. L. Robinson Concrete Contractors, Inc. PA | Construction | 0 | — | A |
| Wm. Masters Inc, IL | Construction | 0 | — | B |
| Wm. Mueller & Sons, Inc. MN | Construction | 0 | — | A |
| Wm. Prescott Roofing & Rem., Inc PA | Construction | 0 | — | A |
| Wm. R. Curtis MI | Construction | 0 | — | F |
| Wm. T. Burnett & Co. / STX, LLC MD | Management of Companies | 0 | — | A |
| Wm. T. Burnett & Co. Foaming Division MD | Manufacturing | 0 | — | F |
| Wm. T. Burnett & Co., Nonwovens Division AZ | Manufacturing | 0 | — | A |
| Wm. T. Burnett & Co., Nonwovens Division NC | Manufacturing | 0 | — | F |
| Wm. W. Fox Developmental Center IL | Professional & Technical Services | 0 | — | F |
| Wm. W. Meyer & Sons, Inc IL | Manufacturing | 0 | — | F |
| Wm. Winkler Company WA | Construction | 0 | — | C |
| WMA Logistics NC | Transportation & Warehousing | 0 | — | A |
| WMBE Payrolling Inc. CA | Professional & Technical Services | 1 | $189,592 | — |
| WMBE Payrolling Inc. dba TCWGlobal CA | — | 0 | — | — |
| WMBE Payrolling Inc. dba TCWGlobal (contracted by Zenimax) MD | — | 0 | — | — |
| WMC Inc IL | Construction | 0 | — | A |
| WMC Physician Practices, LLC WV | Healthcare & Social Assistance | 1 | $270,000 | — |
| WMC, Inc. MO | Construction | 0 | — | A |
| WMF RESTORATION INC IL | Administrative & Waste Services | 0 | — | F |
| WMG ID | Administrative & Waste Services | 0 | — | A |
| Wmi,Wmi I, Wmire, Williams Mechanical, Inc. CA | — | 0 | — | — |
| WMJ Farms, Incorpoated CA | Agriculture & Forestry | 0 | — | C |
| WMK, LLC CA | Manufacturing | 0 | — | F |
| WMK, LLC IL | Manufacturing | 0 | — | A |
| WMK, LLC OH | Manufacturing | 0 | — | D |
| WMK, LLC SC | Manufacturing | 0 | — | F |
| WMK, LLC dba Driverge Vehicle Innovations KS | Manufacturing | 0 | — | A |
| WMK, LLC dba Driverge Vehicle Innovations OH | Manufacturing | 0 | — | A |
| WMLS Group, Inc. FL | — | 0 | — | — |
| WMOG Inc. OH | Construction | 0 | — | D |
| WMP Plumbing LLC NY | Construction | 0 | — | A |
| WMS Delivery CA | Transportation & Warehousing | 0 | — | F |
| WMS LLC MI | Construction | 0 | — | A |
| WMSC Transportation AR | Transportation & Warehousing | 0 | — | F |
| WMT HOUSING, LLC DBA LIVE OAK HOMES PLANT 1 GA | Manufacturing | 0 | — | F |
| WMT HOUSING, LLC DBA LIVE OAK HOMES PLANT 2 GA | Manufacturing | 0 | — | F |
