| Washington Metro Area Transit Authority NEW CARROLLTON RAIL FACILITY MD | Transportation & Warehousing | 0 | — | C |
| Washington Metro Area Transit Authority PENNSY PLNT TRST MD | Construction | 0 | — | F |
| Washington Metro Area Transit Authority SHADY GROVE RAIL FACILITY MD | Transportation & Warehousing | 0 | — | C |
| Washington Metro Area Transit Authority SHEPHERD PARKWAY BUS FACILITY DC | Transportation & Warehousing | 0 | — | F |
| Washington Metro Area Transit Authority SOUTHERN AVENUE FACILITY MD | Transportation & Warehousing | 0 | — | F |
| Washington Metro Area Transit Authority WEST FALLS CHURCH RAIL FACILITY VA | Transportation & Warehousing | 0 | — | C |
| Washington Metro Area Transit Authority WESTERN BUS FACILITY DC | Transportation & Warehousing | 0 | — | F |
| Washington Metropolitan Area Transit Authority DC | Public Administration | 1 | $148,791 | F |
| Washington Metropolitan Area Transit Authority MD | Public Administration | 0 | — | F |
| Washington Metropolitan Area Transit Authority VA | Public Administration | 0 | — | F |
| Washington Metropolitan Area Transit Authority (WMATA) VA | — | 0 | — | — |
| Washington Mills IL | Manufacturing | 0 | — | A |
| Washington Mills MA | Manufacturing | 0 | — | F |
| Washington Mills NY | Manufacturing | 0 | — | F |
| Washington Mills Ceramics WI | Manufacturing | 0 | — | C |
| Washington Nationals Baseball Club DC | Arts & Entertainment | 0 | — | A |
| Washington Odd Fellows Home WA | Healthcare & Social Assistance | 0 | — | F |
| Washington Operations LLC OH | Healthcare & Social Assistance | 0 | — | F |
| WASHINGTON OPS LLC PA | Healthcare & Social Assistance | 0 | — | F |
| Washington Orchard Management WA | Agriculture & Forestry | 0 | — | F |
| Washington Orthopedic Center WA | Healthcare & Social Assistance | 0 | — | F |
| WASHINGTON ORTHOPEDIC SPINE & RUTH DAVIDSON MBR WA | Healthcare & Social Assistance | 1 | $68,640 | — |
| WASHINGTON PATRIOT CONSTRUCTION, LLC WA | Construction | 0 | — | F |
| Washington Penn KY | Manufacturing | 0 | — | D |
| Washington Penn OH | Manufacturing | 0 | — | F |
| Washington Penn - LaFayette GA | Manufacturing | 0 | — | A |
| Washington Penn - WPD OH | Manufacturing | 0 | — | F |
| Washington Penn Plastic Co,. Inc. GA | Manufacturing | 0 | — | C |
| Washington Penn Plastic Co., Inc. PA | Manufacturing | 1 | $87,589 | B |
| Washington Place dba Blue Hill NY | — | 0 | — | — |
| WASHINGTON POTATO COMPANY WA | Manufacturing | 0 | — | F |
| Washington Power generation LLC OH | Utilities | 0 | — | A |
| Washington Prime Group OH | — | 0 | — | — |
| Washington Regional AR | Healthcare & Social Assistance | 0 | — | C |
| Washington Regional Medical Center AR | Healthcare & Social Assistance | 0 | — | F |
| WASHINGTON ROTATING CO PA | Manufacturing | 0 | — | A |
| Washington Square Nursing Center OH | Healthcare & Social Assistance | 0 | — | F |
| Washington Square Restaurant Partners LP PA | — | 0 | — | — |
| WASHINGTON ST. TAMMANY ELECTRIC LA | Utilities | 0 | — | F |
| WASHINGTON ST. TAMMANY ELECTRIC COOPERATIVE LA | Utilities | 0 | — | C |
| Washington State Administrative Office of the Courts WA | Public Administration | 1 | $120,000 | — |
| Washington State Auditor's Office - Thurston County WA | Public Administration | 0 | — | A |
| Washington State Convention Center WA | — | 0 | — | — |
| Washington State Department of Agriculture WA | Professional & Technical Services | 0 | — | F |
| Washington State Department of Children, Youth, and Families WA | Public Administration | 1 | $120,960 | — |
| Washington State Department of Health WA | Public Administration | 1 | $80,112 | A |
| Washington State Department of Social and Health Services WA | Public Administration | 1 | $107,148 | F |
| Washington State Department of Transportation WA | Public Administration | 1 | $99,516 | F |
| Washington State Dept of Natural Resources WA | Public Administration | 0 | — | C |
| Washington State Employment Security Department WA | — | 0 | — | — |