| Washington Lanehart Electrical Co., Inc VA | Construction | 0 | — | F |
| Washington Marine Repair LLC OR | Manufacturing | 0 | — | A |
| Washington Maritime Blue WA | Professional & Technical Services | 4 | $86,611 | — |
| Washington Metal Fabricators MO | Manufacturing | 0 | — | F |
| Washington Metro Area Transit Authority MD | — | 0 | — | — |
| Washington Metro Area Transit Authority 1593 SPRING HILL ROAD VA | Transportation & Warehousing | 0 | — | A |
| Washington Metro Area Transit Authority ALEXANDRIA RAIL FACILITY VA | Transportation & Warehousing | 0 | — | A |
| Washington Metro Area Transit Authority BLADENSBURG FACILITY DC | Transportation & Warehousing | 0 | — | F |
| Washington Metro Area Transit Authority BLAIR ROAD SATELLITE FACILITY DC | Other Services | 0 | — | C |
| Washington Metro Area Transit Authority BRANCH AVENUE RAIL FACILITY MD | Transportation & Warehousing | 0 | — | C |
| Washington Metro Area Transit Authority BRENTWOOD RAIL FACILITY DC | Transportation & Warehousing | 0 | — | D |
| Washington Metro Area Transit Authority BUS - BMNT ANDREWS FEDERAL MAINTENANCE MD | Transportation & Warehousing | 0 | — | F |
| Washington Metro Area Transit Authority BUS BTRA CINDERBED TRANS VA | Transportation & Warehousing | 0 | — | F |
| Washington Metro Area Transit Authority CARMEN TURNER FACILITY MD | Transportation & Warehousing | 0 | — | C |
| Washington Metro Area Transit Authority COBB RD FACILITY MD | Utilities | 0 | — | A |
| Washington Metro Area Transit Authority EISENHOWER ALEXANDRIA HQ VA | Transportation & Warehousing | 0 | — | A |
| Washington Metro Area Transit Authority FOUR MILE RUN BUS FACILITY VA | Transportation & Warehousing | 0 | — | D |
| Washington Metro Area Transit Authority GLENMONT RAIL FACILITY MD | Transportation & Warehousing | 0 | — | D |
| Washington Metro Area Transit Authority GREENBELT RAIL FACILITY MD | Transportation & Warehousing | 0 | — | A |
| Washington Metro Area Transit Authority JACKSON GRAHAM BUILDING DC | Transportation & Warehousing | 0 | — | D |
| Washington Metro Area Transit Authority L ENFANT PLAZA HQ DC | Transportation & Warehousing | 0 | — | A |
| Washington Metro Area Transit Authority LANDOVER BUS FACILITY MD | Transportation & Warehousing | 0 | — | F |
| Washington Metro Area Transit Authority LARGO RAIL OPERATIONS MD | Transportation & Warehousing | 0 | — | D |
| Washington Metro Area Transit Authority METRO CENTER SALES OFFICE DC | Administrative & Waste Services | 0 | — | A |
| Washington Metro Area Transit Authority METRO SUPPLY FACILITY MTPD CID MD | Transportation & Warehousing | 0 | — | B |
| Washington Metro Area Transit Authority MONTGOMERY BUS FACILITY MD | Transportation & Warehousing | 0 | — | F |
| Washington Metro Area Transit Authority MTPD DISTRICT 3 MD | Transportation & Warehousing | 0 | — | F |
| Washington Metro Area Transit Authority NEW CARROLLTON HQ MD | Transportation & Warehousing | 0 | — | A |
| 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 | — |