| Washington Equipment Manufacturing Company, Inc. dna WEMCO WA | Manufacturing | 0 | — | F |
| Washington Express LLC MD | Transportation & Warehousing | 0 | — | C |
| Washington Express Movers LLC DBA Office Movers Express MD | Transportation & Warehousing | 0 | — | F |
| Washington Family Vet Clinic UT | Professional & Technical Services | 0 | — | A |
| Washington Fire Department Station #2 NC | Public Administration | 0 | — | A |
| WASHINGTON FLORAL SERVICE, INC. WA | Wholesale Trade | 0 | — | C |
| Washington Furniture MS | — | 0 | — | — |
| Washington Gardens OR | Healthcare & Social Assistance | 0 | — | F |
| Washington Gas Light Company DC | Utilities | 0 | — | C |
| Washington Gas Light Company MD | Utilities | 0 | — | F |
| Washington Gas Light Company VA | Utilities | 0 | — | D |
| Washington Gas Light Company WV | Utilities | 0 | — | A |
| Washington Golf & Country Club, Inc. VA | Arts & Entertainment | 0 | — | D |
| Washington Golf and Country Club VA | — | 0 | — | — |
| Washington Health Benefit Exchange WA | Finance & Insurance | 4 | $119,336 | — |
| Washington Health System PA | Healthcare & Social Assistance | 0 | — | D |
| Washington Humane Society/ Humane Rescue Alliance NJ | Other Services | 0 | — | A |
| Washington Humane Society/Humanerescuealliance DC | Other Services | 0 | — | F |
| Washington International Flight Academy MD | Educational Services | 2 | $81,120 | — |
| Washington International School DC | Educational Services | 4 | $70,450 | — |
| Washington Iron Works CA | Construction | 0 | — | F |
| Washington Jefferson Hotel, LLC NY | — | 0 | — | — |
| 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 |