| Washington Conference of Seventh-day Adventists WA | Other Services | 1 | $88,620 | — |
| Washington County IL | Public Administration | 0 | — | A |
| Washington County Ambulance Service IL | Healthcare & Social Assistance | 0 | — | A |
| Washington County Commissioners MD | Public Administration | 0 | — | A |
| Washington County Court House IL | Public Administration | 0 | — | A |
| Washington County Highway Department IL | Public Administration | 0 | — | A |
| Washington County Hospital IA | Healthcare & Social Assistance | 3 | $61,041 | — |
| Washington County Hospital IL | Healthcare & Social Assistance | 0 | — | A |
| Washington County Hospital KS | Healthcare & Social Assistance | 0 | — | F |
| Washington County Hospital and Clinics IA | Healthcare & Social Assistance | 0 | — | C |
| Washington County Independent School District 831 MN | Educational Services | 1 | $46,887 | — |
| Washington County Judicial Building IL | Public Administration | 0 | — | A |
| WASHINGTON COUNTY LODGING LLC AR | Accommodation & Food Services | 0 | — | A |
| Washington County Regional Medical Center GA | Healthcare & Social Assistance | 0 | — | F |
| Washington County School District NC | Educational Services | 8 | $52,894 | — |
| Washington County School District UT | Educational Services | 1 | $51,768 | — |
| Washington County Schools NC | Educational Services | 1 | $49,200 | — |
| Washington County Sheriffs Office IL | Public Administration | 0 | — | D |
| Washington County Veterinary Hospital RI | Professional & Technical Services | 0 | — | A |
| Washington Crane & Hoist WA | Manufacturing | 0 | — | F |
| Washington Crossing Coucil PA | Other Services | 0 | — | A |
| Washington DC Mutual Trading LLC MD | Transportation & Warehousing | 0 | — | F |
| Washington Demilitarization Co., (URS) OR | — | 0 | — | — |
| Washington Department of Veterans Affairs WA | Healthcare & Social Assistance | 0 | — | F |
| WASHINGTON DUKE INN & GOLF CLUB NC | Accommodation & Food Services | 0 | — | F |
| Washington Electric Coop, Inc. VT | Utilities | 0 | — | F |
| Washington Electric Coop., Inc. OH | Utilities | 0 | — | F |
| Washington Enterprises LLC TN | Transportation & Warehousing | 0 | — | A |
| 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 | — | — |
