| Subject | English | Thesaurus |
| mil., abbr. | Defense Facilities Directorate for Washington Headquarters Services | DFD-WHS |
| law, abbr. | Municipal Research & Services Center of Washington | MRSC |
| ed., abbr. | Washington County Children's Program | WCCP |
| libr., abbr. | Washington County Cooperative Library Services | WCCLS |
| abbr. | Washington County Mental Health Services | WCMHS |
| ed., abbr. | Washington County School Program | WCSP |
| tradem., abbr. | Washington Gas Energy Services, Inc. | WGES |
| tradem., abbr. | Washington Government Relations Services | WGRS |
| mil., abbr. | Washington Headquarters Services | WHS |
| NGO, abbr. | Washington Heights Community Services | WHCS |
| USA | Washington Leadership Program | WLP |
| law, abbr. | Washington Monitored Treatment Program | WMTP |
| transp., abbr. | Washington Motorcycle Safety Program | WMSP |
| tradem., abbr. | Washington National Tax Services | WNTS |
| USA | Washington Program in National Issues | WPNI |
| tradem., abbr. | Washington Quality Programs Company | WQPC |
| univer., abbr. | Washington Sea Grant Program | WSGP |
| telecom., abbr. | Washington Telecommunications Services and Operations | WTSO |
