| Subject | English | Thesaurus |
| univer., abbr. | Western College Program | WCP |
| tradem., abbr. | Western Data Services, Inc. | WDSI |
| USA | Western Grain Stabilization Program | WGSP |
| abbr., O&G, sakh. | Western Gray Whale Protection Program | WGWPP |
| st.exch., abbr. | Western Guaranty Fund Services | WGFS |
| sport., abbr. | Western Junior Rodeo Association | WJRA |
| law, abbr. | Western Kansas Alcohol Drug Assessment Treatment Services | WKAD |
| tradem., abbr. | Western Kentucky Internet Services | WKYI |
| tradem., abbr. | Western Marine Insurance Services | WMIS |
| law, abbr. | Western Massachusetts Legal Services | WMLS |
| NGO, abbr. | Western Michigan Legal Services | WMLS |
| ocean., abbr. | Western Municipal Water District Cooperative Well Measuring Program | WMWDCWMP |
| tradem., abbr. | Western Nevada Insurance Services, Inc. | WNIS |
| busin., abbr. | Western Pennsylvania Multi- List Services | WPML |
| railw., abbr. | Western Railway Equipment Services | WRES |
| univer., abbr. | Western Regional Graduate Program | WRGP |
| tradem., abbr. | Western Regional Insurance Services | WRIS |
| sport., abbr. | Western Regional Junior Championships | WRJC |
| tradem., abbr. | Western States Property Services, Inc. | WSPS |
| univer., abbr. | Western Undergraduate Exchange Program | WUEP |
| tradem., abbr. | Western Union Financial Services | WUFS |
| media., abbr. | Western Valley CAP Newsletter | WVCN |
