| Subject | English | Thesaurus |
| abbr. | a United States scholarship program in the area of public health. It is sponsored by the Robert Wood Johnson foundation and administrated by the College Board not-for-profit examination board in the United States | Young Epidemiological Scholars (YES) (Alex Lilo) |
| immunol., abbr. | Area Development Program | ADP |
| mil., abbr. | Area Joint Blood Program Office | AJBPO |
| tradem., abbr. | Bay Area Laboratory Co Op | BALCO |
| avia., Canada | CMNPS transition area | The area within the Canadian Domestic Airspace (CDA) extending upwards from FL 280, underlying the designated CMNPS airspace |
| IT, abbr. | Custom Local-Area Signaling Services | CLASS |
| abbr., IT | Custom Local Area Signaling Services | CLASS |
| telecom., abbr. | Custom Local Area Signaling Services | CLASS (Bellcore) |
| mil., abbr. | Defense Advanced Language and Area Studies Program | DALASP |
| NGO, abbr. | Detroit Area Pre College Engineering Program | DAPCEP |
| mil., abbr. | Far East and Pacific Area | FEPA |
| abbr., scottish | Force Anti-Air Co-ordination Area | FAACA |
| mil., abbr. | Foreign Area Specialist Training Program | FASTP |
| law, abbr. | High Intensity Drug Trafficking Area | HIDTA |
| abbr., avia. | High Intensity Radio Transmission Area | HIRTA (Interex) |
| radio, amer., abbr. | Hometown Area Recruiting Program | HARP |
| abbr. | Local area network Control Program | LCP (Vosoni) |
| telecom., abbr. | Local Area Signaling Services | LASS |
| relig., abbr. | Lutheran Social Services of the National Capital Area | LSS-NCA |
| abbr., scottish | Military Area Services | MAS |
| abbr., astronaut. | Oceans and Coastal Areas Programme Activity Centre | OCA/PAC (UNEP) |
| abbr. | Program Area Manager | PAM (Alex Lilo) |
| progr., abbr. | Program Global Area | PGA |
| IT, abbr. | Program Memory Area | PMA (CD) |
| abbr., post | Technology Program Area Committee | TPAC (directs technology planning at corporate level) |
| IT, abbr. | Transient Program Area | TPA (DOS) |
| avia., Canada | transition area | An area established when it is deemed advantageous or necessary to provide additional controlled airspace for the containment of IFR operations |
| abbr. | U.S. area phone code Canada/Services | 600 |
| abbr. | U.S. area phone code Directory Services | 411 |
| abbr. | U.S. area phone code Emergency Services | 911 |
| abbr. | U.S. area phone code Government Emergency Telecom Service | 710 |
| abbr. | U.S. area phone code Repair Service | 611 |
| abbr. | U.S. area phone code Service access code | 200 |
| theatre., abbr. | Washington Area Theatre Community Honors | WATCH |
| comp., net., abbr. | Wide Area File Services | WAFS |
| abbr., file.ext. | Wide-Area Network Interface Co-Processor | WNIC |
| ecol., abbr. | World Ecological Areas Program | WEAP |
| water.suppl., abbr. | World Ecological Areas Programme | WEAP |
