| Subject | English | Thesaurus |
| univer., abbr. | African American Studies And Research Program | AASRP |
| univer., abbr. | African American Studies Research Program | AASRP |
| energ.ind., abbr. | American Association for Budget and Program Analysis | AABA |
| abbr., insur. | American Association of Insurance Services | AAIS |
| tech., abbr. | American Boiling Water Reactor Program | ABWRP |
| abbr. | American, British, Canadian, Australian Standardization Loan Programme | ABCA (Американская, британская, канадская, австралийская программа займов на стандартизацию Углов) |
| tech., abbr. | American-British-Canadian Army Standardization Program | ABC-ASP |
| tech., abbr. | American-British-Canadian Standardization Program | ABCSP |
| Nasdaq, abbr. | American Business Financial Services, Inc. | ABFI |
| abbr., pipes., tradem. | American Cast Iron Pipe Co. | Acipco (США) |
| st.exch., abbr. | American Computerized Commodity Exchange System And Services | ACCESS |
| tradem., abbr. | American Consolidated Services | ACS |
| univer., abbr. | American Culture And Language Program | ACLP |
| media., abbr. | American Forces Television Services | AFTS |
| NGO, abbr. | American Friends Immigrant Services | AFIS |
| NGO, abbr. | American Indian Services | AIS |
| univer., abbr. | American Indian Services Scholarship | AISS |
| abbr. | American Institute of Maritime Services | AIMS |
| tradem., abbr. | American Insurance Services Group Inc | AISG |
| Nasdaq, abbr. | American International Group, Inc. Options | WAPAT |
| Nasdaq, abbr. | American International Group, Inc. Options | WAPAL |
| Nasdaq, abbr. | American International Group, Inc. Options | WAPAR |
| Nasdaq, abbr. | American International Group, Inc. Options | WAPAN |
| st.exch., abbr. | American International Group, Inc. options | ZPW |
| abbr. | American International Insurance Co. | AII |
| railw., abbr. | American International Rail Services LLC | AIRX |
| tradem., abbr. | American Internet Services | AIS |
| abbr., USA | American Petroleum Institute Quality Programs Department | APIQPD (igisheva) |
| univer., abbr. | American Russian Traineeship Exchange Program | ARTEP |
| AMEX., abbr. | American Shared Hospital Services | AMS |
| tech., abbr. | American Society of Information Services | ASIS |
| tech., abbr. | American Steel Wire Co's gage | ASW ga |
| st.exch., abbr. | American Stock Exchange Options | AODB |
| abbr., astronaut. | American Telephone & Telegraph Co. | AT&T |
| st.exch., abbr. | American Tower Corporation options | VXK |
| abbr., scottish | Arab American Vehicles Co. | AAV (Egypt) |
| law, abbr. | Asian American Recovery Services, Inc. | AARS |
| univer., abbr. | Asian American Studies Program | AASP |
| NGO, abbr. | Association of American Indian Services | AAIS |
| abbr., sec.sys. | Central American Probabilistic Risk Assessment program | CAPRA (США MichaelBurov) |
| USA | German American Partnership Program | GAPP |
| energ.ind., abbr. | Japanese-American Shielding Program of Experimental Research | JASPES |
| abbr. | North American Automated Systems co. | NAAS |
| rude, abbr. | Ridiculously Oafish American Rhino | ROAR |
| interntl.trade., abbr. | South American Trade Services | SATS |
