American Bible Society; ABS
Proceedings of the National Academy of Sciences of the United States of America; PNAS
American Association for the Advancement of Science; AAAS
American National Standards Institute; ANSI
American depositary receipt; ADR
Department of Homeland Security; DHS
United States Military Government of the Ryukyu Islands (1945-1950)
United States Civil Administration of the Ryukyu Islands (1950-1972); USCAR
Association of American Medical Colleges; AAMC
Association of American Medical Colleges; AAMC
MPAA; American Film Institute; AFI
American College of Nutrition; ACN
American Chemistry Council; ACC
Planned Parenthood Federation of America
American Accounting Association
American College of Surgeons; ACS
American Academy of Ophthalmology
American Meteorological Society; AMS
American Thoracic Society; ATS
American Bankers Association; ABA
American Economics Association
American Institute of Architecture
Pharmaceutical Research and Manufacturers of America; PhRMA
American Public Health Association
American Association of Public Accountants
American Society of Hypertension; ASH
US National Library of Medicine; NLM
American Society for Cell Biology; ASCB
American Society for Testing Materials; ASTM
American College of Dentists; ACD
American Automobile Association
American Civil Liberties Union; ACLU
American Civil Liberties Union; ACLU
American Academy of Pediatrics; AAP
American Psychological Association
American Academy of Neurology
American Association for Artificial Intelligence
American Society of Nephrology; ASN
American Library Association
American Water Works Association; AWWA
American Political Science Association
American Academy of Orthopaedic Surgeons; AAOS
Pharmaceutical Manufacturers Association (pn)
American Petroleum Institute; API
National Futures Association
Geological Society of America; GSA
American Geological Institute
US Geological Survey; USGS
American Geographical Society; AGS
American Arbitration Association; AAA
Association of American Railroads; AAR
American Society of Civil Engineers; ASCE
Humane Society of the United States
American Society for the Prevention of Cruelty to Animals; ASPCA
Insurance Institute for Highway Safety
American Society for Microbiology
American Hospital Association; AHA
American College of Pathologists
American Institute of Physics; AIP
American Bar Association; ABA
American College of Radiation Oncology; ACRO
US Pharmacopeial Convention
Export-Import Bank of the United States; EIB
U.S. postal service; UNITED STATES POST OFFICE
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