| Acronym | Terms |
| A2LA |
American Association for Laboratory Accreditation
|
| AA |
Aluminum Association
|
| AAA |
American Automobile Association
|
| AAAA |
American Association of Advertising Agencies
|
| AABB |
American Association of Blood Banks
|
| AABC |
Associated Air Balance Council
|
| AACC |
American Association of Cereal Chemists
|
| AACP |
Association of Asbestos Cement Pipe Producers
|
| AAFCO |
Association of American Feed Control Officials
|
| AAFCS |
The American Association of Family & Consumer Sciences
|
| AAHPERD |
American Alliance for Health, Physical Education,
|
| AAI |
Alliance of American Insurers
|
| AALA |
American Association for Laboratory Accreditation
|
| AAMA |
American Architectural Manufacturers Association
|
| AAMI |
Association for the Advancement of Medical Instrumentation
|
| AAMVA |
American Association of Motor Vehicle Adminstrator
|
| AAN |
American Association of Nurserymen
|
| AAP |
Association of American Publishers
|
| AAPCC |
American Association of Poison Control Centers
|
| AAPFCO |
Association of American Plant Food Control Officia
|
| AAPSC |
American Association of Psychiatric Services for C
|
| AAR |
Association of American Railroads
|
| AARC |
American Association for Respiratory Care
|
| AASHTO |
American Association of State Highway and Transpor
|
| AATCC |
American Association of Textile Chemists and Colorists
|
| AB |
Accreditation Body
|
| ABA |
American Bankers Association
|
| ABBS |
Antigua and Barbuda, National Body of
|
| ABMA |
American Bearing Manufacturers Association
|
| ABNT |
Brazil, National Body of
|
| ABS |
American Bureau of Shipping
|
| ABYC |
American Boat and Yacht Council
|
| ACA |
American Chain Association
|
| ACAC |
ANSI-CFP Personnel Certification Accreditation Committee
|
| ACARD |
Advisory Council for Applied Research and Developm
|
| ACBG |
Automotive Consumer Business Group
|
| ACC |
American Chemistry Council
|
| ACCA |
Air-Conditioning Contractors of America
|
| ACCT |
Association for Challenge Course Technology
|
| ACDE |
Association of Commercial Diving Educators
|
| ACEC |
(IEC’s) Advisory Committee on Electromagnetic Compatibility
|
| ACET |
(IEC’s) Advisory Committee on Electronic and Telecommunications
|
| ACGIH |
American Conference of Governmental Industrial Hygienists
|
| ACI International |
ACI (American Concrete Institute) International
|
| ACIL |
American Council of Independent Laboratories
|
| ACLASS |
Assured Calibration and Laboratory Accreditation Select Service
|
| ACM |
Association for Computing Machinery
|
| ACMI |
Art and Creative Materials Institute, Inc.
|
| ACORD |
Association for |