Initialism of American Association of Agricultural College Editors.

Initialism of American Association of Applied Nutrition.

Initialism of American Association of Aircraft Manufacturers. / Initialism of Association for the Advancement of Automotive Medicine.

Initialism of American Atheists Addiction Recovery Groups.

(historical) Initialism of American Association for the Advancement of Slavic Studies, now known as the Association for Slavic, East European, and Eurasian Studies

Initialism of Association of Administrative Assistants and Secretaries to United States Senators.

plural of AAAOC

Initialism of Antiaircraft Artillery Operations Center.

Initialism of American Association of Aerosol Research. / Initialism of Association for the Advancement of Aging Research.

Initialism of Association for the Advancement of Agricultural Sciences in Africa. / Initialism of Australian and Allied All Services Association.