DPMA
Deutsches Patent- und Markenamt, München
A
Advanced, American, Amplitude, Application, Architecture, Area, Association
AAAAAA
Association for the Abolition of Abused Abbreviations and Asinine Acronyms
AAAI
American Association for Artificial Intelligence
AAAM
Association for the Advancement of Automotive Medicine
AACE
Association for the Advancement of Computing in Education