American Association for Respiratory C…
Alliance for Acid Rain Control
All Arms Recruit Course
African American Residence Caucus
Air-to-Air Refuelling Controller
Alberta Adolescent Recovery Centre
Alliance of Artists and Recording Comp…
Anglo-American Rules for Cataloging
Arctic and Antarctic Research Center
Arizona Alzheimer's Research Center
Asian American Resource Center
Assassination Archives and Research Ce…
Association for Respiratory Care
Auckland Animal Rights Collective
Auroral Atmospheric Radiance Code
Austin Association of Remodeling Contr…
Australian Applied Research Center
Autism Asperger Resource Center