OAA
OAA refers to the U.S. Older Americans Act, the Open Automotive Alliance, and technical terms like over‑the‑air activation, as well as admission portals and a provincial architects’ association.
Medical
Miscellaneous
Ohio Aviation Association
Oxford Aviation Academy
Office of the Administrative Assistant
Overly aggressive anon
Ohio Assment Achiments
Other Aquatic Animals
Over Analyzers Anonymous
Community
Old Age Assistance
Otaku Anime Academy
Ohio Achievement Assessment
Oakland Activities Association
Obstetric Anaesthetists Association
Organic Acidemia Association
Governmental
Orbiter Access Arm
Orbiter Alternate Airfield
Office of Academic Affiliations
Older Americans Act
Open Automotive Alliance
Academic & Science
Regional
Computing
Business
Other Agency Accounts
Oriental Astronomical Association
Ogden, Allen, and Associates
Ontario Association of Architects
Opticians Association of America