GCAA
GCAA is an acronym used by several regional athletic associations and a national golf‑coaching organization, linking it primarily to sports administration.
Miscellaneous
General Civil Aviation Authority
Guyana Civil Aviation Authority
Global Competence Aptitude Assessment
Gambia Civil Aviation Authority
Greater Cleveland Auto Auction
Ghana Civil Aviation Authority
Community
Georgia Christian Athletic Association
Georgia Community Action Association
Georgia Construction Aggregate Association
Greater Charlotte Apartment Association