What does ORCA stand for?

Ocean Resource Coordination and Assessment - National Oceanic and Atmospheric Administration

Ocean Resources Conservation Association - British

Official Receiver under the Companies Act (SAUS)

Oldtime Radio-Show Collector's Association (EA)

Online Resource Control Aid - Computer science (HGAA)

Ontario Royal Commission on Asbestos (SAUS)

Operations Requirements Continuity Assessment (SAUS)

Orcas Island Freight Lines - Common carrier symbol

Oregon Caves National Monument - Cave Junction, OR - National Park Service designator (NPSD)

Organisme Europeen de Recherche sur la Carie - European Organization for Caries Research (EAIO)

Organization of Regulatory and Clinical Associates - Association (EA)

Organized Resistance to Capture in Alaska - Defunct (EA)

Regional Office for Central America (SAUS)