Abbreviations beginning with O

ORCAOnline Representations and Certifications Application
Governmental » US Government

ORCAOperational Requirement-Based Casualty Assessment
Governmental

ORCAOptical Relay Communications Architecture (US National Reconnaissance Office; now defunct)
Governmental

ORCAOregon Caves National Monument (US National Park Service)
Governmental

ORCAOrganized Retail Crime Association
Governmental » Law & Legal

ORCAOtonabee Region Conservation Authority
Governmental » Environmental

ORCAOverarching Range Cooperative Agreement
Governmental

ORCAOncology Resource Compliance Application
Medical » Oncology

ORCAOnline Record Of Clinical Activity
Medical » Clinical Medicine

ORCAOatmeal Raisin Cookie Ale
Miscellaneous » Unclassified

ORCAObjects Relationships CTAs and Attributes
Miscellaneous » Unclassified

ORCAOcean Racing Catamaran Association
Miscellaneous

ORCAOffice of Rural Community Affairs
Miscellaneous » Unclassified

ORCAOffice on Returning Citizen Affairs
Miscellaneous » Unclassified

ORCAOhio Romanian Children's Association
Miscellaneous

ORCAOld Reel Collectors Association (fishing reel collectors)
Miscellaneous

ORCAOne Regional Card for All
Miscellaneous » Unclassified

ORCAOne Regional Card for All (public transit, Puget Sound, Washington)
Miscellaneous

ORCAOnline Record Of Clinical Activity
Miscellaneous » Unclassified

ORCAOntario Recreational Canoeing Association (now Ontario Recreational Canoeing and Kayaking Association; Canada)
Miscellaneous