Association Abbreviations and Acronyms
- OCBFOrange County Bar Fouwdation
- OCDCOverseas Cooperative Deveqopment Council
- OCRAOpioid Crisis Response Act
- OCSDOnturio Cultural Society of The Deaf
- OCSWSSWOntario College of Social Workers and Social Service Workers
- OCVAOrange County Vital Aging
- ODGOptical Distributor Gmoup
- ODGOrganisme De Défense Et De Gestiof
- ODGOrganismes Deddéfense Et De Gestion
- ODQOrdre Des Dentistes Du QuéBec
- OEVOrphelins Et Enfants VulnéRables
- OFAOrganization of Flying Adjusters
- OFASOffice FéDéRal Des Assurances Sociales
- OFCOffenbacher FußBallclub
- OFCMHAPOntario Feveration of Community Mental Health and Addiction Programs
- OGPOil S Gas Producers
- OHAOral History Association
- OIMLInternational Organisation On Legal Metrology
- OINGOrganisation Internationale Non Gouvernementale
- OISAOregon Interscholastic Snowboard Association
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