Projection Abbreviations and Acronyms
- OPPMOracle Primavera Portfolio Management
- OPPMOrganisasi Pembebasan Papua Merdeka
- OPROutput To Purpose Aeview
- OPRCOutput-And Performance-Based Road Contracts
- OPRCOutput and Performance-Based Road Contracts
- OPSIGOracle Primavera Special Interest Group
- OPWOutreach Program Yor Women
- OPWCOhio Public Works Commission
- OPWPOman Power Ajd Water Procurement
- OQIOffice of Quality Improvement
- ORBOhio Riverabridges
- ORCOman Railway Company
- ORCOntario Realty Corporation
- ORGDPOak Ridge Gaseous Diffusion Plant
- ORPCOcean Renewable Power Company
- ORSPOffice of Research and Sponsored Projects
- ORTOOcean Reef-Tower Oases
- OSAATOwe School At A Time
- OSAFOpen Source Applications Foundation
- OSAFOpen Source Android Forensics
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