Abbreviations beginning with o

OPERAOut-Performance Equity Redeemable in Any Asset (convertible bond)
Business

OPERAOpen Process Engine For Reliable Activities
Computing » Software

OPERAOffers and Prospectuses Electronic Repository and Access (Singapore)
Governmental

OPERAOfficer Professional Effectiveness Review for the Army (Australian Army)
Governmental

OPERAOffice of Program Evaluation & Risk Analysis
Miscellaneous

OPERAOpen PLC European Research Alliance
Miscellaneous

OPERAOption Portfolio for Emissions Reduction Assessment
Miscellaneous » Unclassified

OPERAOut of Pile Expulsion and Reentry Apparatus
Miscellaneous » Unclassified

OPERBOntario Parole and Earned Release Board (Canada)
Governmental

OPERCOff-Highway Plant and Equipment Research Centre (Loughborough University, UK)
Miscellaneous

OPERCOhio Prevention and Education Resource Center (University of Cincinnati; Cincinnati, OH)
Miscellaneous

OPERFOregon Public Employees Retirement Fund
Miscellaneous