Abbreviations beginning with o

OPSTOSSTMM (Open Source Security Testing Methodology Manual) Professional Security Tester
Miscellaneous » Awards & Medals

OPSTOSSTMM Professional Security Tester
Miscellaneous » Unclassified

OPSTOcean Pines Swim Team
Sports » Swimming

OPSTATOperational Status
Governmental

OPSTCOntario Production Services Tax Credit
Business » Accounting

OPSTCOntario Production Services Tax Credit
Governmental » State & Local

OPSTFOntario Public School Teachers' Federation (Canada)
Miscellaneous

OPSUOklahoma Panhandle State University
Academic & Science » Universities

OPSUOil Pressure Sending Unit (car engine part)
Business

OPSUOnboard Power Supply Unit (nuclear weapons)
Community

OPSUOperational Process and Support Unit (UK)
Governmental

OPSUOklahoma Panhandle State University (Goodwell, Oklahoma)
Miscellaneous

OPSUOlympic Peninsula Sports Union (Bremerton, WA)
Miscellaneous

OPSUOlympic Programme Support Unit (UK)
Miscellaneous

OPSUGOmaha Power Shell Users Group
Computing » IT

OPSUITOperational Suitability
Governmental

OPSUMOperational Summary
Governmental