Us Government Abbreviations and Acronyms
- OSFOffice of Space Flight
- OSGOperational Security Guidelines
- OSHOffice of Supportive Housing
- OSHAOccupational Safety & Health Administration
- OSHRCOccupational Safety and Health Review Commission
- OSMOffice of Surface Mining
- OSPOffice of Special Programs
- OSPLOpen Space and Park Land
- OSRAOcean Shipping Reform Act
- OSRDOffice of Scientific Research and Development
- OSTIOffice of Scientific and Technical Information (DOE)
- OSTPOffice of Science and Technology Policy
- OSWEROffice of Solid Waste and Emergency Response
- OTOfficial Translation
- OTAOffice of Technology Assessment (U.S.; abolished by Congress, Fall 1995)
- OTDOperational Test Director
- OTFOnline Tax Filing
- OTGOn The Go
- OTHOff The Hook
- OTIOffice of Technology Integration
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