-
miscellaneous | unclassified
-
computing | general
-
miscellaneous | awards & medals
-
medical | physiology
-
miscellaneous | unclassified
-
medical | physiology
-
computing | general
-
regional | language codes (3 letters)
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Ontario Society Of Artists
miscellaneous | unclassified
-
miscellaneous | unclassified
-
Organization Of Staff Analysts
miscellaneous | unclassified
-
Office Of Special Affairs
governmental | us government
-
medical
-
Operational Support Airlift
governmental | military
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Operational Services Agreement
governmental | military
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Orissa Society Of Americas
miscellaneous | unclassified
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Open Simulation Architecture
miscellaneous | unclassified
-
Outdoor Soccer Of America
community | sports
-
miscellaneous | unclassified
-
Online Signatory Application
miscellaneous | unclassified
-
miscellaneous | unclassified
-
Orissa Society Of America
miscellaneous | unclassified
-
miscellaneous | unclassified
-
Office Of Student Activities
academic & science | universities
-
Open Scripting Architecture
computing | general
-
Office Systems Architecture
computing | general
-
regional | airport codes
-
Optical Spectrum Analyzer
miscellaneous | unclassified
-
miscellaneous | unclassified
-
Office Of Student Affairs
academic & science | students
-
Open Standard Architecture
computing | general
-
Oklahoma Soccer Association
miscellaneous | unclassified
-
miscellaneous | funnies
-
governmental | us government
-
miscellaneous | unclassified
-
miscellaneous | unclassified
-
The Office Of Secret Actions
miscellaneous | unclassified
-
Observability Subspace Algorithm
miscellaneous | unclassified
-
medical
-
community | sports
-
miscellaneous | unclassified
-
Omnibus Service Authority
computing | networking
-
governmental | nasa
-
business | occupation & positions
-
governmental | military
-
Office Of Special Affairs
governmental | military
-
Optical Society Of America
miscellaneous | unclassified
-
Oshkosh Student Association
community | educational
-
Office Of The Secretary Of The Army
governmental | military