What does OIOS stand for?

What does OIOS mean? This page is about the various possible meanings of the acronym, abbreviation, shorthand or slang term: OIOS.

We've found a total of 1 definition for OIOS:

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Office of Internal Oversight Services

Governmental » United Nations

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"OIOS." Abbreviations.com. STANDS4 LLC, 2015. Web. 27 Nov. 2015. <http://www.abbreviations.com/OIOS>.