What does USIR stand for?

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

We've found a total of 2 definitions for USIR:

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United States Inter-Regional Championships

Community » Sports

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Governmental » US Government

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"USIR." Abbreviations.com. STANDS4 LLC, 2015. Web. 4 Mar. 2015. <http://www.abbreviations.com/USIR>.

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