CSIS is an abbreviation for:

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Command Support Information Systems

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Definition

What does CSIS mean?

Canadian Security Intelligence Service, CSIS(noun)
Canada's main foreign intelligence agency that gathers and analyzes information to provide security intelligence for the Canadian government

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"CSIS." Abbreviations.com. STANDS4 LLC, 2013. Web. 19 May 2013. <http://www.abbreviations.com/term/358231>.


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