Crossword clues for the word: USIS The word USIS has appeared as an answer to at least 9 crossword clues on different crossword puzzles. Crossword clues for USIS Showing 1 to 9 of 9 results Clue(s) Former D.C. agency Govt. information arm abroad Govt. service Govt. service initials. Our information service. Outgrowth of O. W. I. Overseas cultural org. Relative of V.O.A. U.S. agency: Abbr.