Crossword clues for the word: ARMCO The word ARMCO has appeared as an answer to at least 5 crossword clues on different crossword puzzles. Crossword clues for ARMCO Showing 1 to 5 of 5 results Clue(s) "AK Steel Holding Corp., formerly" Diversified steelmaker based in Ohio Former steel giant Noted name in steel Steel giant founded in 1899