Oil cartel with 15 member nations (Abbr.)

Let's find possible answers to "Oil cartel with 15 member nations (Abbr.)" crossword clue. First of all, we will look for a few extra hints for this entry: Oil cartel with 15 member nations (Abbr.). Finally, we will solve this crossword puzzle clue and get the correct word. We have 1 possible solution for this clue in our database.