| Answer | Crossword Clue |
|---|---|
| OPEC | International oil cartel |
| OPEC | International cartel |
| OPEC | Oil cartel |
| OPEC | Crude-oil cartel |
| OPEC | Oil cartel briefly |
| OPEC | Oil cartel letters |
| OPEC | Oil-rich cartel |
| OPEC | Oil-cartel letters |
| OPEC | Oil-cartel acronym |
| OPEC | Oil cartel (abbr.) |
| OPEC | Oil cartel initials |
| OPEC | Oil cartel acronym |
| OPEC | Big oil cartel (abbr.) |
| OPEC | Oil cartel, for short |
| OPEC | Oil cartel since 1960 |
| OPEC | 11-mem. oil cartel |
| OPEC | Oil-selling cartel (Abbr.) |
| OPEC | Oil cartel for short |
| OPEC | Crude-oil cartel, briefly |
| OPEC | Oil cartel based in Vienna |
| OPEC | Acronym for an oil cartel |
| OPEC | Eastern oil cartel, for short |
