| Answer | Crossword Clue |
|---|---|
| OPEC | Barrel producer's grp. |
| OAKS | Barrel and mast producers |
| OPEC | Oil producer's grp. |
| OPEC | Oil producers' grp. |
| OPEC | Grp. of oil producers |
| OPEC | Barrel-producing grp. |
| OPEC | Grp. that has energy users over a barrel? |
| OPEC | Grp. that has the world over a barrel? |
