| Answer | Crossword Clue |
|---|---|
| BARON | Oil industry honcho |
| CZAR | Industry honcho |
| BARONS | Oil industry leaders |
| BOLO | Oil industry tie? |
| PETRO | Oil industry prefix |
| PETRO | Of the oil industry |
| PETRO | Oil industry, in Canada |
| ABERDEEN | North Sea oil industry center |
| SYRIANA | Clooney-Damon film about the oil industry |
| OLEAN | Oil industry city in N. Y. |
