| Answer | Crossword Clue |
|---|---|
| KOCH | ... Industries (oil and gas giant) |
| HESS | Oil and gas giant |
| OXY | International oil and gas giant, informally |
| KOCH | ... Industries (oil giant) |
| FUELS | Gas and oil. |
| FUELS | Gas and oil |
| FUELS | Coal, gas and oil |
| TEXACO | Oil and gas company |
| GAUGES | Oil and gas, for two |
| HESS | Global oil and gas company |
| ALLFUELSDAY | When coal, gas and oil are delivered? |
