| Answer | Crossword Clue |
|---|---|
| AMOCO | It merged with British Petroleum in '98 |
| AMOCO | It merged with British Petroleum in 1998 |
| AMOCO | It merged with British Petroleum |
| SOHIO | British Petroleum took majority ownership of it in 1978 |
| AOL | Co. that merged with Netscape in '98 |
| UNOCAL | Petroleum giant that merged with Chevron in 2005 |
