Related Clues:
- Shell competitor
- Classic gas brand
- Big name in petroleum
- Shell alternative
- 1999 British Petroleum acquisition
- Exxon alternative
- Company that merged with BP, 1998
- Gulf rival
- Rival of 43-Across
- Gulf competitor
- Company that merged with BP in 1998
- BP acquisition of 1998
- Exxon rival
- Company that merged with BP
- Gas company bought by BP