Related Clues:
- Oil company that merged with BP
- British Petroleum merger partner
- It began as Standard Oil of Indiana
- Gas company that had a torch in its logo
- Oil patch acronym
- First off-shore driller, in 1947
- BP rival
- Hugo Chavez's favorite gas station
- Big name in petroleum, once
- Sunoco rival
- BP merger mate
- Oil company with a 'trimark' logo
- Gas company formerly associated with 7-Eleven stores
- Big name in gas
- Amoco competitor