Answer | Crossword Clue |
---|---|
AMOCO | Petroleum giant |
HESS | Petroleum giant |
HESS | Amerada ... (petroleum giant) |
AMOCO | Former petroleum giant |
ARCO | L.A.-based petroleum giant |
UNOCAL | L.A.-based petroleum giant |
UNOCAL | Petroleum giant that merged with Chevron in 2005 |