Related Clues:
- Exxon merged with it
- Name on a green truck
- Petroleum company
- Gas brand with a red "o" in its logo
- Name in gas stations and toy trucks
- Citgo competitor
- Oil company with annual toy trucks
- War criminal Rudolph
- Company that uses Pegasus as a symbol
- Pegasus appeared in this company's logo
- Physics Nobelist Victor who discovered cosmic radiation
- Nazi war criminal
- Fortune 500 oil company
- Oil truck name
- Gas company