Related Clues:
- Houston-based oil company
- Company with toy trucks
- Name on a green truck
- Petroleum company
- Name in gas stations and toy trucks
- Citgo competitor
- Oil company with annual toy trucks
- Company with a 'trimark' logo
- War criminal Rudolph
- Physics Nobelist Victor who discovered cosmic radiation
- Nazi war criminal
- Fortune 500 oil company
- Oil truck name
- Gas company
- Myra the pianist