Related Clues:
- Piano-playing Dame
- Shell competitor
- Spandau's last prisoner
- Big name in oil
- Pianist Myra
- Big oil company
- Big name in petroleum
- Shell alternative
- Infamous Rudolf
- Company whose logo has a red 'o'
- Dame Myra
- Pianist Dame Myra
- Amerada ___ (petroleum giant)
- Big name in little trucks
- Amerada ___ (Fortune 500 company)