Related Clues:
- Sunoco rival
- Bowed, to a violist
- Sponsor of early radio's 'Five Star Theater'
- Western U.S. gas giant
- Brand name that sounds like two letters of the alphabet
- West Coast gas tank filler
- Mobil relative
- Rival of Phillips 66
- Brand name that's coincidentally Italian for 'it'
- 'Happy Motoring' brand
- It merged with BP Amoco
- Sacramento Kings' __ Arena
- With a bow, musically
- Standard Oil, once
- With the bow, to Isaac Stern