Last seen in:
- Wall Street Journal - Aug 12 2021 - Reverse Engineering
- Newsday.com - Oct 12 2019
- New York Times - Sep 23 2017
- New York Times - Jul 24 2011
- New York Times - Oct 23 2010
- Universal - May 21 2010
- New York Times - Mar 31 2010
- L.A. Times Daily - Jan 10 2010
- New York Times - Nov 28 2009
- New York Times - Oct 10 2009
Related Clues:
- Acronym formed from 'Standard Oil'
- 'Giovanna d'___' (Verdi opera)
- Piece of pipe
- Bygone sign on U.S. highways
- 1999 British Petroleum acquisition
- Pianist Dame Myra
- Old Phillips 66 rival
- Petrol station choice
- Exxon alternative
- Petrol seller
- Renamed oil company
- Company that merged with BP, 1998
- Gulf rival
- Old name in oil
- Funny bone's locale