It merged with Mobil
Else clues• ___ Valdez
• Big name in oil
• BP competitor
• Brand that can be bought using Speedpass
• Chevron alternative
• Company that merged with Mobil
• Conoco rival
• Corporate giant based in Irving, Tex.
• Corporation that merged with Mobil in 1999
• Esso, today
• Gas giant
• Half of a giant 1999 merger
• Infamous spiller
• Mobil merger partner
• Name atop some U.S. gas stations
• Pump name
• Red gas letters
• Replacer of the Humble brand in the early 1970s
• Shell alternative
• Shell rival
• Speedpass brand
• Speedpass company
• Speedpass-accepting gas company
• Sunoco alternative
• Texaco competitor
• Word with an interlocking set of double letters