EXXON

Corporate giant based in Irving, Tex.

• ___ Valdez

• Big name in oil

• BP competitor

• Brand that can be bought using Speedpass

• Chevron alternative

• Company that merged with Mobil

• Conoco rival

• Corporation that merged with Mobil in 1999

• Esso, today

• Gas giant

• Half of a giant 1999 merger

• Infamous spiller

• It merged with Mobil

• 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