Valero remains top U.S. refiner

San Antonio-based Valero Energy Corp. remains the largest U.S. refiner, with a daily capacity of more than 1.9 million barrels, according to a recent report from the U.S. Energy Information Administration.

Valero has the largest capacity of any refiner in the Gulf Coast region.

Exxon Mobil Corp. is the second largest refiner in the U.S. with a capacity at almost 1.9 million barrels daily.

Findlay, Ohio-based Marathon Petroleum Corp. is the nation’s third-largest refiner, with its purchase of the Texas  City refinery from BP. Marathon has a capacity of 1.7 million barrels daily. (Marathon calls the refinery Galveston Bay because it already owned a smaller Texas City refinery).

Phillips 66 and Motiva are the nation’s fourth and fifth-largest refiners.

The top five companies own 45 percent of total U.S. refining capacity.

There were four refinery sales in 2013, three of them involving San Antonio companies:

  • San Antonio-based Tesoro Corp. became the largest West Coast refiner with its purchase of the Carson, Calif. plant from BP.
  • San Antonio’s Nustar Refining sold its local plant to Calumet Specialty Products Partners.
  • San Antonio-based Tesoro sold its Ewa Beach, Hawaii, refinery to Par Petroleum Corp.