According to the EIA, this year there are 139 operating refineries in the US (plus 3 idle).

The list below presents the top 5 US refiners ranked by the EIA’s capacity estimates.

Together, these five companies own 45% of total US refining capacity.


1. Valero Energy Corporation

Valero Energy retains the top spot in 2014. The US’s largest refiner has a total ACDU capacity of over 1.9 million barrels per calendar day. Valero and its subsidiaries employ approximately 10,000 people.

2. Exxon Mobil Corporation

Exxon Mobil Corporation remains in second place this year. The large integrated company has capacity approaching 1.9 million bbl/cd.

3. Marathon Petroleum Corporation

Marathon’s acquistion of the Texas City refinery from BP catapults it into third place in the US refinery ranks. Marathon now has capacity of 1.7 million bbl/cd.

4. Phillips 66

Marathon’s move bumps Phillips 66 down to fourth place. Phillips 66 has refining operations in all five U.S. Petroleum Administration for Defense Districts (PADDs), where the company benefits from access to cost-advantaged crude and lower natural gas prices.

5. Motiva

Motiva holds on to the fifth spot. Shell and Saudi Aramco each own 50 percent of Motiva. Motiva owns three refineries – located in Covent and Norco, Louisiana and Port Arthur, Texas. Together, these facilities have a combined refining capacity of over 1 million bbl/cd.


Source: EIA