Martinez Refinery

Martinez Refinery from an aerial perspective with mountains in the background



Our Martinez refinery is in Martinez, California, and has a crude oil capacity of 161,000 barrels per calendar day (bpcd). 

Using crude oils from California and other domestic and foreign sources, the refinery produces cleaner-burning California Air Resources Board (CARB) gasoline and CARB diesel fuel, as well as conventional gasoline, distillates, petroleum coke, propane, heavy fuel oil and refinery-grade propylene. Products are distributed via truck, rail, pipeline and ship.

Health, Safety and Environment

At MPC, the health and safety of our employees is of paramount concern. We take steps to ensure an accident-free, incident-free workplace no matter where it is. Due to that commitment, we've implemented safety measures and been recognized as a leader in safety.

At the same time, we are committed to minimizing our impact on the environment. As such, we are involved in multiple programs, support several organizations and implement various initiatives that aim to protect our environment and the local communities in which we operate.

Below is a list of accolades and accomplishments that we've earned at our Martinez refinery.

  • Works with state and federal agencies to protect surrounding habitat
  • Stewards natural habitats including the 760-acre Point Edith Wildlife Area
  • Focuses on process safety integration
  • Promotes recycling and air emissions reductions at the refinery
  • Lowered Occupational Safety and Health Administration recordable rates through joint union/management committee emphasis on continual improvement


At Marathon Petroleum, we know that community is important. It's why we do what we do every day. So, aside from fueling the Martinez area, we also make it a priority to be actively involved in efforts that have a positive impact on the community. Listed below are some of the ways that we do just that.

  • Provided $1.24 million in 2018 in charitable giving to non-profit organizations in Northern California, including the Mt. Diablo Unified School District, Contra Costa County Fire Protection District, The Gardens at Heather Farm, Food Bank of Contra Costa and Solano, Diablo Valley Veterans Foundation, the Marine Mammal Center and more
  • Named 33rd most philanthropic company in the Bay Area by San Francisco Business Times
  • Donates use of 16 baseball diamonds and two soccer fields on refinery property to support local youth sports leagues


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