The Los Angeles Refinery includes two linked services, 5 miles apart, in Carson and Wilmington, California, about 15 miles southeast of Los Angeles International Airport. Carson processes crude oil, and Wilmington upgrades the intermediate merchandise to finished products.

The refinery processes primarily heavy, high-sulfur crude oil. It receives domestic crude oil by pipeline from California and international and domestic crude oils by tanker through a 3rd-social gathering terminal in the Port of Long Seashore. The refinery produces a high percentage of gasoline, diesel and aviation fuels. Different merchandise embody fuel-grade petroleum coke.

The facilities have fluid catalytic cracking, alkylation, hydrocracking, coking and naphtha reforming models. The refinery produces California Air Resources Board (CARB)-grade gasoline and diesel fuels. Refined products are distributed by pipeline and truck to clients in California, Nevada and Arizona.