According to the company, about 600 employees and 300 contractors operate the Los Angeles-area refinery. The refinery includes a crude-oil processing facility in Carson and a separate facility in Wilmington where the processed oil is finalized into “finished products.” The two facilities are linked by a roughly five-mile pipeline.

Phillips 66 will close a refinery near Los Angeles in the fourth quarter of 2025, citing that its long-term sustainability is uncertain and affected by market dynamics. Mark Lashier, chief executive of the Houston-based oil refiner,

SACRAMENTO, California — Phillips 66 announced Wednesday that it will close its Los Angeles oil refinery next year, citing “long-term uncertainty” two days after Gov. Gavin Newsom signed a law clearing the way for new regulations on the state’s refiners.