
Houston, Texas-based Phillips 66 (PSX) is a diversified energy manufacturing and logistics company primarily engaged in refining crude oil, transporting energy products, and manufacturing petrochemicals. The company operates through four main segments: Midstream, Chemicals, Refining, and Marketing & Specialties. With a market cap of $64.2 billion, Phillips 66's operations span numerous countries across the Americas, Europe, and internationally.
Companies worth $10 billion or more are generally described as “large-cap stocks.” PSX fits the bill perfectly. Phillips 66 also markets refined fuels and specialty products through wholesale channels and branded outlets, positioning it as a major player in the U.S. downstream oil and gas sector.