Sunoco Chemicals is one of the leading producers of phenol in the world. It is a full-service, integrated chemical company that manufactures, distributes and markets a range of refinery-based petrochemicals for clients in the fiber, resin and specialty markets. The company manufactures polypropylene and bisphenol-A for various consumer and industrial applications. It has more than five plants and serves clients throughout the United States. The company manufactures acetone, nonene, tetramer, toluene, xylene, benzene and cyclohexane. Sunoco Chemicals maintains a technology and commercial center in Pittsburgh. The company also has technical support facilities throughout the world. Sunoco Chemicals, a business segment of Sunoco, offers transportation services.