Phillips 66 engages in the processing, transportation, storage, and marketing of fuels and other related products. The company operates through the following segments: Midstream, Chemicals, Refining and Marketing & Specialties. The Midstream segment provides crude oil and refined products transportation, terminaling and processing services, as well as natural gas, natural gas liquids and liquefied petroleum gas transportation, storage, processing and marketing services. The Chemicals segment produces and markets petrochemicals and plastics on a worldwide basis. The Refining segment Refines crude oil and other feedstocks into petroleum products such as gasoline, distillates and aviation fuels. The Marketing and Specialties segment purchases for resale and markets refined petroleum products such as base oils and lubricants, as well as power generation operations. The company was founded in 1875 and is headquartered in Houston, TX.