Chevron Corp. engages in the provision of oil and gas energy solutions. It provides crude oil and natural gas, manufactures transportation fuels, lubricants, petrochemicals, and additives, and develops technologies that enhance business and the industry. It operates through the Upstream and Downstream segments. The Upstream segment consists of the exploration, development, and production of crude oil and natural gas, the liquefaction, transportation, and regasification associated with liquefied natural gas, the transporting of crude oil by major international oil export pipelines, the processing, transporting, storage, and marketing of natural gas, and a gas-to-liquids plant. The Downstream segment consists of the refining of crude oil into petroleum products, the marketing of crude oil and refined products, the transporting of crude oil and refined products by pipeline, marine vessel, motor equipment, and rail car, and the manufacturing and marketing of commodity petrochemicals and plastics for industrial uses and fuel & lubricant additives. The company was founded on September 10, 1879 and is headquartered in Houston, TX.