Occidental Petroleum Corporation is an oil and gas exploration and production company. The Company operates through three segments: oil and gas, chemical (OxyChem), and midstream and marketing. The oil and gas segment explores for, develops and produces oil and condensate, natural gas liquids (NGLs) and natural gas. The OxyChem segment manufactures and markets basic chemicals and vinyls. OxyChem owns and operates manufacturing plants at approximately 20 domestic sites in Alabama, Georgia, Illinois, Kansas, Louisiana, Michigan, New Jersey, New York, Ohio, Pennsylvania, Tennessee and Texas, and at two international sites in Canada and Chile. The midstream and marketing segment gathers, processes, transports, stores, purchases and markets oil, condensate, NGLs, natural gas, carbon dioxide (CO2) and power. It also trades around its assets, including transportation and storage capacity. Additionally, the midstream and marketing segment invests in entities that conduct similar activities.