
Occidental Petroleum Corporation (Occidental) is an international oil and gas exploration and production company headquartered in Houston. It operates in the US, the Middle East and Latin America. As well as exploring and producing oil and gas, it is involved in midstream and downstream activities. Through its midstream and marketing segment, Occidental gathers, processes, transports, stores, purchases and markets oil, condensate, Natural Gas Liquids (NGL), natural gas, carbon dioxide (CO2) and power. Its subsidiary Occidental Chemical Corporation (OxyChem) manufacturers polyvinyl chloride (PVC) resins, chlorine and caustic soda, which is a key building block for a number of indispensable products, including plastics, pharmaceuticals and water-treatment chemicals. OxyChem also manufactures caustic potash, chlorinated organics, sodium silicates, chlorinated isocyanurates and calcium chloride.