Occidental Petroleum Corporation (NYSE:OXY) is a leading international oil and gas exploration and production company, and its OxyChem subsidiary is a major North American chemical manufacturer.

The fourth-largest U.S. oil and gas company, based on equity market capitalization, Oxy is an industry leader in applying advanced technology to boost production from mature fields and access hard-to-reach reserves. With more than 30,000 employees and contractors, Oxy is committed to respecting the environment, protecting safety and upholding high standards of social responsibility throughout its worldwide operations.