LyondellBasell is a multinational plastics, chemicals and refining company. It is the top global producer of advanced polyolefins, polypropylene and polyethylene resins. The company was formed in December 2007 by the acquisition of Lyondell Chemical Company by Basell Polyolefins for $12.7 billion. Today, it manufactures products at 57 sites in 18 countries. LyondellBasell’s has a U.S. operations headquarters in Houston, Texas, and global operations headquarters in London, UK.