M C H L O R I N E H A N D B O O K - Occidental Petroleuminclude caustic potash, chlorinated organics, sodium silicates, chlorinated isocyanurates and calcium chloride. For every product it makes, OxyChem's market position is No. 1 or No. 2 in the U.S. and No. 1, 2 or 3 in the world. Based in Dallas, Texas, the company has manufacturing facilities in the United States, Canada, Chile and Brazil.