Orichem International, Ltd.
- http://www.orichem.com
- Fine-chemical manufacturing and trading group in China, whose products include dyes, pesticides, nutritional supplements, herbal products, and a range of organic intermediates.
OxyChem
- http://www.oxy.com/OXYCHEM/CHEMICALS.htm
- The chemicals segment of Occidental Petroleum Company, producing chlorine, caustic soda, PVC, mercaptan odorizing agents, resorcinol, and other performance products.