International Paper is an American pulp and paper company, the second largest pulp and paper company in the world. The company produces printing and writing papers, pulp, paperboard and packaging and wood products. It also manufactures specialty items including tissue products; photographic films, papers and equipment; nonwovens; specialty chemicals; and specialty panels and laminated products.
Occidental Petroleum Corporation's principal activity is sell crude oil and natural gas. The company's operations are carried out through many subsidiaries and affiliates. Two major subsidiaries are Occidental Chemical Corporation and Occidental Oil and Gas Corporation. The company also owns 76% of OxyVinyls, the primary maker of PVC in North America.
The Dow Chemical Company is the world’s second largest chemical company, behind only BASF. Dow’s primary industries are chemicals, herbicides, pesticides, agricultural sciences and plastics. Dow's main business is supplying chemicals to other industrial and chemical companies. Using oil, coals, natural gas, salt, brine and other basic inputs, Dow makes inorganic chemicals like soda, solvents, and chlorine, and organic chemicals like acetone, ethylene glycol, glycerine, phenols, etc. Dow is also the biggest plastics manufacturer in the world.
The main company of the Chennai, India-based Sanmar Group, Chemplast is a major producer of PVC, caustic soda, chlorine, and chlorinated solvents including carbon tetrachloride refrigerant gases. With a product inventory ranging from ozone depleting substances to persistent organic pollutants, the company's operations -- particularly in its principal manufacturing facility in Mettur Dam -- is under attack for environmental pollution.
