Olin Corporation manufactures and sells chlor alkali products in the United States and internationally. The company operates through three segments: Chlor Alkali Products, Chemical Distribution, and Winchester. The Chlor Alkali Products segment provides chlorine/caustic soda that is used in pulp and paper processing, chemical manufacturing, and water purification, as well as in the manufacture of vinyl chloride, bleach, swimming pool chemicals, and urethane chemicals; sodium hypochlorite for use in household cleaners, laundry bleaching, swimming pool sanitizers, semiconductors, water treatment, textile, pulp and paper, and food processing; and hydrogen used in fuel source, hydrogen peroxide, and hydrochloric acid. This segment also offers hydrochloric acid for steel, oil and gas, plastics, organic chemical synthesis, water and wastewater treatment, brine treatment, artificial sweeteners, pharmaceuticals, food processing, and ore and mineral processing; and potassium hydroxide that is used in fertilizer manufacturing, soaps, detergents and cleaners, battery manufacturing, food processing chemicals, and deicers. The Chemical Distribution segment manufactures and distributes bleach products; and distributes caustic soda, potassium hydroxide, and hydrochloric acid. The Winchester segment provides gauges and calibers of shotgun shells, rimfire and centerfire ammunition for pistols and rifles, reloading components, and industrial cartridges; small caliber military ammunition for use in infantry and mounted weapons; and industrial products that are used in maintenance applications in power and concrete industries, and powder-actuated tools in construction industry. The company markets its products through its sales force and directly to various industrial customers, mass merchants, retailers, wholesalers, other distributors, and the U.S. Government and its prime contractors. Olin Corporation was founded in 1892 and is headquartered in Clayton, Missouri.