Olin Corporation engages in the manufacture and sale of chlor alkali products to commercial and industrial markets in the United States and internationally. It operates in two segments, Chlor Alkali Products and Winchester. The Chlor Alkali Products segment offers chlorine and caustic soda, sodium hydrosulfite, hydrochloric acid, hydrogen, bleach products, and potassium hydroxide. The Winchester segment produces and distributes sporting ammunitions, reloading components, small caliber military ammunition and components, and industrial cartridges. The company markets its products and services to various industrial customers, wholesalers, and other distributors, as well as to the U.S. government and its contractors. Olin Corporation was founded in 1892 and is based in Clayton, Missouri.