Olin Corporation

Olin Corporation is a leading vertically integrated chemical manufacturer and distributor of chlor-alkali products and epoxy materials, alongside operating the historic Winchester ammunition brand. The enterprise is the world’s largest producer of chlor-alkali chemicals including chlorine and caustic soda, which serve as foundational inputs for water treatment, pharmaceuticals, and construction. By pairing basic chemical manufacturing with small-arms ammunition production, Olin Corporation serves diverse commercial, industrial, and defense customers.