Directory Inc.

About

The Olin Corporation is an American manufacturer of ammunition, chlorine, and sodium hydroxide. Based in Clayton, Missouri, it traces its roots to two companies, both founded in 1892: Franklin W. Olin’s “Equitable Powder Company” and the “Mathieson Alkali Works”. After being headquartered for many years in Stamford, Connecticut, it is now headquartered in Clayton, Missouri.