Olin Corporation began in 1892 as a small blasting powder supplier in East Alton, Illinois. Following a few decades of success, along with some fruitful acquisitions, Olin has grown and expanded to encompass three business units —Olin Chlor Alkali Products & Vinyls, Olin Epoxy, and Winchester Ammunition.

Collectively, these business segments employ 7,700 professionals in more than 15 countries with customers in nearly 100 countries across the globe.