Devro PLC is a supplier of collagen casings for food, used by customers in the production of a wide variety of sausages and other meat products. Collagen is a naturally occurring polymer that is transformed into gel, tubular casing and film at its manufacturing sites in the US, Netherlands, UK, China, Czech Republic and Australia. The company has one-third of its sales in emerging markets and two-thirds in developed markets. It generates revenue primarily from the sale of collagen products to its customers.