Chamberlin is engaged in the production and sale of iron castings and light engineering products. It operates through two segments: Foundries and Engineering. The Foundries segment is a supplier of iron castings, in raw or machined form, to a range of industrial customers, which incorporate the castings into their products or carry out further machining or assembly operations on the castings before selling them on to their customers. The Engineering segment provides manufactured and imported products to distributors and end users operating in the safety and security markets.