K O Steel, 6918 S 76th East Ave, Tulsa, OK 74133, US

Founded in 1966, American Foundry Group serves a wide variety of diverse manufacturers, including glass, valves and fitting, pump components, compressors and industrial furnace fixtures companies, and nuclear and military agencies. As a single-source foundry group, the company provides complete process selections using green sand, air-set, shell and investment methods of casting. It offers a wide selection of aluminum, brass, bronze, aluminum-bronze, carbon steel, stainless steel, low alloys, Monel, Hastelloy and duplex stainless products. American Foundry Group is located in Bixby, Okla. The company also provides various in-house services, such as design and technical assistance, machining, nondestructive testing and heat treating services.