Crawford Steel Company

Founded in 1927, Mapes & Sprowl Steel is one of the leading service centers in the United States. The company specializes in enameling steel for porcelain-coating applications and silicon steel for electrical applications. Mapes & Sprowl Steel is a member of the Steel Service Center Institute (SSCI). It maintains one of the largest enameling steel inventories of any service center in the industry. Mapes & Sprowl Steels is a full-service supplier of electrical steel sheet and coils, including fully processed, semi processed, cold rolled and CRML electrical steel.

Founded in 1970, A-Korn Roller Inc. is a designer and manufacturer of high quality rollers sleeves and related products for printing, converting and other industrial uses. It supplies a wide range of metal, rubber and hard covered products. The company manufacturing site is strategically located in Chicago, Ill. to effectively serve customers throughout the United States, Canada and Mexico. A-Korn Roller Inc. operates two plants each fully equipped to handle a variety of rolls for both print and other industries. The firm also offers other secondary services, like custom roll covering, grinding and regrinding.

Located in Elk Grove Village, Ill., Clingan Steel operates as a manufacturer of steel products. It offers a range of products in the categories of stainless steel, coated products, tempered/cold rolled steel, annealed spring, copper/brass, beryllium copper, bright basic wire, alloy strip, high strength low alloy and aluminum sheet/strip, among others. The company's specialty services are available in the areas of edging services/equipment, precision cut lengths/skiving, traverse winding, custom decambering, cold rolling/temper rolling/reduction and custom tempering. Clingan Steel is an ISO certified company.