H A Industries

Founded in 1914, Chicago Tube & Iron is one of the largest steel service centers in the United States. The company designs, manufactures and markets a wide range of steel products, including tubing, pipe, bar, valves, fittings and flanges, and boiler and condenser tubes and tools. In addition, the company has a line of specialty products that includes steam traps, Y-strainers, gaskets, bolts, valve parts, acuation products, hanger materials, and gauges and thermometers. Chicago Tube & Iron s services include cutting, chamfering, deburring, coiling, grooving, beveling, threading and bending. Chicago Tube & Iron maintains its headquarters in Romeoville, Ill., and operates additional facilities in Wisconsin, Indiana, Minnesota and North Carolina.

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.

Combined Metals of Chicago is a processor and distributor of stainless steel and nickel-based alloys. The company serves a wide range of industries, including the appliance, medical, construction, petrochemical and automotive industries. It provides flat-rolled stainless steel strips, sheets and foils to more than 15,000 industrial customers. The company s areas of expertise include precision rolling, polishing, buffing, slitting and blanking. Combined Metals of Chicago is accredited by the Chicago Minority Business Development Council and is an ISO 9001:2000-certified company. Its technical customer service unit provides support in the areas of specification development, product design and materials selection to its clients. The company has branches at various locations, including Ann Arbor, Mich.; and Bellwood, Elgin and Hampshire, Ill.