Senior Operations LLC

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.

LB Steel, a limited-liability company that includes Coburn Steel Products, is one of the largest processors of strip mill plate in North America. LB/Coburn ties together innovative management and a state-of-the-art processing facility. Its processing facility is approximately 450,000 square feet. The company offers services that include plate roller levelers and flattening presses operating to a flatness tolerance of one-half AISI or ASTM standards; plasma and oxy-fuel burning on a 1000-amp plasma water table and five new or totally rebuilt oxy-fuel computer numerical-controlled tables; welding and babrication by its ASME, U-Stamp, and U.S. Department of Energy-compliant professionals; machining in its industry-standard machine shop; and painting and finishing on its automated conveyorized paint line. The company is based in Harvey, Ill.

Infra-Metals is one of the largest structural steel service centers in the United States. Part of the Atlanta-based PNA Group, Infra-Metals offers service, delivery and a lineup of processing equipment. Headquartered in Atlanta, the company has operations in Connecticut, Florida, Georgia, Illinois, Maryland, Pennsylvania and Virginia. Infra-Metals was founded in 1990. PNA Group is a holding company for TUI AG s activities in the U.S. Other companies in the PNA Group include Delta Steel and Feralloy Corporation. Based in Germany, TUI was founded in 1923 as the holding company for non-ferrous metal mining and smelting interests.