Established in 1947, Dennen Steel Corp. is a steel brokerage and trading company specializing in buying and reselling rail carloads of government war surplus steel and aluminum. The company's in-house services include global steel purchasing, tool and die design and development, high-volume and state-of-the-art material quality analysis. Its facility spans 185,000 square feet stamping plant and steel service center. The company's products include material types, such as hot/cold rolled, hot rolled pickled and oiled and galvanized, among others. Its quality system includes coordinate measuring testing, chemical analysis, hardness and ductility and mechanical properties testing.