Michael C. Ryan

The Renco Group, Inc. operates as a investment holding company with interests in mining, metal production, material handling and other business. It designs, engineers, manufactures, and supports special-purpose vehicles for military and commercial customers and engages in minerals exploration, mining, smelting, recycling, and fabrication to provide zinc and copper concentrates, lead metals and alloys, chemical and copperized lead, lead-calcium alloys, and wrought strips for use in car batteries, shielding for medical and military purposes, and communications and energy storage technologies. The company was founded by Ira Leon Rennert in 1975 and is headquartered in New York, NY.