Our Redemption Centers Pay Top Prices. Our specialty is purchasing and recycling. The Canonsburg location buys aluminum, brass catalytic converters, die cast, pot metal, electric motors, lead, magnesium, nickel, stainless steel, tungsten and zinc. Our Houston location buys steel, tin, clean tin cyclone fencing, tin sheeting, galvanized pipe, clean duct work, cable, steel wire, appliances, lawn mowers (drained of fluids), mufflers, clean galvanized duct work, furnaces, cast iron with lead seals intact and engines (car, truck, bus, tractor etc.) drained of all fluids.