Profile: Metal Sales C.E.M. Supply, LLC stock and process a complete line of marine metal alloys as well as substantial quantities of standard metal products primarily for marine and industrial markets. We specialize in aluminum sheet, plate and diamond plate in alloys. We also stock most forms like rod, bar, pipe, tube and extrusions, in these and other non-heat treatable alloys, along with stainless steel, bronze and copper. Our processing capabilities include sawing, shearing, plasma and water jet cutting of complex parts.