Superior Steel Stamp Co. is a Cleveland manufacturer of CNC-machined components, tooling, prototypes, marking dies, embossing dies, steel stamps, holders, and engraving products. Its capabilities include CNC milling and turning, Y-axis lathe work, sinker EDM, surface grinding, finishing, inspection, and industrial marking for automotive, aerospace, oil and gas, heavy industry, manufacturing, tool and die, rail, transportation, defense, and equipment applications.