Accurate direct part marking requires careful processes of selecting the marking methods and considering all the aspects involved with it. The automatic identification technology that is recently being used by NASA, Pharmaceutical manufacturer, auto makers, aerospace industry and also by the Department of Defense (DoD) is direct part marking (DPM) method. This technique of marking the parts and assets assures permanent marking of unique identification for effective tracing and tracking process. Equipments and machinery in the petrochemical industry, engine pistons and transmission parts, surgical instruments and high-value tools, tires, etc.