Sub Source offers power coating, part marking, welding, fastener sorting and nondestructive testing solutions. The company serves the aerospace, agriculture, communication, construction, energy, recreation and power generation industries. Its metal finishing processes include anodizing, pickling, blasting, passivation and ultrasonic cleaning solutions. Sub Source provides several specialty coatings, including powder and dry film lubricants. The company offers eddy current sorting, florescent penetrant inspection, and leak and pressure testing services. In addition, it utilizes laser, rubber and metal stamping solutions for part marking. Sub Source provides metal and tungsten inert gas welding solutions. The company offers also offers heat resistant coating services. It is located in Rockford, Ill.