Sub Source, Inc. is a NADCAP accredited and ISO certified "one-stop" service provider for critical and secondary processes. We specialize in non-destructive testing, coatings and metal finishing. Additional services are available to ensure your entire project is completed within our 120,000 square-foot Rockford, IL facility. With over 50 years of industry and technology expertise, we excel at solving challenges with difficult parts or processes. Our dedicated expediting team reduces lead times and holds an on-time delivery performance that is greater than 94.7%. Rely on our expertise and efficiency to carry even your most challenging project to completion.