Precision Engineered Coatings Coatings That Drive Innovation We will be closed Monday, July 4 in celebration of Independence Day. NP3 NP3 is a surface treatment for various metals and alloys which is an accurately applied, dry lubricated, low friction surface and is extremely hard and resistant to wear. Read More NADCAP Approved Coating Technologies Inc. works tirelessly to maintain our accreditation with NADCAP. We’re committed to providing our partners with the best in quality metal finishing. About NADCAP Processes Get more information about CTI’s metal finishing processes including specification numbers, testing data, and more. See Processes Approved Vendor CTI is on the approved vendor list for organizations like Honeywell, Raytheon, Lockheed Martin, Northrop Grumman, Rolls Royce, and many more. See the full approved vendor list CTI is an approved vendor for: View the entire list Find Out More About CTI Today Contact Us By using this site you agree to CTI’s terms and conditions.