Knight School of Welding in Louisville, KY is an Authorized Welding Training Provider through (WIA) The KY & IN Workforce Investment Act. That means Kentucky & Indiana residents can qualify to complete their Welding training FREE and receive FREE career assistance. Call (502) 634-5568. (SMAW) STICK Welding (GMAW) MIG Welding (GTAW) TIG Welding Combination Welding 6G PIPE Welding CWI (Certified Welding Inspector) Training (AWS) Test Certifications