IAGI Certified Welding Testing March 16, 2015 News·Team by COMANCO COMANCO > COMANCO BLOG > News > Team > IAGI Certified Welding Testing COMANCO holds two day IAGI Testing for Welding Certification. COMANCO is increasing the number of internationally recognized Certified Welding Technicians by giving employees the opportunity to demonstrate their expertise in Geosynthetics welding. Previous Post Next Post