Why choose international aerospace coatings? International Aerospace Coatings Ltd, (IAC) incorporating the Eirtech, Leading Edge and Associated Painters brands, is a leading global provider of aviation coating services, including exterior & interior aircraft painting, aircraft refurbishment & provision of aircraft graphics.What is iac paint? IAC – International Aerospace Coatings YOUR TRUSTED GLOBAL PARTNER IAC is the global leader in aircraft painting, interiors and graphics. With 10 state-of-the-art facilities across the USA and Europe, IAC has capacity for 35 lines of aircraft and processes 1000+ paint events per year.Where is iac located? IAC works in all segments of the aviation industry, including OEM, commercial, military, and general aviation. European headquarters are based at Shannon Airport, County Clare, Ireland, with US headquarters based in Irvine, California. Keep up to speed with all things IAC.Where is the headquarters of ppg aerospace located? PPG Aerospace 12780 San Fernando Road Sylmar, CA 91342 USA Phone: +1 (818) 362-6711 . Our main Research and Technology Office is located in Burbank, California.