$HCTI Founded in 2010, Hybrid Coating Technologies (HCT) is a San Francisco-based innovator focused on improving the quality and safety of coatings and paint for industrial and commercial customers around the world. We are the exclusive licensee of Green Polyurethane™ coatings and paint - the world's first-ever patent protected polyurethane-based coatings and paint products which eliminate toxic isocyanates from the entire production process.