ICC Evaluation Service (ICC-ES) is an industry leader delivering accredited testing, inspection, and certification for a variety of products, components, methods, and materials. Differentiated by its direct connection to the codes and standards that shape the built environment, ICC-ES goes beyond traditional testing bodies by combining deep regulatory expertise with transparent, science-based evaluations—ensuring products gain immediate trust from code officials, specifiers, and builders. ICC-ES certifications are widely accepted and trusted in North America and internationally for building, plumbing, mechanical, fuel gas, swimming pools, spas, and more.