Built on the reputation of the foremost source of uniform codes and standards in the plumbing and mechanical fields, IAPMO Evaluation Service (ES) is the agency of choice for building officials everywhere.

Offering lower prices and faster, more flexible service than other providers, IAPMO ES is the smart option for your company’s evaluation needs. Building products, materials, and designs bearing the IAPMO ES Mark of Conformity are trusted by contractors, inspectors, officials, and Authorities Having Jurisdiction.

IAPMO ES is accredited by the American National Standards Institute (ANSI), giving inspectors and other officials the confidence of knowing that all products displaying the IAPMO ES shield have met the most rigorous standards and are in full compliance with applicable codes.