International Association of Plumbing and Mechanical Officials

IAPMO (International Association of Plumbing and Mechanical Officials) is a global organization dedicated to advancing sanitation methods and promoting uniformity in plumbing ordinances. Founded in 1926 by plumbing inspectors in Southern California, IAPMO has grown to include over 300 employees and more than 4,500 members across 17 countries and 50 U.S. states. Headquartered in Ontario, California, the organization focuses on protecting public health and safety through comprehensive plumbing and mechanical systems. IAPMO offers a wide range of services, including the development of codes and standards such as the Uniform Plumbing Code (UPC®) and the Uniform Mechanical Code (UMC®). It also provides product testing, evaluation, and certification for various items, including plumbing and water-efficient products. Additionally, IAPMO offers training and certification for building professionals, along with quality assurance and industry research. Its global reach impacts building professionals, manufacturers, and governments, fostering safer environments and sustainability.