Founded in 1926, the International Association of Plumbing and Mechanical Officials (IAPMO), a nonprofit association primarily for inspectors, focuses its comprehensive capabilities in the technical aspects of the plumbing and mechanical industries through its extensive knowledge base, which includes regulators, professional contractors, labor force, and manufacturers. Comprised of ten different business units, the IAPMO Group offers true one-source convenience for all plumbing, mechanical, solar energy, swimming pool, hydronic and geothermal code and product compliance.

IAPMO is recognized the world over for its Uniform Codes. With offices in 11 states and seven countries, IAPMO has assisted globally with code development and adaptation to meet the specific regional needs.