IAPMO R&T, Inc. is the most trusted listing agency in the plumbing and mechanical industry. Our long standing 79+ years of history has made us the agency that code officials, inspectors and major manufacturers rely upon when it comes to accepting or certifying plumbing & mechanical products. We look forward to testing and certifying your products to their applicable codes, standards, and programs such as UPC, ASME, NSF/ANSI 61, Low Lead, WaterSense, ENERGY STAR, GREEN and several others. (less)