General Info

Founded in 1927, Trojahn Plumbing Systems is a full-services plumbing company. The firm is located in St. Louis and provides a variety of services that include plumbing design, engineering, in-house fabrication and installation. It offers plumbing design services in the architectural conception stage of a project to assist developers in planning and implementing complex plumbing systems. Its services include renovation and new construction for commercial retail and office, health care, historic rehabilitations, hotels, institutional, educational and residential buildings. It executes all its projects through a staff of designers, engineers and craftsman. Trojahn Plumbing System is affiliated with a variety of organizations that include the Plumbing Heating Cooling Contractors National Association, Missouri Association of Plumbing Heating Cooling Council and the American Society of Plumbing Engineers.