Plumbers and Pipefitters Local 178 represents over 400 Union-trained plumbers, pipefitters, steamfitters, refrigeration fitters, and service technicians in the state of Missouri.

Our parent organization is the United Association of Journeymen and Apprentices of the Plumbing and Pipefitting Industry of the United States and Canada based in Annapolis, MD. Our members are highly-trained craftsmen who fabricate, install and service residential, commercial, and industrial piping systems. Local 178 provides highly-trained craftsmen for any size project in the region. From process piping, plumbing, steam fitting, and refrigeration to medical gas, hydraulics, and welding.