Who We Represent


Trade Description: Fabricate, assemble, install, maintain, and repair piping systems that transport all types of fluids, slurries and gas in the residential, commercial and industrial sectors. Their work is diverse and in fields such as oil refineries, paper mills, nuclear power plants, manufacturing plants, and in the automotive industry. Steamfitter-pipefitters often work on high pressure and high temperature systems, requiring a thorough knowledge of scientific principles to complete the work safely.


Trade Description: Cut and join a variety of materials, from steel, cast iron and plastic to complex and specialized products used on projects ranging from pipelines and power plants, to pharmaceutical and computer chip factories—and more.


Trade Description: Perform work that is essential to the health and safety of our citizens. Plumbers install drinking water, waste and ventilating systems, as well as wastewater treatment systems large and small, in homes, offices, schools, hospitals and manufacturing facilities.


Trade Description: Install, maintain and repair plumbing, heating, ventilating, air conditioning and refrigeration systems in the residential, commercial and industrial sectors. These technicians also perform essential work in our national goal to improve energy efficiency.