About the UA

Our Partners

The United Association has strong relationships with industry groups and contractor
associations. These partnerships are built on shared goals and a commitment to a
job well done.

Our Partners

North America’s Building Trades Unions (NABTU)

NABTU is a federation of the 14 building trades working across North America. It was founded in 1907 and represents the interests of more than 3 million skilled tradespeople.

The Mechanical Contractors Association of America

The MCAA serves the unique needs of approximately 2,600 firms involved in heating, air conditioning, refrigeration, plumbing, piping and mechanical service. MCAA and the UA work together to expand market share, provide education and training, promote new generations of leaders and so much more.

The Mechanical Service Contractors Association of America

MSCA is the leading organization for HVACR contractors, providing education, marketing and labor/management services to ensure its contractor members deliver quality performance, value and expertise for all building system needs.

Plumbing Contractors Association

The PCA represents the interests of union plumbing contractors (the United Association of Plumbers and Pipefitters) on a national level. In addition to lobbying, the PCA works with other industry groups and associations. Members of the PCA sit on the Board of Directors for IAPMO, and works directly with ASSE, ASPE and the World Plumbing Council.

The Plumbing-Heating-Cooling Contractors Association

The UA and the PHCC work together to promote the interests of unionized HVACR and plumbing contractors. These contractors work in the residential, commercial, new construction, industrial and service and repair segments of the construction industry.

Pipe Line Contractors Association

The Pipe Line Contractors Association was established in 1948 and negotiates labor agreements, encourages safe practices in pipeline construction and seeks the resolution of problems common to all those in the industry.


The Association negotiates and administers the National Pipe Line Agreements collective bargaining labor contracts, with the International Unions representing the four crafts of employees involved in pipeline construction: Laborers International Union of North America, International Brotherhood of Teamsters, United Association of Plumbers and Pipefitters and the International Union of Operating Engineers.

National Fire Sprinkler Association

For over a century, the National Fire Sprinkler Association has been advocating for the widespread acceptance of fire sprinkler systems throughout the United States. This effort is in keeping with the NFSA mission: “To protect lives and property from fire through the wide-spread acceptance of the fire sprinkler concept.”

The UA has many other associations and organizations that we partner with. These include: the AFL-CIO; the Construction Users Roundtable (CURT); the National Certified Pipe Welding Bureau (NCPWB); the Pipe Fabrication Institute (PFI), and The Association of Union Constructors (TAUC).