Building North America’s Future, One Project at a Time

UA Projects

The United Association (UA) is proud to be at the forefront of building, maintaining, and protecting the infrastructure that powers communities across the United States and Canada.

Our members are renowned for their expertise, professionalism, and commitment to excellence. They contribute to some of the most complex and high-profile projects in the piping, plumbing, HVACR, fire protection, and mechanical trades industries.

Through our work, we help ensure the safety, comfort, and progress of millions of people every day.

Costco Chicken Process Plant Project | United Association

Our Featured UA Project

Farm to Table with Costco

Members of Steamfitters and Plumbers Local 464, Omaha, Neb., and
Plumbers Local 16, Omaha, Neb., working for MMC Contractors, are
completing all the processed piping in a new chicken processing plant being constructed for Costco.

Recent UA Projects

Facebook Data Center Project | Los Lunas | United Association

Facebook
Data Center

The Facebook Data Center in Los Lunas includes a myriad of buildings and has offered robust and long-term employment for the members…
Labor and Advanced Technology Building Project | United Association

Labor & Advanced Tech
Education Building

Plumbers and Pipefitters Local 56, Halifax, NS, members and Atlantic Mechanical Contractors, proudly took on the full renovation…

Lackawanna Energy Center Project | United Association

Lackawanna
Energy Center

The Lackawanna Energy Center, a 1,480-megawatt natural gas-fired combined cycle power plant, is the largest plant…

Shaping North America’s Build Environment

Markets We Serve

UA members deliver world-class craftsmanship and safety standards on projects of every size and scope.

From state-of-the-art healthcare facilities and advanced manufacturing plants to power generation stations and iconic commercial developments, highly trained UA professionals play a critical role in shaping North America’s built environment.

We’re Your Trusted partner

Contractors & Owners

From concept to completion, the United Association is the trusted partner for contractors, owners, and developers seeking the highest standards in piping and mechanical trades. Discover how your company can partner with the UA to build a better, safer, and more sustainable future—one project at a time.

UA Signatory Contractors Vans | United Association