Building North America’s Future One Skilled Trade at a Time
United Association Trades
The United Association (UA) proudly represents the most highly trained professionals across a wide range of skilled trades. With a legacy spanning more than 135 years, UA members are the backbone of North America’s infrastructure, keeping water flowing, energy moving, and communities safe. Our commitment to excellence, safety, and innovation sets the standard for the entire industry.
Discover How Our Members Make an Impact Every Day
The Trades We Represent
HVACR Service Technicians
Our members are trusted experts in heating, ventilation, air conditioning, and refrigeration— delivering essential services that keep homes, businesses and critical facilities running smoothly, 24/7.
Metal Trades
UA metal trades members are experts in a wide range of fabrication processes, playing a key role in the safety, efficiency, and resilience of military infrastructure and other industries.
Pipefitters
UA members who work as pipefitters fabricate, install, maintain, and repair piping systems essential to the safety, efficiency, and infrastructure of the United States and Canada.
Pipeliners
Pipeliners are the skilled professionals responsible for constructing, maintaining, and repairing the pipelines that deliver energy and resources across the United States and Canada.
Plumbers
Plumbers install, repair, and maintain the piping systems that deliver clean water, remove waste, and safeguard public health.
Sprinkler Fitters
Individuals who work as sprinkler fitters specialize in the installation, maintenance, and repair of fire sprinkler systems that safeguard people, property, and essential infrastructure.
Steamfitters
Steamfitters fabricate, install, maintain, and repair high-pressure systems that move steam, hot water, and other industrial fluids.
Welders
Welders play a vital role in constructing, maintaining, and repairing critical systems by cutting and joining materials.
Join the UA
Whether you’re an experienced tradesperson or just starting your career, the UA offers pathways to rewarding, high-demand professions that make a real difference. Our members are united by a commitment to quality, safety and service.
Become a member of the United Association
Join the Best in the Business
To receive more information on careers available at the UA, please submit your contact information.