Who We Are

The Power of the Pennsylvania Laborers' Union

We are the Laborers' International Union of North America (LiUNA), a powerhouse of over half a million skilled members, united by a legacy of pride, honor, and hard work that has been building America for over a century.

Our Mission: Safe, Skilled, Productive

Our mission is to provide a safe and healthy workplace for our members, to supply our signatory contractors with a skilled and productive workforce, and to offer our members and their families the best-in-class training, benefits, and a dignified retirement.

We fight for family-supporting wages and benefits, and we invest millions in training and apprenticeship programs to ensure our members are the safest, most-skilled workers on any job site.

Union workers collaborating on a construction site

Building a Stronger Pennsylvania

From energy infrastructure to our roads and bridges, LiUNA members are at the forefront of nearly every major construction project in the state.

Building Construction

From skyscrapers to local schools, our members are on the job.

Heavy & Highway

Constructing the roads, bridges, and tunnels that connect our nation.

Energy & Utilities

Powering our future by working on pipelines, power plants, and renewable energy projects.

Environmental Remediation

Cleaning up hazardous materials to protect our communities and environment.

A Legacy of Strength

Over 120 years of fighting for working families.

1903

The International Hod Carriers and Building Laborers' Union is formed.

1968

The union is renamed the Laborers' International Union of North America (LiUNA).

1980s

Expanded training programs and a focus on safety standards become a priority.

2000s

LiUNA plays a key role in major infrastructure projects and post-9/11 rebuilding efforts.

Today

Representing over 500,000 members and continuing to advocate for workers' rights.

Ready to Join Our Legacy?

Your path to a rewarding, family-sustaining career starts here. Take the first step by completing our quick assessment.

Powered by the Pennsylvania Laborers' Union (LiUNA)

© 2026 Laborers' International Union of North America