Union & Membership Information

PENN is built around a union-trained workforce that values safety, craftsmanship, and accountability. Through strong partnerships with labor organizations, we invest in training, uphold rigorous safety standards, and deliver consistent, high-quality execution on complex structural projects.

National Memberships

National Association of Construction Employers

U.S. Minority Contractors Association

Union – Illinois/Missouri/Wisconsin

International Iron Workers

Iron Workers Union #63

Iron Workers Union #396

Membership – Illinois/Missouri

Bi-State Fabricators Association

Erectors and Riggers Association of Greater St. Louis