Pennsylvania
- Associated Builders and Contractors (ABC): Keystone Chapter – Apprenticeship
- Berks Career & Technology Center – Apprenticeships
- Builders Association of Eastern Ohio and Western Pennsylvania – Apprenticeship Program
- Builders Guild (Construction Industry)
- Carpenters Apprentice School of Philadelphia & Vicinity
- Coalition of Black Trade Unionists: Southeastern PA and Greater Philadelphia Chapter
- Greater Pennsylvania Carpenters Joint Apprenticeship and Training Committee
- Greater Pennsylvania Regional Council of Carpenters
- International Association of Bridge, Structural, Ornamental and Reinforcing Ironworkers – Local Union No. 3 (Pittsburgh)
- International Brotherhood of Electrical Workers Local Union No. 5
- Ironworkers Local Union No. 36 (Whitehall, PA)
- Laborers' District Council of Eastern Pennsylvania
- Manchester Craftsmen's Guild: Arts Apprenticeship Training Program
- Masonry Contractors Association of Central Pennsylvania
- Mechanical Trade Association (MTA)
- NorthEastern Joint Apprenticeship & Training
- Operative Plasterers and Cement Masons International Association (OPCMIA) Local 592
- Operative Plasterers' and Cement Masons' International Association (OPCMIA) Local 31
- Penn Foster Workforce Development
- Pennsylvania Apprentice Coordinators Association
- Pennsylvania Historical and Museum Commission Summer Apprenticeships
- Pennsylvania Pipe Trades
- Philadelphia Revitalization and Education Program, Inc. Diversity Apprenticeship Program: Building Bridges Between Minorities and Building Trade Unions
- Pittsburgh Plumbers Local Union 27
- Plumbers & Pipefitters Local 354
- Sheet Metal Workers Local Union #12 – Apprentice & Journeyperson Training
- Sprinkler Fitters Local 692
- Steamfitters Local 420
- The Acanthus Workshop, LLC ~ Traditional Woodworking Education for Contemporary Craftsmen of All Levels
- UA Local 520 Plumbers & Pipefitters Union
- United Association Pittsburgh Pulmbers Local 27
- United Association Plumber and Steamfitters Local 47
- United Association Plumbers Local 690
- United Association Steamfitters Local 449
- Western Pennsylvania Operating Engineers Joint Apprenticeship & Training Program
