A.F.L. ­Union Affiliations International Agreements with:

• Asbestos Workers
• Boilermakers
• Carpenters
• Electricians
• Insulators
• Iron Workers
• Laborers
• Millwrights
• Operating Engineers
• Painters
• Pipefitters
• Sheetmetal Workers
• Teamsters
Trade Associations:

• AWS (American Welding Society)
• Eastern States Blast Furnace & Coke Oven Association
• MCA (Mechanical Contractor’s Association)
• NCPWB (National Certified Pipe Welding Bureau)
• NEA (National Erector’s Association.)
• PFI (Pipe Fabrication Institute)
• PPA (Pennsylvania Petroleum Association)
• TAUC (The Association of Union Constructors)
# #