Bakery, Confectionery, Tobacco Workers and Grain Millers International Union
International Brotherhood of Boilermakers, Iron Ship Builders, Blacksmiths, Forgers and Helpers
Communications Workers of America
International Brotherhood of Electrical Workers
International Union of Elevator Constructors
International Union of Operating Engineers
International Association of Fire Fighters
International Association of Bridge, Structural, Ornamental and Reinforcing Iron Workers
International Association of Machinists and Aerospace Workers
Marine Engineers’ Beneficial Association
United Mine Workers of America
International Union of Allied, Novelty and Production Workers, AFL-CIO
Office and Professional Employees International Union
International Union of Painters and Allied Trades of the United States and Canada
Operative Plasterers’ and Cement Masons’ International Association of the United States and Canada
Seafarers International Union of North America
International Association of Sheet Metal, Air, Rail and Transportation Workers
American Federation of State, County and Municipal Employees