Railroad Signalmen

Retail & Department Store

Roofers & Waterproofers

Rubber, Cork, Linoleum & Plastic

Screen Actors Guild

Shoe Workers

Service Employees

Sheet Metal Workers

Stove & Furnace

Allied Stove Crafts

Seafarers International

Slate & Quarrymen

Transportation Communications

Brotherhood of Teamsters

Tobacco Workers

Transport Workers

Theatrical & Stage Employees

Typographical Union

United Auto Workers

United Farm Workers

United Mine Workers

Union Label Department

United Textile Workers

Utility Workers

Wood Workers

Uphosterers & Trimmers