- National Association of Bridge and Structural Ironworkers
- Native-Americans
- Obreros Unidos [independent labor union] (Central Sands Region (Wisconsin))
- Office and Professional Employees International Union
- Painters and Drywall Finishers of Madison
- Painters Union
- Peterson Boatworks (Sturgeon Bay, Wisconsin)
- Politics
- Sheet Metal Workers’ Union
- Smith (L.D.) Shipbuilding (Sturgeon Bay, Wisconsin)
- Social-Democratic Party of Wisconsin
- Socialist Labor Party
- Socialist Party of Sheboygan
- Socialist Party of Wisconsin
- Sociology
- South Central Federation of Labor (Madison, Wisconsin)
- Sports
- Statewide Overview
- Sturgeon Bay Boatworks (Sturgeon Bay, Wisconsin)
- Sturgeon Bay Shipbuilding & Drydocks (Sturgeon Bay, Wisconsin)
- Superior Federation of Labor (Wisconsin)
- Teaching Assistants Association
- Theater
- Turner Movement
- United Automobile Workers
- United Brewery Workers Union
- United Electrical, Radio, and Machine Workers of America
- United Electrical Workers International Union
- United Food and Commercial Workers
- United Migrant Opportunity Services, Inc.
- United Packinghouse Workers of America
- United Rubber, Cork, Linoleum and Plastic Workers of America
- United Rubber Workers
- United Staff Union [independent labor union] (Madison, Wisconsin)
- United States. Works Progress Administration
- United Steel Workers of America
- United Textile Workers of America
- University of Wisconsin-Madison
- University of Wisconsin School for Workers