- Girl’s Trade School (Milwaukee, Wisconsin)
- Graphic Arts International Union
- Graphic Communications International Union
- Health
- Hispanics
- Hortonville Education Association (Wisconsin)
- Hortonville Vigilante Association (Wisconsin)
- Independent Union of Kohler Workers Association Wisconsin
- Industrial Workers of the World IWW
- Industries (Agriculture)
- Industries (Breweries)
- Industries (Clerical)
- Industries (Communications)
- Industries (Construction)
- Industries (Electrial)
- Industries (Entertainment)
- Industries (Food)
- Industries (Garment, Textile)
- Industries (Ice)
- Industries (Insurance)
- Industries (Lumber, Wood, Paper)
- Industries (Machine Workers)
- Industries (Manufacturing)
- Industries (Meatpacking)
- Industries (Media, Reporting)
- Industries (Migrant Farm Workers)
- Industries (Mining)
- Industries (Public Employment)
- Industries (Teaching)
- Industries (Transportation)
- International Association of Machinists
- International Union of Steam and Operating Engineers
- International Union of Steam Engineers
- International Union of United Brewery Workmen of America
- Lithographic Press Feeders Union
- Madison Federated Trades Council (Wisconsin)
- Madison Federation of Labor (Wisconsin)
- Madison Union Label League
- Manitowoc Shipbuilding Corporation
- Milwaukee Board of School Directors
- Milwaukee County Industrial Union Council (Wisconsin)
- Milwaukee Federated Trades Council (Wisconsin)
- Milwaukee Vocational School
- Milwaukee Workers College
- Music