McLean County currently has 30 labor unions. Representatives of organized labor actively participate in economic development through their representation on the Board of Directors of the Economic Development Council of the Bloomington-Normal Area. Below is a list of union affiliations in McLean County.
- AFSCME
- Amalgamated Transit Union
- American Federation of Musicians
- American Postal Workers
- Bakery, Confectionary, Tobacco Workers and Grain Millers
- Communication Workers of America
- Glaziers, Architectural Metal and Glass Workers
- Hotel & Restaurant Employees
- International Association of Bridge, Structural and Ornamental Iron Workers
- International Association of Plasterers & Cement Masons
- International Brotherhood of Painters & Allied Trades
- International Union of Operating Engineers
- International Alliance of Theatrical Stage Employees
- International Association of Firefighters
- International Association of Machinists
- International Brotherhood of Electrical Workers
- International Brotherhood of Teamsters
- International Union of Bricklayers & Allied Craftsmen
- Laborers’ International of North America
- National Association of Letter Carriers
- Office, Professional Employees International
- Plumbers & Pipefitters
- Sheet Metal Workers
- Union of Needletrades, Industrial and Textile Employees
- United Auto Workers
- United Brotherhood of Carpenters
- United Food and Commercial Workers
- United Steelworkers
- United Transportation Union
- United Union of Roofers, Waterproofers & Allied Workers