- United Food and Commercial Workers
- International Brotherhood of Teamsters
- International Longshore and Warehouse Union
- International Union of Operating Engineers
- International Association of Machinists and Aerospace Workers
- AFL-CIO
- Wake up Wal-Mart
- Change to Win
- Join HUMAN
- California Labor Federation
- Hotel Workers Raising
- The Employee Free Choice Act
- American Rights at Work
- Service Employees International Union®
- The Bakery, Confectionery, Tobacco Workers, and Grain Millers International Union
- United Association (of Journeymen and Apprentices of the Plumbing and Pipe Fitting Industry of the United States and Canada)
