| Air Traffic Controllers |
| Alliance for Retired Americans |
| Amalgamated Transit |
| Auto Workers |
| Bakery Workers |
| Boilermakers |
| Bricklayers |
| California School Employees Association |
| Carpenters |
| Communications Workers |
| Directly Affiliated Unions |
| Electrical Workers |
| Elevator Constructors |
| Engineers, Operating |
| Fire Fighters |
| Food And Commercial |
| Glass Workers, Flint |
| Government Workers |
| Graphic Communications |
| Heat & Frost Insulators |
| Iron Workers |
| Laborers |
| Letter Carriers |
| Machinists |
| Mail Handlers |
| Mine Workers |
| Musicians |
| National Nurses United |
| Office & Professional |
| Painters |
| Plasterers |
| Plumbers & Pipefitters |
| Postal Workers |
| Professional & Technical Engineers |
| Professional Airways Systems Spec |
| Retail, Wholesale |
| Roofers |
| School Administrators |
| Seafarers |
| Service Employees |
| Sheet Metal Workers |
| Signalman, Railroad |
| Stage Employees |
| State, County & Municipal Employees |
| Steelworkers |
| Teachers |
| Teamsters |
| Transport Workers |
| Unite-Here |
| United Transportation Union |
| Utility Workers |
| Writers Guild |
