| Name | Address, Zip |
| National Active And Retired Federal Employees Association | 5032 West 20th St, 64804 |
| Laborers International Union Of North America | 2001 Empire Ave, 64804-1745 |
| United Brotherhood Of Carpenters & Joiners Of America | 2202 Stephens Blvd, 64804-3347 |
| American Federation Of Labor & Congress Of Industrial Orgs | 2001 Empire Ave, 64804-1745 |
| American Postal Workers Union | Po Box 747, 64802-0747 |
| Joplin Electrical Joint Apprenticeship And Training Tr | 3302 S Main St, 64804-3826 |
| Brotherhood Of Locomotive Engineers And Trainmen | 2022 W 4th St, 64801-3205 |
| International Association Of Fire Fighters | Po Box 1712, 64802-1712 |
| State Highway & Transportation Employees Association Of Missouri | 6889 Impala Dr, 64804-8284 |
| National Association Of Letter Carriers | Po Box 1, 64802-0001 |
| International Brotherhood Of Teamsters | Po Box 1299, 64802-1299 |
| International Brotherhood Of Electrical Workers | 3316 S Main St, 64804-3826 |
| International Brotherhood Of Teamsters | 1601 S Maiden Ln, 64801-3825 |
| International Brotherhood Of Electrical Workers | Po Box 1104, 64802-1104 |
| United Steelworkers | 1220 W 13th St, 64804-0404 |
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