| Name | Address, Zip |
| Branch No 63 Of The National Association Of Letter Carriers | 3214, 43702 |
| International Union United Auto Aerospace & Agricultural Workers | 1724 Linden Ave, 43701-2307 |
| United Mine Workers Of America- International | 2809 Bell St Apt 4, 43701-1741 |
| Laborers International Union Of North America | 1254 Linden Ave, 43701-2950 |
| American Federation Of State County & Municipal Employees | 235 Florence Ave, 43701-4116 |
| American Federation Of State County & Municipal Employees | 207 Downing Dr, 43701-4613 |
| American Federation Of State County & Municipal Employees | 220 Airport Rd, 43701-0912 |
| American Federation Of State County & Municipal Employees | Po Box 2122, 43702-2122 |
| American Postal Workers Union | Po Box 2601, 43702-2601 |
| The Zanesville Education Association Uniserv | 126 Juanita Dr, 43701-6235 |
| International Association Of Fire Fighters | 332 South Street, 43701-3646 |
| Maysville Classified Education Association | 1200 Middleton St, 43701-6092 |
| West Muskingum Support Association | 7625 Ridge Rd, 43701-8282 |
| International Brotherhood Of Teamsters Chauffers Warehsmn-helps | 100 Timber Run Rd, 43701-7334 |
| United Steelworkers | 2050 Russell Dr, 43701-9270 |
| United Steelworkers | 2050 Russell Dr, 43701-9270 |
| United Steelworkers | Po Box 61, 43702-0061 |
| United Steelworkers | 488 Hedgewood Ave, 43701 |
| United Steelworkers | Po Box 7152, 43702 |
| United Steelworkers | 2531 Geneva Dr, 43701-1963 |
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