| Name | Address, Zip |
| The Uaw Local No 1112 Building Corporation | 11471 Reuther Dr Sw, 44481-9532 |
| International Union United Auto Aerospace & Agricultural Workers | 11471 Reuther Dr Sw, 44481-9532 |
| International Union United Auto Aerospace & Agricultural Workers | 11471 Reuther Dr Sw, 44481-9532 |
| Laborers International Union Of North America | 465 West Market Street, 44481-1068 |
| Communication Workers Of America | Po Box 4396, 44482-4396 |
| American Federation Of Musicians Of The Us & Canada | 116 Pine Ave Ne, 44481-1232 |
| American Federation Of State County & Municipal Employees | 391 Mahoning Ave Nw, 44483-4604 |
| American Federation Of State County & Municipal Employees | Po Box 827, 44482-0827 |
| American Federation Of Teachers | 1824 Salt Springs Rd, 44481-9735 |
| American Federation Of Teachers | 910 Cardiff Lane Ext Se, 44484-3146 |
| American Federation Of State County & Municipal Employees | 802 Tod Ave Nw, 44485-2824 |
| American Federation Of State County & Municipal Employees | 382 Earl Dr Nw, 44483-1114 |
| American Federation Of State County & Municipal Employees | 8747 Squires Ln Ne, 44484-1649 |
| American Federation Of State County & Municipal Employees | 191 Perkinswood Blvd Se, 44483-6215 |
| International Association Of Fire Fighters | 139 Champion Ave W, 44483-1413 |
| Warren Education Association | 105 High St Ne, 44481-1219 |
| International Association Of Fire Fighters | 169 Niles Cortland Rd Ne, 44484-1937 |
| Youngstown Education Association | 425 Niles Cortland Rd Se, 44484-2478 |
| International Association Of Fire Fighters | 111 South St Sw, 44483-5735 |
| Labrae Teachers Association | 341 S Linden Ct, 44484-6031 |
| Trumbull County Board Professional Staff Association | 290 Perkinswood Blvd Ne, 44483-4402 |
| Warren Secretarial Association | 105 High St Ne, 44481-1219 |
| International Brotherhood Of Electrical Workers | 4550 Research Pkwy Nw, 44483-1972 |
| International Brotherhood Of Electrical Workers | Po Box 47, 44482-0047 |
| United Steelworkers | 5085 Parkman Rd Nw, 44481-9140 |
| United Steelworkers | 684 N Park Ave, 44483-4803 |
| United Steelworkers | 3752 N Park Avenue Ext, 44481-9370 |
| United Steelworkers | 684 Warren Park Ave, 44483 |
| United Steelworkers | 684 N Park Ave, 44483-4803 |
| United Steelworkers | 684 N Park Ave, 44483-4803 |
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