| Name | Address, Zip |
|---|
| Nalc Branch 13 | Po Box 504, 49443-0504 |
| Muskegon Firefighters Local 370 | 770 Terrace St, 49440-1121 |
| Egelston Township Professional Fire Firefighters Local 3901 Of The Ia | 5380 E Apple Ave, 49442-3053 |
| International Union United Auto Aerospace & Agricultural Workers O | 1950 Industrial Blvd, 49442-6114 |
| International Union United Auto Aerospace & Agricultural Workers | 490 W Western Ave, 49440-1041 |
| International Union United Auto Aerospace & Agricultural Workers | 490 W Western Ave, 49440-1041 |
| International Union United Auto Aerospace & Agricultural Workers | 490 W Western Ave, 49440-1041 |
| Utility Workers Union Of America Afl-cio | 490 W Western Ave, 49440-1041 |
| American Federation Of State County & Municipal Employees | 2933 9th St, 49444-1932 |
| American Postal Workers Union | Po Box 423, 49443-0423 |
| American Federation Of State County & Municipal Employees | 3536 Reginald Dr, 49444-4127 |
| American Postal Workers Union | Po Box 423, 49443-0423 |
| Association Non-instructional Employees-muskegon Public Schools | 3949 Forest Edge Rd, 49442-2795 |
| International Association Of Fire Fighters | 1117 S Walker Rd, 49442-4549 |
| Muskegon Community College Faculty Association | 465 Glen Oaks Dr Apt 3a, 49442-2358 |
| International Association Of Fire Fighters | 3368 Black Creek Rd, 49444-3408 |
| West Michigan Chapter Mea-r | 1632 Beidler St, 49441-2326 |
| Michigan Union Of Healthcare Workers | 3100 W Giles Rd, 49445-8618 |
| United Steelworkers | 2073 Morton Ave, 49441-1589 |
| United Steelworkers | 1355 W Giles Rd, 49445-1160 |
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