| Name | Address, Zip |
| Worcester Firefighters Association Local 1009 Iaff Inc | 625 Chandler St, 01602-1777 |
| United Brotherhood Of Carpenters & Joiners Of America 107 | 29 Endicott St, 01610-1860 |
| Local Un No 336 Of The United Brthd Of Carpenters & Joiners Of Amer | 29 Endicott St, 01610-1860 |
| Utility Workers Union Of America Afl-cio | 180 Greenwood St, 01607-1610 |
| International Association Of Sheet Metal Air Rail & Transportation | 190 Fairhaven Rd, 01606-3135 |
| National Air Traffic Controllers Association | 18 Coppage Dr, 01603-1252 |
| International Alliance Theatrical Stage Employees & Moving Picture | Po Box 582, 01613-0582 |
| Amalgamated Transit Union | 100 Barber Ave At Higgins Armory, 01606-2464 |
| Laborers International Union Of North America | 16 Westbrook Rd, 01602-1545 |
| American Federation Of State County & Municipal Employees | 324 Clark St, 01606-1214 |
| American Federation Of Teachers | 5 Chestnut Hill Ln, 01609-1178 |
| American Federation Of Government Employee | 34 Brighton Rd, 01606-2129 |
| Webster Instructional Assistants Assc | 20 Ames Street, 01610-3180 |
| New England Police Benevolent Association Inc | 100 Grove St Ste 113, 01605-2627 |
| Massachusetts Teachers Association | 120 Chester St, 01605-1044 |
| National Association Of Government Employees | Po Box 585, 01613-0585 |
| National Association Of Government Employees | 9-11 Lincoln Sq, 01608-1143 |
| National Association Of Letter Carriers | 55 Park Ave, 01605-3921 |
| Massachusetts Police Association Legal Defense Fund Inc | Po Box 3098, 01613-3098 |
| International Brotherhood Of Teamsters | 330 Southwest Cutoff, 01604-2730 |
| International Brotherhood Of Electrical Workers | 242 Mill St, 01602-3111 |
| International Brotherhood Of Electrical Workers | 367 Burncoat St, 01606-3130 |
| International Brotherhood Of Teamsters | 330 Southwest Cutoff, 01604-2730 |
| Worcester St | 486 Chandler St, 01602-2861 |
| United Steelworkers | Po Box 70124, 01607-0124 |
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