| Name | Address, Zip |
| The Wallingford Management Union Local 424 Unit 17 | Po Box 1776, 06492-7476 |
| Sheet Metal Workers Local 17 Nh Training Fund | 10 Technology Dr, 06492-1955 |
| Wallingford United Municipal Employees Local 2019 | 1046 Durham Rd, 06492-2525 |
| United Brotherhood Of Carpenters & Joiners Of America 24 | 500 Main St, 06492-1722 |
| Sheet Metal Workers International Association 31 | 53 Hill Ave, 06492-2248 |
| Asbestos Workers Local 33 Apprentice Training & Educational | 618 S Colony Rd, 06492-5154 |
| Association Of Council 4 Employees | 376 Williams Rd, 06492-2649 |
| International Association Of Heat & Frost Insulators & Allied Workers | 616 S Colony Rd, 06492-5154 |
| International Association Of Heat & Frost Insulators & Allied Workers | 616 S Colony Rd, 06492-5154 |
| International Union Of Bricklayers And Allied Craftworkers | 17 N Plains Industrial Rd, 06492-5841 |
| United Brotherhood Of Carpenters & Joiners Of America | 500 Main St, 06492-1722 |
| American Federation Of State County & Municipal Employees | 91 Franklin St, 06492-4117 |
| American Federation Of Teachers | Po Box 5817, 06492-7617 |
| American Federation Of Teachers | 439 Main St, 06492-2262 |
| American Federation Of State County & Municipal Employees | 100 Barnes Rd, 06492-1897 |
| American Federation Of State County & Municipal Employees | 2 North Plains Industrial Rd 1st F, 06492-2381 |
| United Food And Commercial Workers International Union | Po Box 613, 06492-0613 |
| New Haven County Retired Teachers Assoc | 41 Nicholas Rd, 06492-5610 |
| Connecticut Education Association | 80 South Main Street Ste7, 06492-4222 |
| Connecticut Education Association | 25 Merriman Ln, 06492-2087 |
| Brotherhood Of Maintenance Of Way Employees | 12 Wallace Place, 06492-4081 |
| International Brotherhood Of Electrical Workers Local Union No | 2 North Plains Industrial Rd, 06492-2381 |
| International Brotherhood Of Electrical Workers | Two North Plains Industrial Road, 06492-2381 |
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