| Business | Phone |
| Afscme 884 267 Chapel St, New Haven 6513 | (203) 865-5413 |
| Typographical Union 267 Chapel St, New Haven 6513 | (203) 562-0653 |
| Unite Here 425 College St, New Haven 6511 | (203) 865-7315 |
| United Electrical Radio & Mach 100 Sargent Dr, New Haven 6511 | (203) 562-9220 |
| United Electrical Radio & Mach 267 Chapel St, New Haven 6513 | (203) 624-0410 |
| Victory Lodge 344 Winchester Ave, New Haven 6511 | (203) 562-2683 |
| Teamsters 200 Wallace St, New Haven 6511 | (203) 624-5185 |
| Teamsters Transportation Svc 200 Wallace St, New Haven 6511 | (203) 624-9817 |
| Painters Local 186 Jobs Prgrm 45 Water St, New Haven 6511 | (203) 776-4114 |
| Federation Of Hospital & Univ 129 Church St # 521, New Haven 6510 | (203) 785-1367 |
| Federation Of Hospital & Univ 425 College St, New Haven 6511 | (203) 785-9494 |
| New Haven Federation-Teachers 267 Chapel St, New Haven 6513 | (203) 773-0266 |
| New Haven Firefighters 350 Ferry St, New Haven 6513 | (203) 865-6597 |
| New Haven Police Union 1 Union Ave, New Haven 6519 | (203) 776-0908 |
| Iatse 247 College St, New Haven 6510 | (203) 773-9139 |