| Business | Phone |
| Council-Supervisors & Admnstr 16 Court St # 4, Brooklyn 11241 | (718) 852-3000 |
| Csea Assn Inc 180 Livingston St, Brooklyn 11201 | (718) 330-0827 |
| District Council Family Dental 186 Joralemon St, Brooklyn 11201 | (718) 852-1400 |
| Amalgmated Workers Union Local 2366 Flatbush Ave, Brooklyn 11234 | (718) 253-4669 |
| American Maritime Officers 650 4th Ave, Brooklyn 11232 | (718) 965-6727 |
| American Maritime Offices 209 62nd St, Brooklyn 11220 | (718) 238-0108 |
| Apwu 1050 Forbell St, Brooklyn 11256 | (718) 827-0351 |
| Apwu 2859 Linden Blvd, Brooklyn 11208 | (718) 827-0219 |
| Association For Union Dmcrcy 104 Montgomery St, Brooklyn 11225 | (718) 564-1114 |
| Ila Local 1814 70 20th St, Brooklyn 11232 | (718) 499-9600 |
| Carpenter's Local Union 1143 E 92nd St, Brooklyn 11236 | (718) 237-0584 |
| Carpenters Union 102 Commerce St, Brooklyn 11231 | (718) 237-0584 |
| International Union-Elec Wrkrs 160 Montague St, Brooklyn 11201 | (718) 875-5645 |
| International Union-Oper Engrs 330 59th St, Brooklyn 11220 | (718) 492-2462 |
| Chinese Staff & Workers Assoc 5411 7th Ave, Brooklyn 11220 | (718) 633-9748 |
| Communications Workers-America 1845 Utica Ave, Brooklyn 11234 | (718) 444-1109 |
| Seiu 8510 Bay 16th St # 2, Brooklyn 11214 | (718) 837-9832 |
| Subway Supervisor's Assn 350 State St, Brooklyn 11217 | (718) 858-2113 |
| League Of Intl Federated Empls 9903 3rd Ave, Brooklyn 11209 | (718) 238-2399 |
| Teamsters For Democratic Union 104 Montgomery St, Brooklyn 11225 | (718) 287-3283 |
| Theatrical Stage Employees 2917 Glenwood Rd, Brooklyn 11210 | (718) 252-8777 |
| Local 107 United Paper Workers 434 Albee Sq, Brooklyn 11201 | (718) 522-7272 |
| Local 3 Permanent Dist Orgnztn 1809 Gravesend Neck Rd, Brooklyn 11229 | (718) 934-6955 |
| Local 891 Iuoe 125 Stuyvesant Ave # 105a, Brooklyn 11221 | (718) 455-9731 |
| Mail Handlers Union Brooklyn 1050 Forbell St, Brooklyn 11256 | (718) 348-9030 |
| United Federation Of Teachers 335 Adams St # 25, Brooklyn 11201 | (212) 243-0612 |
| United Production Workers 735 Wythe Ave, Brooklyn 11211 | (718) 875-2140 |
| United Teamsters Fund 2137 Utica Ave, Brooklyn 11234 | (718) 421-1936 |
| United Union Of Roofers 467 Dean St, Brooklyn 11217 | (718) 857-3500 |
| United University Professions 450 Clarkson Ave, Brooklyn 11203 | (718) 774-0800 |
| Napfe 1050 Forbell St, Brooklyn 11256 | (718) 827-0445 |
| National Maritime Union 635 4th Ave, Brooklyn 11232 | (718) 832-9812 |
| Ny Nj Teamsters-Democratic Un 500 State St, Brooklyn 11217 | (718) 624-7746 |
| Wine Liquor & Distillery Union 8402 18th Ave, Brooklyn 11214 | (718) 331-2311 |
| Pension Fund 2137 Utica Ave, Brooklyn 11234 | (718) 291-5220 |
| Production Svce & Sales Dist 9201 4th Ave, Brooklyn 11209 | (718) 491-4700 |
| Rwwp Intl Union 325 73rd St, Brooklyn 11209 | (718) 680-0840 |