| Business | Phone |
| American Federation-State Empl 4740 21st St # 9, Long Island City 11101 | (718) 729-8220 |
| Seiu Local 74 2409 38th Ave, Long Island City 11101 | (718) 729-7400 |
| Sheet Metal Workers 2142 44th Dr, Long Island City 11101 | (718) 937-4514 |
| Teamsters Local Union 805 4461 11th St, Long Island City 11101 | (718) 609-6402 |
| Tri State Tile Marble 4534 Court Sq, Long Island City 11101 | (718) 786-7648 |
| United Auto Workers 3007 39th Ave, Long Island City 11101 | (718) 392-3600 |
| United Derrickmen & Riggers 2519 43rd Ave, Long Island City 11101 | (718) 361-6534 |
| United Service Employees Local 2927 41st Ave # 1006, Long Island City 11101 | (718) 392-8810 |
| Seiu Local 2509 38th Ave, Long Island City 11101 | (718) 472-1627 |
| Steamfitters Industry Training 4803 32nd Pl, Long Island City 11101 | (718) 706-0218 |
| Steamfitters Industry Welfare 3232 48th Ave, Long Island City 11101 | (718) 392-5792 |
| Plumbing Industry Board Trade 3711 47th Ave, Long Island City 11101 | (718) 752-9630 |
| Publishers-Newspaper & Mail 4118 27th St, Long Island City 11101 | (718) 729-7652 |
| Marble Industries 4534 Court Sq, Long Island City 11101 | (718) 786-4390 |
| Local 138 Pension Trust Fund 4120 Crescent St, Long Island City 11101 | (718) 784-0740 |
| Local 2507 4709 30th St # 3, Long Island City 11101 | (718) 371-0310 |
| Local 455 Shopmen Intl Assn 4005 Crescent St, Long Island City 11101 | (718) 361-9455 |
| Local Union 3243 49th St # 1, Long Island City 11103 | (718) 726-2525 |
| Ibew 3243 49th St, Long Island City 11103 | (718) 274-5353 |
| International Brotherhood 4518 Court Sq # 600, Long Island City 11101 | (718) 937-7010 |
| International Teamsters 3301 38th Ave # 2, Long Island City 11101 | (718) 392-4510 |
| International Teamsters Local 3421 Review Ave, Long Island City 11101 | (718) 786-5700 |
| International Union-Elevator 4724 27th St, Long Island City 11101 | (718) 767-7004 |
| Intl Brotherhood-Teamsters 2243 Jackson Ave, Long Island City 11101 | (718) 389-1900 |
| Iron Workers Welfare Fund 4005 Crescent St, Long Island City 11101 | (718) 361-0780 |
| Entreprise Assn Of Steamfitter 3232 48th Ave, Long Island City 11101 | (718) 392-5091 |
| Exhibition Employees Union 2927 41st Ave, Long Island City 11101 | (718) 786-2525 |
| Cement & Concrete Workers 3636 33rd St # 302, Long Island City 11106 | (718) 361-8131 |
| Central Labor Council Wrkfrc 3626 37th St, Long Island City 11101 | (718) 349-1390 |
| Communications Workers-America 2504 41st Ave, Long Island City 11101 | (718) 392-8026 |
| Communications Workers-America 4107 Crescent St, Long Island City 11101 | (718) 729-6059 |
| Bakery & Confectionary Wrkrs 4107 Crescent St, Long Island City 11101 | (718) 784-3476 |
| Bakery & Pastry Drivers 4120 Crescent St, Long Island City 11101 | (718) 361-2711 |
| Bricklayers Union 4 Court Sq # 1, Long Island City 11101 | (718) 392-0525 |
| Cake Bakers Union Welfare Fund 4107 Crescent St, Long Island City 11101 | (718) 784-2927 |