| Business | Phone |
| Applied Economic Research Co 299 Broadway # 309, New York 10007 | (212) 608-1904 |
| Economic Strategies 654 Madison Ave # 1000, New York 10021 | (212) 688-2460 |
| Feri Corp 745 5th Ave, New York 10151 | (212) 593-9690 |
| Fiber Inc 60 E 42nd St, New York 10165 | (212) 972-8109 |
| Harlem Commonwealth Council 361 W 125th St, New York 10027 | (212) 749-0900 |
| Indicator Research Group Inc 641 Lexington Ave # 1400, New York 10022 | (212) 421-6161 |
| Integral Research 14 E 4th St # 408, New York 10012 | (212) 533-1500 |
| Kafan Fx Information Svc 1133 Broadway, New York 10010 | (212) 865-6766 |
| Law & Economics Inc 201 E 42nd St # 21, New York 10017 | (212) 883-6289 |
| Lecg 675 3rd Ave # 21, New York 10017 | (212) 468-7878 |
| Predex Corp 1170 5th Ave, New York 10029 | (212) 319-6400 |
| Stratecon Corp 235 E 87th St, New York 10128 | (212) 860-0447 |
| Zielonka Research 421 Hudson St, New York 10014 | (212) 627-7740 |
| Lmc Intl 1841 Broadway # 611, New York 10023 | (212) 586-2427 |
| Penn Schoen & Berland 245 E 92nd St # 1, New York 10128 | (212) 534-4000 |