| Business | Phone |
| Bargaining Power 85 8th Ave # 2t, New York 10011 | (212) 995-0477 |
| Guardian Consulting Group Inc 310 E 46th St, New York 10017 | (212) 983-9627 |
| Leeds Morelli & Brown 420 Lexington Ave, New York 10170 | (212) 661-4370 |
| Union Associates 64 2nd Ave, New York 10003 | (212) 505-5566 |
| Organization Resources 1211 Avenue Of The Americas, New York 10036 | (212) 719-3401 |