| Business | Phone |
| M H Segan & Co 18 E 16th St # 6, New York 10003 | (212) 741-0002 |
| Advance Technology Intl 350 5th Ave, New York 10118 | (212) 947-4735 |
| Quartz Technology Inc 213 W 35th St, New York 10001 | (212) 244-2623 |
| Riverside Research Instistute 156 William St # 9, New York 10038 | (212) 563-4545 |
| Smart Strategies 419 Park Ave S # 806, New York 10016 | (212) 822-2085 |