| Business | Phone |
| Cathedral Management Inc 301 Cathedral Pkwy # B, New York 10026 | (212) 665-6942 |
| Globemed Inc 200 W 58th St, New York 10019 | (212) 307-1151 |
| Space 508 W 26th St, New York 10001 | (212) 230-9292 |
| Medical Resource Group 632 Broadway, New York 10012 | (212) 677-7700 |