| Company | NEW YORK ANESTHESIA, P.C. |
| Business Number | 4644841 |
| Company | MAIN I INVESTMENT, LLC |
| Business Number | 2887220 |
| Company | CHARTER DIAGNOSTIC LABORATORIES, INC. |
| Business Number | 1912009 |
| Company | QUEENS CHARTER PROPERTIES, INC. |
| Business Number | 1879819 |
| Company | THE SURGICAL SOCIETY OF THE NEW YORK HOSPITAL-MEDICAL CENTER OF QUEENS, INC. |
| Business Number | 755025 |