| Company | PARKWAY CARDIOVASCULAR RESOURCES, LLC |
| Business Number | 3681191 |
| Company | PARKWAY ACQUISITION I, LLC |
| Business Number | 3468699 |
| Company | PARKWAY CARDIAC TESTING, LLC |
| Business Number | 2049883 |
| Company | QUEENS MEDICAL MANAGEMENT SERVICES, L.L.C. |
| Business Number | 1927958 |