| Company | GREAT LAKES MEDICAL IMAGING, LLC |
| Business Number | 4038231 |
| Company | GREAT LAKES MEDICAL BILLING SERVICES LLC |
| Business Number | 4340511 |
| Company | AMTON IMAGING, LLC |
| Business Number | 3689975 |
| Company | HARLEM IMAGING, LLC |
| Business Number | 3656351 |
| Company | LAKESIDE IMAGING, LLC |
| Business Number | 3419485 |