| OSCEOLA RADIOLOGY ASSOCIATES, P.A.Orlando, FL · Active | Orlando, FL | Corporation | Feb 27, 2003 | Active |
| FOUNDATION RADIOLOGY, INC.Location not reported, FL · Active | Location not reported, FL | Corporation | Sep 27, 2012 | Active |
| CDI MANAGEMENT CORP.Location not reported, FL · Active | Location not reported, FL | Corporation | Dec 30, 1999 | Active |
| RAYUS DCA LLCLocation not reported, FL · Active | Location not reported, FL | LLC | Sep 2, 2021 | Active |
| CDI CENTRAL FLORIDA, LLCLocation not reported, FL · Active | Location not reported, FL | LLC | May 9, 2000 | Active |
| INSIGHT MOBILE FLEET, LLCLocation not reported, FL · Active | Location not reported, FL | LLC | Nov 16, 2020 | Active |
| CDI SAND LAKE, LLCLocation not reported, FL · Active | Location not reported, FL | LLC | Jun 23, 2021 | Active |
| THE RADIOLOGY RESEARCH INSTITUTE, LLCLocation not reported, FL · Active | Location not reported, FL | LLC | Jul 19, 2021 | Active |
| CDI RESEARCH, LLCLocation not reported, FL · Active | Location not reported, FL | LLC | Jul 30, 2021 | Active |
| INSIGHT HEALTH CORP.Location not reported, FL · Active | Location not reported, FL | Corporation | Jun 4, 1984 | Active |
| QUESTAR IMAGING MB, INC.Miami Beach, FL · Inactive | Miami Beach, FL | Corporation | Nov 13, 1995 | Inactive |
| QUESTAR SOUTH CHICAGO, INC.Location not reported, FL · Inactive | Location not reported, FL | Corporation | Mar 16, 1998 | Inactive |
| QUESTAR QUAKERTOWN, INC.Location not reported, FL · Inactive | Location not reported, FL | Corporation | May 21, 1998 | Inactive |
| QUESTAR LOWER BUCKS, INC.Location not reported, FL · Inactive | Location not reported, FL | Corporation | Jun 22, 1998 | Inactive |
| QUESTAR TOLEDO, INC.Location not reported, FL · Inactive | Location not reported, FL | Corporation | Jun 22, 1998 | Inactive |
| QUESTAR PHILADELPHIA, INC.Location not reported, FL · Inactive | Location not reported, FL | Corporation | Jun 22, 1998 | Inactive |
| QUESTAR HENDERSON, INC.Location not reported, FL · Inactive | Location not reported, FL | Corporation | Aug 10, 1998 | Inactive |
| QUESTAR MT. LAUREL, INC.Location not reported, FL · Inactive | Location not reported, FL | Corporation | Aug 10, 1998 | Inactive |
| QUESTAR PALM SPRINGS, INC.Location not reported, FL · Inactive | Location not reported, FL | Corporation | Dec 11, 1998 | Inactive |
| QUESTAR LINCOLN, INC.Location not reported, FL · Inactive | Location not reported, FL | Corporation | Dec 11, 1998 | Inactive |
| QUESTAR TRISTATES, INC.Location not reported, FL · Inactive | Location not reported, FL | Corporation | Dec 14, 1998 | Inactive |
| QUESTAR COLUMBUS, INC.Location not reported, FL · Inactive | Location not reported, FL | Corporation | Apr 9, 1999 | Inactive |
| QUESTAR DES PLAINES, INC.Location not reported, FL · Inactive | Location not reported, FL | Corporation | May 24, 1999 | Inactive |
| QUESTAR NAPERVILLE, INC.Location not reported, FL · Inactive | Location not reported, FL | Corporation | May 24, 1999 | Inactive |
| QUESTAR HFMC, INC.Location not reported, FL · Inactive | Location not reported, FL | Corporation | May 24, 1999 | Inactive |
| QUESTAR CLEVELAND, INC.Location not reported, FL · Inactive | Location not reported, FL | Corporation | May 24, 1999 | Inactive |
| QUESTAR ATLANTA, INC.Location not reported, FL · Inactive | Location not reported, FL | Corporation | May 27, 1999 | Inactive |
| QUESTAR NORTH GEORGIA, INC.Location not reported, FL · Inactive | Location not reported, FL | Corporation | Jun 1, 1999 | Inactive |