| PAUL & SHERRI STANLEY, LTD.Tampa, FL · Inactive | Tampa, FL | Partnership | Oct 27, 2000 | Inactive |
| TOWER ADVANCED MRI, LLLPTampa, FL · Inactive | Tampa, FL | Partnership | Nov 5, 1986 | Inactive |
| BARDMOOR CARDIOVASCULAR IMAGING, LTD.Tampa, FL · Inactive | Tampa, FL | Partnership | Oct 8, 1998 | Inactive |
| QUANTUM DIAGNOSTICS OF FLORIDA, INC.Tampa, FL · Inactive | Tampa, FL | Corporation | Mar 25, 1987 | Inactive |
| P & S STANLEY MANAGEMENT, LLCTampa, FL · Inactive | Tampa, FL | LLC | Aug 23, 2010 | Inactive |
| P.S. 2000, INC.Tampa, FL · Inactive | Tampa, FL | Corporation | Feb 10, 2000 | Inactive |
| FINAO CORPORATIONTemple Terrace, FL · Inactive | Temple Terrace, FL | Corporation | Jun 17, 2002 | Inactive |
| CARDIOSLEEP, INC.Tampa, FL · Inactive | Tampa, FL | Corporation | Dec 13, 2005 | Inactive |
| MEDITEK-NASHVILLE, INC.Tampa, FL · Inactive | Tampa, FL | Corporation | Jan 29, 1993 | Inactive |
| STANLEY MEDICAL ASSOCIATES, INC.Tampa, FL · Inactive | Tampa, FL | Corporation | May 7, 1993 | Inactive |
| KANSAS OPENSCAN MRI, INC.Tampa, FL · Inactive | Tampa, FL | Corporation | Sep 5, 1996 | Inactive |
| QUANTUM LASER SERVICES, INC.Ocala, FL · Inactive | Ocala, FL | Corporation | Mar 5, 1997 | Inactive |
| QUESTAR TREASURE COAST, INC.Tampa, FL · Inactive | Tampa, FL | Corporation | Apr 23, 1998 | Inactive |
| QUESTAR TGH, INC.Tampa, FL · Inactive | Tampa, FL | Corporation | Jun 8, 1998 | Inactive |
| QUESTAR WEST PALM, INC.Location not reported, FL · Inactive | Location not reported, FL | Corporation | Aug 31, 1998 | Inactive |
| QUESTAR SUN COAST HEART CATH, INC.Tampa, FL · Inactive | Tampa, FL | Corporation | Oct 5, 1998 | Inactive |
| QUESTAR PALATINE, INC.Tampa, FL · Inactive | Tampa, FL | Corporation | Oct 5, 1998 | Inactive |
| QUESTAR OAKLAND, INC.Tampa, FL · Inactive | Tampa, FL | Corporation | Oct 7, 1998 | Inactive |
| QUESTAR CARDIAC VENTURES, INC.Tampa, FL · Inactive | Tampa, FL | Corporation | Jan 11, 1999 | Inactive |
| QUESTAR MOBILE MRI, INC.Tampa, FL · Inactive | Tampa, FL | Corporation | Jan 12, 1999 | Inactive |
| QUESTAR MEDICAL IMAGING, INC.Tampa, FL · Inactive | Tampa, FL | Corporation | May 28, 1999 | Inactive |
| QUESTAR VENTURES, INC.Tampa, FL · Inactive | Tampa, FL | Corporation | May 28, 1999 | Inactive |
| QMRI, INC.Tampa, FL · Inactive | Tampa, FL | Corporation | May 28, 1999 | Inactive |
| QUANTUM MEDICAL PARTNERS, INC.Tampa, FL · Inactive | Tampa, FL | Corporation | Jul 20, 1999 | Inactive |