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| ADVENT PHARMACEUTICALS, LLCSt. Petersburg, FL · Inactive | St. Petersburg, FL | LLC | Mar 15, 2006 | Inactive |
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| ADVENT SLEEP CENTERS, LLCSt. Petersburg, FL · Inactive | St. Petersburg, FL | LLC | Mar 14, 2007 | Inactive |
| ADVENT SLEEP CENTER AT PARK BLVD., LLCSt. Petersburg, FL · Inactive | St. Petersburg, FL | LLC | Mar 14, 2007 | Inactive |
| ADVENT RESEARCH, LLCSt. Peterburg, FL · Inactive | St. Peterburg, FL | LLC | Mar 14, 2007 | Inactive |
| ALL FLORIDA CENTER FOR CLINICAL RESEARCH, LLCPinellas Park, FL · Inactive | Pinellas Park, FL | LLC | Nov 20, 2009 | Inactive |
| PARK CENTER FOR CLINICAL RESEARCH, LLCPinellas Park, FL · Inactive | Pinellas Park, FL | LLC | Nov 20, 2009 | Inactive |
| SARASOTA CENTER FOR CLINICAL RESEARCH, LLCPinellas Park, FL · Inactive | Pinellas Park, FL | LLC | Nov 20, 2009 | Inactive |
| PINELLAS CENTER FOR CLINICAL RESEARCH, LLCPinellas Park, FL · Inactive | Pinellas Park, FL | LLC | Nov 20, 2009 | Inactive |
| DALE G. BRAMLET, M.D., P.L.Pinellas Park, FL · Inactive | Pinellas Park, FL | LLC | Feb 24, 2010 | Inactive |
| HOPE WELLNESS CENTER LLCPinellas Park, FL · Inactive | Pinellas Park, FL | LLC | Nov 26, 2013 | Inactive |
| ADVENT RESEARCH LLCPinellas Park, FL · Inactive | Pinellas Park, FL | LLC | Aug 15, 2017 | Inactive |
| REEVAL LLCPinellas Park, FL · Inactive | Pinellas Park, FL | LLC | Jul 23, 2018 | Inactive |
| PARK WELLNESS CENTER LLCPinellas Park, FL · Inactive | Pinellas Park, FL | LLC | Mar 18, 2019 | Inactive |
| MID-COUNTY SERVICES LLCLocation not reported, FL · Active | Location not reported, FL | LLC | Sep 23, 2021 | Active |
| MAKE A DIFFERENCE HEALTHCARE FOUNDATION, INC.St. Petersburg, FL · Inactive | St. Petersburg, FL | Nonprofit | Dec 20, 2004 | Inactive |
| ADVENT CLINICAL RESEARCH CENTERS, INC.Pinellas Park, FL · Inactive | Pinellas Park, FL | Corporation | Jul 3, 2002 | Inactive |
| GULFCOAST MEDICAL CARE AND GERIATRICS, INC.St. Petersburg, FL · Inactive | St. Petersburg, FL | Corporation | Jan 12, 2006 | Inactive |
| NAUTILUS PROPERTY MANAGEMENT COMPANYPinellas Park, FL · Inactive | Pinellas Park, FL | Corporation | Oct 9, 2006 | Inactive |
| ADVENT RESEARCH, INC.Pinellas Park, FL · Inactive | Pinellas Park, FL | Corporation | Dec 27, 2006 | Inactive |
| NAUTILUS PHARMACEUTICALS, INC.Pinellas Park, FL · Inactive | Pinellas Park, FL | Corporation | Nov 30, 2007 | Inactive |
| PARK BOULEVARD I MANAGEMENT, INC.Pinellas Park, FL · Inactive | Pinellas Park, FL | Corporation | Jun 22, 2015 | Inactive |
| ADVENT ORTHOPEDICS AND NEUROSURGERY PAPinellas Park, FL · Inactive | Pinellas Park, FL | Corporation | Nov 12, 2015 | Inactive |