| MARK WALTER LLCBrandon, FL · Active | Brandon, FL | LLC | Jun 4, 2018 | Active |
| NANOSURGERY ORTHOPEDIC INSTITUTE LLCSarasota, FL · Inactive | Sarasota, FL | LLC | Jan 18, 2019 | Inactive |
| NANOSURGERY TECHNOLOGY CORPORATIONSarasota, FL · Active | Sarasota, FL | Corporation | Feb 28, 2017 | Active |
| WINDSTAR MANAGEMENT, LLCSarasota, FL · Inactive | Sarasota, FL | LLC | May 18, 2009 | Inactive |
| SANDHURST INC.Location not reported, FL · Inactive | Location not reported, FL | Corporation | May 20, 2003 | Inactive |
| NA FLOORING OF FLORIDA, INC.Boca Raton, FL · Inactive | Boca Raton, FL | Corporation | May 4, 2018 | Inactive |
| RE:CAR, INC.Location not reported, FL · Active | Location not reported, FL | Corporation | Jun 28, 2023 | Active |
| PALM BEACH BILLING CONSULTANTS, LLCSunrise, FL · Inactive | Sunrise, FL | LLC | Dec 14, 2001 | Inactive |
| PRANA MANAGEMENT LLCSarasota, FL · Inactive | Sarasota, FL | LLC | Feb 1, 2006 | Inactive |
| WALTER SQUARED, LLCAltamonte Springs, FL · Inactive | Altamonte Springs, FL | LLC | May 14, 2009 | Inactive |
| TAX LIEN ADVANTAGE, LLCMerritt Island, FL · Inactive | Merritt Island, FL | LLC | Jan 23, 2012 | Inactive |
| S70, LLC.Location not reported, FL · Active | Location not reported, FL | LLC | May 29, 2013 | Active |
| THE JACKSONVILLE MASTERWORKS CHORALE, INC.Jacksonville, FL · Inactive | Jacksonville, FL | Nonprofit | Nov 1, 1999 | Inactive |
| SHERIDAN MEDICAL GROUP, INC.Sunrise, FL · Inactive | Sunrise, FL | Corporation | Oct 18, 2000 | Inactive |
| SHERIDAN EMERGENCY PHYSICIAN SERVICES OF LOUISIANA, INC.Sunrise, FL · Inactive | Sunrise, FL | Corporation | Mar 22, 2002 | Inactive |
| ALL WOMEN'S HEALTHCARE OF SOUTH FLORIDA, INC.Sunrise, FL · Inactive | Sunrise, FL | Corporation | Jan 14, 2004 | Inactive |
| ALL WOMEN'S HEALTHCARE OF PLANTATION, INC.Sunrise, FL · Inactive | Sunrise, FL | Corporation | Jan 14, 2004 | Inactive |
| WALTER FLOOR COATINGS, INC.Largo, FL · Inactive | Largo, FL | Corporation | Jul 6, 2004 | Inactive |
| SHERIDAN HEALTHCARE OF ARIZONA, INC.Sunrise, FL · Inactive | Sunrise, FL | Corporation | Sep 16, 2005 | Inactive |
| ADVANCED ACCESS SYSTEMS, INC.Singer Island, FL · Inactive | Singer Island, FL | Corporation | Jul 31, 1996 | Inactive |
| 1141 NORTH OCEAN, INC.Singer Island, FL · Inactive | Singer Island, FL | Corporation | Apr 21, 1992 | Inactive |