| SINGH JOHNSTON CHARITABLE FOUNDATION INC.Coral Gables, FL · Active | Coral Gables, FL | Nonprofit | Dec 16, 2021 | Active |
| MARATHON MARLIN, LLCCoral Gables, FL · Active | Coral Gables, FL | LLC | Jun 19, 2017 | Active |
| KNIGHT'S KEY ROAD, LLCCoral Gables, FL · Active | Coral Gables, FL | LLC | Apr 9, 2015 | Active |
| SINGH INVESTORS, LLCCoral Gables, FL · Active | Coral Gables, FL | LLC | Oct 26, 2012 | Active |
| ANN ELIZABETH, LLCCoral Gables, FL · Active | Coral Gables, FL | LLC | Aug 20, 2010 | Active |
| SINGH RESORTS, INC.Coral Gables, FL · Active | Coral Gables, FL | Corporation | Jan 18, 2005 | Active |
| MISTY FJORDS, LLCCoral Gables, FL · Active | Coral Gables, FL | LLC | Oct 6, 2004 | Active |
| SINGH CABLE COMPANY, LLCKey West, FL · Active | Key West, FL | LLC | Aug 31, 2010 | Active |
| KENNEDY BUILDING ASSOCIATES, LLCCoral Gables, FL · Inactive | Coral Gables, FL | LLC | Dec 6, 2002 | Inactive |
| BOAT HOUSE ASSOCIATES, LLCKey West, FL · Inactive | Key West, FL | LLC | Oct 10, 2006 | Inactive |
| SINGH MARATHON RESORT PROPERTIES, LLCKey West, FL · Inactive | Key West, FL | LLC | Sep 17, 2007 | Inactive |
| TB 76, LLCKey West, FL · Inactive | Key West, FL | LLC | Apr 22, 2008 | Inactive |
| 68TH - OVERSEAS, LLCKey West, FL · Inactive | Key West, FL | LLC | Apr 24, 2008 | Inactive |
| 34 PARROT KEY, LLC.Key West, FL · Inactive | Key West, FL | LLC | Aug 25, 2008 | Inactive |
| 35 PARROT KEY, LLCKey West, FL · Inactive | Key West, FL | LLC | Sep 4, 2008 | Inactive |
| PARROT KEY ASSOCIATES, LLCKey West, FL · Inactive | Key West, FL | LLC | Apr 6, 2009 | Inactive |
| SINGH FAMILY TRANQUILITY BAY, LLCCoral Gables, FL · Inactive | Coral Gables, FL | LLC | Dec 4, 2012 | Inactive |
| SINGH FAMILY PARROT KEY, LLCKey West, FL · Inactive | Key West, FL | LLC | Dec 4, 2012 | Inactive |
| SINGH FAMILY SEAPORT, LLCKey West, FL · Inactive | Key West, FL | LLC | Dec 4, 2012 | Inactive |
| OSM SLIPS, LLCKey West, FL · Inactive | Key West, FL | LLC | Jan 30, 2013 | Inactive |
| SUMMERLAND PALMS INVESTORS, LLCKey West, FL · Inactive | Key West, FL | LLC | Mar 7, 2013 | Inactive |
| COCO PALMS DEVELOPERS, LLCKey West, FL · Inactive | Key West, FL | LLC | Aug 19, 2013 | Inactive |
| BANANA BAY INVESTORS, LLCKey West, FL · Inactive | Key West, FL | LLC | Sep 20, 2013 | Inactive |
| SUNCREST INVESTORS, LLCKey West, FL · Inactive | Key West, FL | LLC | Jan 24, 2014 | Inactive |
| 6840 MARINA, LLCKey West, FL · Inactive | Key West, FL | LLC | Apr 1, 2014 | Inactive |
| TDR PARCELS, LLCKey West, FL · Inactive | Key West, FL | LLC | Apr 7, 2014 | Inactive |
| BBI TWO, LLCKey West, FL · Inactive | Key West, FL | LLC | Jun 2, 2014 | Inactive |
| OCEANSIDE 104, LLCCoral Gables, FL · Inactive | Coral Gables, FL | LLC | Jul 16, 2014 | Inactive |
| KNIGHTS KEY HOUSING, LLCKey West, FL · Inactive | Key West, FL | LLC | Oct 20, 2015 | Inactive |
| SINGH HOTELS, LLCKey West, FL · Inactive | Key West, FL | LLC | Oct 22, 2015 | Inactive |
| KNIGHT'S KEY MANAGEMENT, LLCCoral Gables, FL · Inactive | Coral Gables, FL | LLC | Nov 4, 2015 | Inactive |
| WOOD ROAD INVESTORS, LLCCoral Gables, FL · Inactive | Coral Gables, FL | LLC | Aug 9, 2016 | Inactive |
| OWN THE BOAT LLCMarathon, FL · Inactive | Marathon, FL | LLC | Dec 5, 2018 | Inactive |
| MARATHON RESORT MANAGEMENT, INC.Key West, FL · Inactive | Key West, FL | Corporation | Dec 2, 2003 | Inactive |
| BOAT HOUSE ASSOCIATES, INC.Key West, FL · Inactive | Key West, FL | Corporation | Jul 7, 2005 | Inactive |
| PK MANAGEMENT, INC.Key West, FL · Inactive | Key West, FL | Corporation | Feb 2, 2007 | Inactive |
| KEY WEST GOLF CLUB DEVELOPMENT, INC.Coral Gables, FL · Inactive | Coral Gables, FL | Corporation | Oct 17, 1994 | Inactive |
| THE SINGH COMPANYKey West, FL · Active | Key West, FL | Corporation | Oct 21, 1996 | Active |
| SINGH REAL ESTATE CO.Coral Gables, FL · Inactive | Coral Gables, FL | Corporation | Dec 18, 1996 | Inactive |