| K&K JACKSONVILLE PARTNERS LLCNew Smyrna Beach, FL · Inactive | New Smyrna Beach, FL | LLC | Jul 25, 2007 | Inactive |
| PECAN PARK MARKETPLACE PARTNERS, LLC.New Smyrna Beach, FL · Active | New Smyrna Beach, FL | LLC | Feb 27, 2006 | Active |
| PECAN PARK ROAD PARTNERS, LLC.New Smyrna Beach, FL · Inactive | New Smyrna Beach, FL | LLC | May 25, 2005 | Inactive |
| HIKING TRAILS FOR AMERICA, INC.St. Augustine, FL · Active | St. Augustine, FL | Nonprofit | Dec 5, 2013 | Active |
| FRIENDS OF THE FLORIDA TRAIL, INC.St. Augustine, FL · Active | St. Augustine, FL | Nonprofit | Aug 13, 2013 | Active |
| KERN MANAGEMENT, LLCSt. Augustine, FL · Active | St. Augustine, FL | LLC | Jun 24, 2013 | Active |
| LAUREL COTTAGE, LLCSt. Augustine, FL · Active | St. Augustine, FL | LLC | Jul 27, 2011 | Active |
| KERN HOUSE PUBLISHING LLCSt. Augustine, FL · Active | St. Augustine, FL | LLC | Jun 19, 2008 | Active |
| LTC RANCH INDUSTRIAL/COMMERCIAL PARK MASTER PROPERTY OWNERS' ASSOCIATION, INC.St. Augustine, FL · Active | St. Augustine, FL | Nonprofit | May 30, 2001 | Active |
| AMERICAN PARKLAND, INC.Miami, FL · Inactive | Miami, FL | Corporation | Apr 5, 1971 | Inactive |
| AERIAL TRAILS, INC.Miami, FL · Inactive | Miami, FL | Corporation | Jun 19, 1978 | Inactive |
| GEOFF-LEIGH ENTERPRISES, INC.Miami, FL · Inactive | Miami, FL | Corporation | Nov 14, 1978 | Inactive |
| J.A.K. TURNPIKE PROPERTIES, LTD.Miami, FL · Inactive | Miami, FL | Partnership | Feb 10, 1977 | Inactive |
| MARTIN REGENCY, LTD.Miami, FL · Inactive | Miami, FL | Partnership | Dec 27, 1984 | Inactive |
| LTC RANCH LIMITED PARTNERSHIPSt. Augustine, FL · Active | St. Augustine, FL | Partnership | Dec 23, 1986 | Active |
| LTC RANCH LIMITED PARTNERSHIP IISt. Augustine, FL · Active | St. Augustine, FL | Partnership | May 9, 1988 | Active |
| K JACKSONVILLE PARTNERS, LTD.St. Augustine, FL · Inactive | St. Augustine, FL | Partnership | May 12, 1988 | Inactive |
| LEM TURNER JACKSONVILLE, LTD.St. Augustine, FL · Active | St. Augustine, FL | Partnership | May 23, 1989 | Active |
| MARSHALL CREEK DEVELOPMENT COMPANYSt. Augustine, FL · Inactive | St. Augustine, FL | Corporation | Nov 18, 1982 | Inactive |
| THE KERN COMPANYSt. Augustine, FL · Active | St. Augustine, FL | Corporation | Jan 20, 1987 | Active |
| ATLANTIC SEACRAFT LLCSt. Augustine, FL · Inactive | St. Augustine, FL | LLC | Mar 25, 2004 | Inactive |
| MERLIN HOLDINGS, LLC.Miami, FL · Inactive | Miami, FL | LLC | Feb 15, 2006 | Inactive |
| LTCJV LENDING PARTNERS, LLCSt. Augustine, FL · Inactive | St. Augustine, FL | LLC | Jun 26, 2018 | Inactive |
| THE HIKER'S GRAND SLAM INC.St. Augustine, FL · Inactive | St. Augustine, FL | Nonprofit | Aug 14, 1998 | Inactive |
| MIAMI MACHETE WORKS, INC.St. Augustine, FL · Inactive | St. Augustine, FL | Corporation | Dec 18, 1996 | Inactive |
| KERN TREKKING & TRAVEL, INC.St. Augustine, FL · Inactive | St. Augustine, FL | Corporation | Feb 22, 1999 | Inactive |
| THE GATEWAY TO SARASOTA, INC.South Miami, FL · Inactive | South Miami, FL | Corporation | Oct 26, 1990 | Inactive |