| ATLANTIC AND EAST COAST TERMINAL COMPANYSt. Augustine, FL · Inactive | St. Augustine, FL | Corporation | Jul 12, 1905 | Inactive |
| FLORIDA EAST COAST HIGHWAY DISPATCH CO.St. Augustine, FL · Inactive | St. Augustine, FL | Corporation | Apr 28, 1961 | Inactive |
| FLORIDA EAST COAST INSPECTIONS, INC.Location not reported, FL · Inactive | Location not reported, FL | Corporation | Aug 21, 1969 | Inactive |
| OPERATIONS UNLIMITED, INC.St. Augustine, FL · Inactive | St. Augustine, FL | Corporation | Sep 10, 1976 | Inactive |
| AL-ZAR, LTD.Jacksonville, FL · Inactive | Jacksonville, FL | Partnership | Apr 6, 1983 | Inactive |
| ELECTRONIC SYSTEMS, INC.Virginia Beach, FL · Inactive | Virginia Beach, FL | Corporation | Jan 2, 2008 | Inactive |
| AVPRESENTATIONS, INC.Location not reported, FL · Inactive | Location not reported, FL | Corporation | Jan 2, 2008 | Inactive |
| MWB COPY PRODUCTS, INC.Location not reported, FL · Inactive | Location not reported, FL | Corporation | Jan 2, 2008 | Inactive |
| ARIZONA OFFICE TECHNOLOGIES, INC.Location not reported, FL · Inactive | Location not reported, FL | Corporation | Jan 2, 2008 | Inactive |
| PAINE & ASSOCIATES, CONSULTING ENGINEERS, INC.St. Augustine, FL · Inactive | St. Augustine, FL | Corporation | Sep 16, 1981 | Inactive |
| ST. JOE TIMBERLAND COMPANY OF DELAWAREJacksonville, FL · Inactive | Jacksonville, FL | Corporation | Nov 5, 1999 | Inactive |
| TOL GOLF WAY CENTER, L.L.C.Jacksonville, FL · Inactive | Jacksonville, FL | LLC | Nov 16, 2000 | Inactive |
| SOUTHWOOD OFFICE I, L.L.C.Jacksonville, FL · Inactive | Jacksonville, FL | LLC | May 22, 2001 | Inactive |
| BECKRICH CALL CENTER I, L.L.C.Jacksonville, FL · Inactive | Jacksonville, FL | LLC | Jun 15, 2001 | Inactive |
| BECKRICH OFFICE BUILDING I, L.L.C.Jacksonville, FL · Inactive | Jacksonville, FL | LLC | Jun 15, 2001 | Inactive |
| ST. JOE CORPORATION FOUNDATION, INC.Jacksonville, FL · Inactive | Jacksonville, FL | Nonprofit | Dec 18, 1986 | Inactive |
| ARVIDA REALTY FOUNDATION, INC.Clearwater, FL · Inactive | Clearwater, FL | Nonprofit | May 12, 1994 | Inactive |
| ST. JOE MERGER SUB COMPANYJacksonville, FL · Inactive | Jacksonville, FL | Corporation | Aug 17, 2000 | Inactive |
| SOUTHWOOD REAL ESTATE COMPANYJacksonville, FL · Inactive | Jacksonville, FL | Corporation | Oct 6, 2000 | Inactive |
| DANIEL COMMUNICATIONS, INC.Location not reported, FL · Inactive | Location not reported, FL | Corporation | Jun 2, 1992 | Inactive |
| ST. JOE EMPLOYMENT, INC.Jacksonville, FL · Inactive | Jacksonville, FL | Corporation | Apr 2, 1998 | Inactive |
| ST. JOE SANCTUARY REALTY, INC.Jacksonville, FL · Inactive | Jacksonville, FL | Corporation | Jun 8, 1998 | Inactive |
| ST. JOE PROPERTY INSPECTION SERVICES, INC.Jacksonville, FL · Inactive | Jacksonville, FL | Corporation | Jun 15, 1998 | Inactive |
| CCK REAL ESTATE, INC.Jacksonville, FL · Inactive | Jacksonville, FL | Corporation | Oct 7, 1998 | Inactive |
| ST. JOE/LEGACY, INC.Jacksonville, FL · Inactive | Jacksonville, FL | Corporation | Dec 17, 1998 | Inactive |
| ST. JOE HOSPITALITY DEVELOPMENT, INC.Jacksonville, FL · Inactive | Jacksonville, FL | Corporation | Oct 29, 1999 | Inactive |