| ST. JOSEPH PROPERTIES, LLCPort St. Joe, FL · Active | Port St. Joe, FL | LLC | Sep 5, 2003 | Active |
| GULF WATERS CORPORATIONTallahassee, FL · Inactive | Tallahassee, FL | Corporation | Jul 16, 1973 | Inactive |
| DESUCO INTERNATIONAL CORPORATIONLocation not reported, FL · Inactive | Location not reported, FL | Corporation | Jun 12, 1974 | Inactive |
| TALLAHASSEE DEVELOPMENT CORPORATIONTallahassee, FL · Inactive | Tallahassee, FL | Corporation | Apr 20, 1976 | Inactive |
| CAPITAL PLASTICS, INC.Tallahassee, FL · Inactive | Tallahassee, FL | Corporation | Oct 3, 1977 | Inactive |
| COSTIN & DEEB, CHARTEREDTallahassee, FL · Inactive | Tallahassee, FL | Corporation | Apr 2, 1973 | Inactive |
| CAPITOL APARTMENT OWNERS ASSOCIATION, INC.Tallahassee, FL · Inactive | Tallahassee, FL | Nonprofit | Oct 24, 1977 | Inactive |
| SOUTHEASTERN MACHINERY AND CONSTRUCTION, INC.Tallahassee, FL · Inactive | Tallahassee, FL | Corporation | Feb 11, 1982 | Inactive |
| COSTIN DEVELOPMENT CORPORATIONPort St. Joe, FL · Active | Port St. Joe, FL | Corporation | Jan 13, 1984 | Active |
| CONSTITUTION MOBILE HOME SALES, INC.Port St. Joe, FL · Inactive | Port St. Joe, FL | Corporation | Jan 9, 1985 | Inactive |
| COSTIN AVIATION, INC.Port St. Joe, FL · Inactive | Port St. Joe, FL | Corporation | May 22, 1985 | Inactive |
| COSTIN PROPERTIES LLCTallahassee, FL · Inactive | Tallahassee, FL | LLC | Sep 4, 2002 | Inactive |
| ST. JOSEPH PROPERTIES, LLCTallahassee, FL · Inactive | Tallahassee, FL | LLC | Aug 27, 2003 | Inactive |
| DALKEITH INVESTMENTS, LLCTallahassee, FL · Inactive | Tallahassee, FL | LLC | Feb 23, 2006 | Inactive |
| THE CORNER AT CROSS CREEK CONDOMINIUM ASSOCIATION, INC.Tallahassee, FL · Inactive | Tallahassee, FL | Nonprofit | Jun 18, 1984 | Inactive |
| DOGWOOD TERRACE HOMEOWNERS ASSOCIATION, INC.Tallahassee, FL · Inactive | Tallahassee, FL | Nonprofit | Dec 14, 1984 | Inactive |
| CROSS CREEK CENTER ASSOCIATION, INC.Tallahassee, FL · Inactive | Tallahassee, FL | Nonprofit | May 30, 1985 | Inactive |
| CAPE PLANTATION HOMEOWNERS ASSOCICATION, INC.Port St. Joe, FL · Active | Port St. Joe, FL | Nonprofit | Aug 27, 1985 | Active |
| FPH - FRIENDS OF THE 50TH, INC.Tallahassee, FL · Inactive | Tallahassee, FL | Nonprofit | May 26, 1989 | Inactive |
| ST. JOSEPH LIVING, INC.Port St. Joe, FL · Inactive | Port St. Joe, FL | Corporation | Sep 22, 2004 | Inactive |