| MYRTLE SLOUGH GLADES LLCClewiston, FL · Active | Clewiston, FL | LLC | Feb 1, 2012 | Active |
| CROSS TRAINING MINISTRIES, INC.Clewiston, FL · Active | Clewiston, FL | Nonprofit | Jan 15, 2004 | Active |
| FIRST BANKClewiston, FL · Active | Clewiston, FL | Corporation | Sep 1, 1922 | Active |
| PARKINSON'S INC.Fort Myers, FL · Inactive | Fort Myers, FL | Corporation | Nov 24, 1936 | Inactive |
| THE CLEWISTON BAND ASSOCIATION, INC.Clewiston, FL · Inactive | Clewiston, FL | Nonprofit | Jan 24, 1977 | Inactive |
| UNITED CANE COOPERATIVE ASSOCIATIONClewiston, FL · Inactive | Clewiston, FL | Nonprofit | Oct 16, 1970 | Inactive |
| COUSE FARMS, INC.Clewiston, FL · Active | Clewiston, FL | Corporation | Feb 2, 1981 | Active |
| H.M.C. AIRCRAFT RENTALS, INC.Clewiston, FL · Inactive | Clewiston, FL | Corporation | May 21, 1981 | Inactive |
| NEW LIFE MUSIC CORPORATIONTallahassee, FL · Inactive | Tallahassee, FL | Corporation | Mar 1, 1982 | Inactive |
| DEVELOPMENT INVESTMENTS, INC.Clewiston, FL · Inactive | Clewiston, FL | Corporation | Dec 24, 1985 | Inactive |
| HAVEN HOMES OF MOORE HAVEN, LLCClewiston, FL · Inactive | Clewiston, FL | LLC | May 1, 2009 | Inactive |
| CLEWISTON MUSEUM, INC.Clewiston, FL · Active | Clewiston, FL | Nonprofit | Feb 28, 1985 | Active |
| CONCERNED CITIZENS OF THE GLADES, INC.Clewiston, FL · Inactive | Clewiston, FL | Nonprofit | Jan 16, 2009 | Inactive |
| AGAPE HOME, INC.Moore Haven, FL · Inactive | Moore Haven, FL | Nonprofit | Jan 6, 1997 | Inactive |
| SOUTHERN TURF & TRACTOR, INC.Clewiston, FL · Inactive | Clewiston, FL | Corporation | Mar 30, 2006 | Inactive |
| S T & T RENTALS, INC.Clewiston, FL · Inactive | Clewiston, FL | Corporation | Jan 29, 2007 | Inactive |
| DEVELOPMENT PROPERTY HOLDINGS, INCClewiston, FL · Inactive | Clewiston, FL | Corporation | Mar 25, 2020 | Inactive |
| FIRST SUCCESSOR BANK OF CLEWISTONClewiston, FL · Inactive | Clewiston, FL | Corporation | May 28, 1993 | Inactive |
| LONG HAMMOCK GROVE, INC.Clewiston, FL · Active | Clewiston, FL | Corporation | Dec 30, 1998 | Active |
| INDEPENDENT HARVESTING, INC.Moore Haven, FL · Active | Moore Haven, FL | Corporation | Apr 15, 1991 | Active |
| PIONEER BANKCORP, INC.Clewiston, FL · Active | Clewiston, FL | Corporation | Jun 10, 1992 | Active |