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| 7820 ONTARIO, LLCSarasota, FL · Inactive | Sarasota, FL | LLC | Feb 1, 2016 | Inactive |
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| YARWUN HOLDINGS, LLCTampa, FL · Active | Tampa, FL | LLC | Jul 26, 2021 | Active |
| BROWN AVIATION CONSOLIDATED, INC.Clearwater, FL · Inactive | Clearwater, FL | Corporation | Apr 2, 1976 | Inactive |
| KENNETH P. BROWN, III, M.D., P.A.Clearwater, FL · Inactive | Clearwater, FL | Corporation | Apr 1, 1976 | Inactive |
| ACQUA AMERICA, INC.Tampa, FL · Inactive | Tampa, FL | Corporation | May 13, 2003 | Inactive |
| KENN-AIR HOLDING CORPORATIONGainesville, FL · Inactive | Gainesville, FL | Corporation | Apr 8, 1982 | Inactive |
| KENN-AIR MEDICAL CORPORATIONGainesville, FL · Inactive | Gainesville, FL | Corporation | May 31, 1983 | Inactive |
| QUENTIN CORP.Gainesville, FL · Inactive | Gainesville, FL | Corporation | Dec 28, 1983 | Inactive |
| KENN AIR CORPORATION OF GAINESVILLEGainesville, FL · Inactive | Gainesville, FL | Corporation | Dec 19, 1986 | Inactive |
| K.P. BROWN INVESTMENT BROKERS, INC.Bradenton, FL · Inactive | Bradenton, FL | Corporation | Dec 14, 1987 | Inactive |
| ENCORE ENERGY KCB, LLCTampa, FL · Inactive | Tampa, FL | LLC | Nov 26, 2007 | Inactive |
| ENCORE CATOOSA, LLCTampa, FL · Inactive | Tampa, FL | LLC | Oct 20, 2008 | Inactive |
| ENCORE ENERGY FLORIDA, LLCTampa, FL · Inactive | Tampa, FL | LLC | Dec 31, 2008 | Inactive |
| ENCORE GREENVILLE, LLCTampa, FL · Inactive | Tampa, FL | LLC | Nov 12, 2009 | Inactive |
| SUPRA ENERGY, LLCTampa, FL · Inactive | Tampa, FL | LLC | Jan 6, 2010 | Inactive |
| BOK BIODIESEL, LLCTampa, FL · Inactive | Tampa, FL | LLC | Dec 16, 2011 | Inactive |
| SUPRA BIOENERGY, LLCTampa, FL · Inactive | Tampa, FL | LLC | Mar 12, 2012 | Inactive |
| 5525 HOMEWOOD, LLC.Sarasota, FL · Inactive | Sarasota, FL | LLC | Feb 1, 2016 | Inactive |
| INDUSTRIAL MARITIME ENGINEERING SERVICES, LLCBonita Springs, FL · Inactive | Bonita Springs, FL | LLC | Apr 21, 2023 | Inactive |
| ACQUA AMERICA, LLCTampa, FL · Inactive | Tampa, FL | LLC | May 13, 2003 | Inactive |
| AMERICAN BROKER DEALER ASSOCIATION, INC.Bradenton, FL · Inactive | Bradenton, FL | Corporation | Oct 17, 2003 | Inactive |
| ACQUA PURE OF AMERICA, INC.Tampa, FL · Inactive | Tampa, FL | Corporation | Feb 16, 2004 | Inactive |
| TAXFREE-EXCHANGE, INC.Anna Maria, FL · Inactive | Anna Maria, FL | Corporation | Mar 31, 2004 | Inactive |
| SERVOS ENERGY SERVICES, INCNaples, FL · Inactive | Naples, FL | Corporation | Apr 16, 2010 | Inactive |
| SERVOS VENTURES, INC.Jacksonville, FL · Inactive | Jacksonville, FL | Corporation | Feb 13, 2013 | Inactive |
| BANDWYDTH ASSET MANAGEMENT, INC.Jacksonville, FL · Inactive | Jacksonville, FL | Corporation | Mar 5, 2013 | Inactive |
| COMPLETE PUMP ENGINEERING, INCJacksonville, FL · Inactive | Jacksonville, FL | Corporation | Sep 25, 2014 | Inactive |
| SOLARIS TECHNOLOGY US CORPNaples, FL · Inactive | Naples, FL | Corporation | Jan 5, 2018 | Inactive |
| THE REVOCOR GROUP INCBonita Springs, FL · Inactive | Bonita Springs, FL | Corporation | Mar 15, 2023 | Inactive |
| LRB DEVELOPMENT CORP.Bradenton, FL · Inactive | Bradenton, FL | Corporation | May 29, 1996 | Inactive |
| USM EQUIPMENT COMPANY, INC.St. Petersburg, FL · Inactive | St. Petersburg, FL | Corporation | Dec 17, 1996 | Inactive |
| CATKEN BUSINESS DEVELOPMENT, INC.St. Petersburg, FL · Inactive | St. Petersburg, FL | Corporation | May 16, 1997 | Inactive |