| KIRSCHNER & LEGLER, P.A.Fleming Island, FL · Active | Fleming Island, FL | Corporation | Apr 5, 2001 | Active |
| OPTIMUM SPINOFF, LLCJacksonville, FL · Active | Jacksonville, FL | LLC | May 18, 2020 | Active |
| WHARFSIDE INVESTORS II, LLCJacksonville, FL · Inactive | Jacksonville, FL | LLC | Feb 23, 2004 | Inactive |
| OPTIMUM CAN HOLDINGS, LLCJacksonville Beach, FL · Active | Jacksonville Beach, FL | LLC | Apr 12, 2018 | Active |
| SKILLMARKET, LLCJacksonville Beach, FL · Active | Jacksonville Beach, FL | LLC | Aug 15, 2016 | Active |
| CLEARSENSE HOLDINGS II, LLCJacksonville Beach, FL · Active | Jacksonville Beach, FL | LLC | Dec 23, 2015 | Active |
| OPTIMUM MANAGED SERVICES, LLCJacksonville Beach, FL · Inactive | Jacksonville Beach, FL | LLC | Apr 20, 2015 | Inactive |
| OPTIMUM TECHNOLOGY SOLUTIONS LLCJacksonville Beach, FL · Active | Jacksonville Beach, FL | LLC | Aug 3, 2012 | Active |
| TSC COMPANIES, LLCJacksonville Beach, FL · Active | Jacksonville Beach, FL | LLC | Jan 4, 2012 | Active |
| WILSON AGENCY, INC.Jacksonville, FL · Inactive | Jacksonville, FL | Corporation | Apr 30, 1960 | Inactive |
| DEPENDABLE LIFE INSURANCE COMPANYJacksonville, FL · Inactive | Jacksonville, FL | Corporation | Aug 27, 1975 | Inactive |
| RONCO LEASING, INC.Jacksonville, FL · Inactive | Jacksonville, FL | Corporation | Dec 8, 1975 | Inactive |
| KENCO GROCERY DIVISION, INC.Jacksonville, FL · Inactive | Jacksonville, FL | Corporation | Jan 22, 1976 | Inactive |
| KENCO HARDWARE DIVISION, INC.Jacksonville, FL · Inactive | Jacksonville, FL | Corporation | Jan 22, 1976 | Inactive |
| KENCO INDUSTRIAL DIVISION, INC.Jacksonville, FL · Inactive | Jacksonville, FL | Corporation | Jan 23, 1976 | Inactive |
| NK, INCORPORATEDLocation not reported, FL · Inactive | Location not reported, FL | Corporation | Feb 9, 1978 | Inactive |
| FCR COAL COMPANY, INC.Jacksonville, FL · Inactive | Jacksonville, FL | Corporation | Feb 19, 1979 | Inactive |
| NK TRUCKING COMPANYJacksonville, FL · Inactive | Jacksonville, FL | Corporation | Apr 24, 1979 | Inactive |
| NEW CHARTER REFINING, INC.Jacksonville, FL · Inactive | Jacksonville, FL | Corporation | May 13, 1980 | Inactive |
| RIVERSIDE MILLS, INC.Jacksonville, FL · Inactive | Jacksonville, FL | Corporation | Jun 10, 1980 | Inactive |
| AME-RICO CORPORATIONJacksonville, FL · Inactive | Jacksonville, FL | Corporation | Jun 24, 1981 | Inactive |
| CHARTER OIL COMPANYJacksonville, FL · Inactive | Jacksonville, FL | Corporation | Oct 13, 1980 | Inactive |
| PIONEER RESOURCES, INC.Jacksonville, FL · Inactive | Jacksonville, FL | Corporation | Apr 10, 1981 | Inactive |
| DISTEK CORPORATIONJacksonville, FL · Inactive | Jacksonville, FL | Corporation | Mar 17, 1982 | Inactive |
| VISADOR COMPANYLocation not reported, FL · Inactive | Location not reported, FL | Corporation | Aug 9, 1994 | Inactive |
| TREE OF LIFE, INC.Jacksonville, FL · Inactive | Jacksonville, FL | Corporation | Apr 26, 1983 | Inactive |
| FAPC, INC.Jacksonville, FL · Inactive | Jacksonville, FL | Corporation | Oct 29, 1984 | Inactive |
| BEACON FIRST FINANCIAL CORP.Jacksonville, FL · Inactive | Jacksonville, FL | Corporation | Dec 6, 1984 | Inactive |
| ATLANTIC MORTGAGE & INVESTMENT CORPORATIONJacksonville, FL · Inactive | Jacksonville, FL | Corporation | Jan 9, 1985 | Inactive |
| AMERICAN EQUITIES ASSOCIATES, INC.Jacksonville, FL · Inactive | Jacksonville, FL | Corporation | Jun 6, 1985 | Inactive |
| BRP REALTY HOLDING, INC.Jacksonville, FL · Inactive | Jacksonville, FL | Corporation | Dec 31, 1985 | Inactive |
| FCI HOLDINGS, INC.Jacksonville, FL · Inactive | Jacksonville, FL | Corporation | Oct 26, 1987 | Inactive |
| MORESPACE, INC.Jacksonville, FL · Inactive | Jacksonville, FL | Corporation | Dec 8, 1988 | Inactive |
| ATMARK, INC.Jacksonville, FL · Inactive | Jacksonville, FL | Corporation | Apr 10, 1989 | Inactive |
| PINNACLE HEALTH SERVICES, LLCJacksonville, FL · Inactive | Jacksonville, FL | LLC | Jan 13, 2003 | Inactive |
| PINNACLE EDUCATION SERVICES, LLCJacksonville, FL · Inactive | Jacksonville, FL | LLC | Jan 13, 2003 | Inactive |
| CAKES ACROSS AMERICA, LLCJacksonville, FL · Inactive | Jacksonville, FL | LLC | Aug 6, 2003 | Inactive |
| COA, LLCJacksonville, FL · Inactive | Jacksonville, FL | LLC | Sep 17, 2003 | Inactive |
| WHARFSIDE INVESTORS II, LLCJacksonville, FL · Inactive | Jacksonville, FL | LLC | Mar 12, 2004 | Inactive |
| AVIATION PARTNERS, LLCJacksonville, FL · Inactive | Jacksonville, FL | LLC | Mar 15, 2004 | Inactive |
| AIR-1 FBO, LLCJacksonville, FL · Inactive | Jacksonville, FL | LLC | Jan 18, 2005 | Inactive |
| ROWE'S ENTERPRISES LLCJacksonville, FL · Inactive | Jacksonville, FL | LLC | Mar 2, 2005 | Inactive |
| WITTEN TECHNOLOGIES LLCJacksonville, FL · Inactive | Jacksonville, FL | LLC | Feb 28, 2007 | Inactive |
| UNIBEACH RE, LLCJacksonville, FL · Inactive | Jacksonville, FL | LLC | Aug 25, 2008 | Inactive |
| COOLCRETE, LLCJacksonville, FL · Inactive | Jacksonville, FL | LLC | Dec 1, 2010 | Inactive |
| L&K HOUSING, LLCJacksonville, FL · Inactive | Jacksonville, FL | LLC | Mar 24, 2011 | Inactive |
| OPTIMUM IT, LLCJacksonville Beach, FL · Inactive | Jacksonville Beach, FL | LLC | Dec 16, 2011 | Inactive |
| GOJAMS, LLCJacksonville, FL · Inactive | Jacksonville, FL | LLC | Aug 23, 2013 | Inactive |
| PLAYPENN, LLCJacksonville, FL · Inactive | Jacksonville, FL | LLC | Nov 12, 2013 | Inactive |
| ROCKFORD FLEMING PROPERTY, LLCJacksonville, FL · Inactive | Jacksonville, FL | LLC | Aug 13, 2014 | Inactive |