| RMR NORMAN DRIVE LLCJacksonville, FL · Inactive | Jacksonville, FL | LLC | Sep 11, 2025 | Inactive |
| BRONX WENDYS SCH LLCJacksonville, FL · Active | Jacksonville, FL | LLC | Mar 17, 2023 | Active |
| 1983 HEIGHTS, LLCJacksonville, FL · Active | Jacksonville, FL | LLC | Jan 5, 2023 | Active |
| BARON SAN PABLO II, LLCJacksonville, FL · Active | Jacksonville, FL | LLC | Jan 5, 2023 | Active |
| CROES REALTY LLCJacksonville, FL · Active | Jacksonville, FL | LLC | Jan 5, 2023 | Active |
| HASTINGS RMR LLCJacksonville, FL · Active | Jacksonville, FL | LLC | Jan 5, 2023 | Active |
| IHOP LKE RMR LLCJacksonville, FL · Active | Jacksonville, FL | LLC | Jan 5, 2023 | Active |
| RICHARDSON REALTY MANDARIN SOUTH, LLCJacksonville, FL · Active | Jacksonville, FL | LLC | Jan 5, 2023 | Active |
| RR CONCOURSE REALTY, LLCJacksonville, FL · Active | Jacksonville, FL | LLC | Jan 5, 2023 | Active |
| BARON 330 LLCJacksonville, FL · Active | Jacksonville, FL | LLC | Jul 8, 2022 | Active |
| BARON 551 LLCJacksonville, FL · Active | Jacksonville, FL | LLC | Jul 8, 2022 | Active |
| BARON SAN PABLO LLCJacksonville, FL · Active | Jacksonville, FL | LLC | Jul 8, 2022 | Active |
| DAROBARA MILFORD, LLCJacksonville, FL · Active | Jacksonville, FL | LLC | Jul 8, 2022 | Active |
| RETTNER MASTER LLCJacksonville, FL · Active | Jacksonville, FL | LLC | Jul 8, 2022 | Active |
| BADA HUDSON LLCJacksonville, FL · Inactive | Jacksonville, FL | LLC | Apr 6, 2022 | Inactive |
| CROES CELLAR LLCJacksonville, FL · Active | Jacksonville, FL | LLC | Oct 4, 2021 | Active |
| RETTNER ACQUISITIONS LLCJacksonville, FL · Active | Jacksonville, FL | LLC | Jul 23, 2021 | Active |
| R. RETTNER SECURITIES LLCJacksonville, FL · Active | Jacksonville, FL | LLC | May 19, 2021 | Active |
| DEERWOOD RMR, LLCJacksonville, FL · Active | Jacksonville, FL | LLC | Jun 18, 2020 | Active |
| GATE PARKWAY RMR II LLCJacksonville, FL · Active | Jacksonville, FL | LLC | Aug 8, 2019 | Active |
| JC RACE TRACK LAND LLCJacksonville, FL · Active | Jacksonville, FL | LLC | May 21, 2019 | Active |
| GATE PARKWAY RMR LLCJacksonville, FL · Active | Jacksonville, FL | LLC | Apr 15, 2019 | Active |
| RMR FRUITCOVE PLAZA LLCJacksonville, FL · Active | Jacksonville, FL | LLC | Jul 26, 2018 | Active |
| 14035 BEACH RMR LLCJacksonville, FL · Active | Jacksonville, FL | LLC | Jun 1, 2018 | Active |
| SOUTHSIDE RMR LLCJacksonville, FL · Active | Jacksonville, FL | LLC | Feb 22, 2018 | Active |
| RETTNER BUILDING MANAGEMENT CORPORATIONJacksonville, FL · Active | Jacksonville, FL | Corporation | Nov 21, 2017 | Active |
| ATLANTIC SAN PABLO, LLCJacksonville, FL · Active | Jacksonville, FL | LLC | Jun 1, 2012 | Active |
| HARTFORD RMR LLCJacksonville, FL · Active | Jacksonville, FL | LLC | Jul 27, 2026 | Active |
| BARON NORTH AVENUE LLCJacksonville, FL · Inactive | Jacksonville, FL | LLC | Jan 30, 2026 | Inactive |
| BATHGATE PLAZA LLCJacksonville, FL · Inactive | Jacksonville, FL | LLC | Aug 12, 2024 | Inactive |
| BADA CT LLCJacksonville, FL · Inactive | Jacksonville, FL | LLC | Apr 23, 2024 | Inactive |
| RETTNER MANAGER LLCJacksonville, FL · Active | Jacksonville, FL | LLC | Oct 29, 2020 | Active |
| ENFIELD MAC LLCJacksonville, FL · Active | Jacksonville, FL | LLC | Feb 1, 2018 | Active |
| ENFIELD RMR LLCJacksonville, FL · Active | Jacksonville, FL | LLC | Feb 1, 2018 | Active |
| COMMACK RMR LLCJacksonville, FL · Inactive | Jacksonville, FL | LLC | Dec 15, 2017 | Inactive |
| RMR OLD SAYBROOK LLCJacksonville, FL · Active | Jacksonville, FL | LLC | Jan 10, 2017 | Active |
| RETTNER SAN MARCO, LLCJacksonville, FL · Active | Jacksonville, FL | LLC | Oct 1, 2014 | Active |
| RETTNER HENDRICKS REALTY, LLCJacksonville, FL · Active | Jacksonville, FL | LLC | Nov 13, 2012 | Active |
| DEBARRY PLACE PARTNERS LLCJacksonville, FL · Active | Jacksonville, FL | LLC | Apr 9, 2004 | Active |
| CRESCENT BEACH PLAZA, LLCSaint Augustine, FL · Inactive | Saint Augustine, FL | LLC | May 30, 2001 | Inactive |
| 1520/109 IHOP LLCLocation not reported, FL · Inactive | Location not reported, FL | LLC | Jul 21, 2008 | Inactive |
| BARTRAM RMR, LLCJacksonville, FL · Active | Jacksonville, FL | LLC | May 30, 2017 | Active |
| FLORIDA BARTRAM PARK LLCPonte Verde Beach, FL · Inactive | Ponte Verde Beach, FL | LLC | Feb 22, 2018 | Inactive |
| RR CONCOURSE MARIETTA, LLCJacksonville, FL · Active | Jacksonville, FL | LLC | Sep 23, 2021 | Active |
| WG MIAMI LL MEMBER, LLCJacksonville, FL · Active | Jacksonville, FL | LLC | Dec 8, 2023 | Active |
| WG NY LL MEMBER, LLCJacksonville, FL · Active | Jacksonville, FL | LLC | Dec 14, 2023 | Active |
| 11200 SAN JOSE RMR LLCJacksonville, FL · Active | Jacksonville, FL | LLC | Mar 4, 2024 | Active |
| 1615 HENDRICKS RMR LLCJacksonville, FL · Active | Jacksonville, FL | LLC | Aug 1, 2024 | Active |
| RETTNER REALTY MERGER LLCJacksonville, FL · Inactive | Jacksonville, FL | LLC | Mar 10, 2026 | Inactive |
| RETTNER REALTY LLCJacksonville, FL · Active | Jacksonville, FL | LLC | Mar 13, 2026 | Active |