| 4701 EUCLID LLCTampa, FL · Inactive | Tampa, FL | LLC | Apr 28, 2022 | Inactive |
| 5109 LONGFELLOW LLCTampa, FL · Inactive | Tampa, FL | LLC | Apr 27, 2022 | Inactive |
| THE ISLES HOLDINGS LLCTampa, FL · Inactive | Tampa, FL | LLC | Apr 22, 2022 | Inactive |
| 3108 TAMPA LLCTampa, FL · Inactive | Tampa, FL | LLC | Mar 28, 2022 | Inactive |
| 4705 EUCLID LLCTampa, FL · Active | Tampa, FL | LLC | Mar 14, 2022 | Active |
| CONCRETE MODERNE, LLCTampa, FL · Inactive | Tampa, FL | LLC | Sep 29, 2021 | Inactive |
| MODERN CONCRETE INNOVATIONS, LLCTampa, FL · Inactive | Tampa, FL | LLC | Sep 29, 2021 | Inactive |
| FERNCLIFF PROPERTIES, INCTampa, FL · Active | Tampa, FL | Corporation | Apr 10, 2018 | Active |
| FERNCLIFF, INC.Tampa, FL · Active | Tampa, FL | Corporation | Jul 8, 2013 | Active |
| DOLPHIN GROUP CAPITAL VENTURES, LLCTampa, FL · Active | Tampa, FL | LLC | May 4, 2010 | Active |
| DOLPHIN GROUP INVESTMENT, LLC.Tampa, FL · Active | Tampa, FL | LLC | Oct 8, 2009 | Active |
| MORROW REALTY, INC.Lakeland, FL · Inactive | Lakeland, FL | Corporation | Jan 10, 1980 | Inactive |
| SANDCASTLE DESIGNS, INC.Tampa, FL · Inactive | Tampa, FL | Corporation | Jun 11, 1982 | Inactive |
| RIVER TERRACE CORPORATION, INC.Tampa, FL · Inactive | Tampa, FL | Corporation | Feb 9, 1984 | Inactive |
| DOLPHIN APPRAISAL RESEARCH, INC.Tampa, FL · Active | Tampa, FL | Corporation | Dec 18, 1986 | Active |
| MPH DOLPHIN, LLCTampa, FL · Inactive | Tampa, FL | LLC | Apr 8, 2004 | Inactive |
| CHASE-DOLPHIN, LLCTampa, FL · Inactive | Tampa, FL | LLC | Oct 6, 2004 | Inactive |
| EFFICIENT BUILDING SYSTEMS, LLC.Tampa, FL · Inactive | Tampa, FL | LLC | Sep 9, 2021 | Inactive |
| EFFICIENT WALL SYSTEMS OF FLORIDA L.L.C.Tampa, FL · Inactive | Tampa, FL | LLC | Sep 9, 2021 | Inactive |
| E-WALLS INSTALLATION COMPANY OF FLORIDA LLC.Tampa, FL · Inactive | Tampa, FL | LLC | Sep 9, 2021 | Inactive |
| MODERN INNOVATIONS LLC.Tampa, FL · Inactive | Tampa, FL | LLC | Sep 29, 2021 | Inactive |
| VILLAS DELFIN HOME OWNERS ASSOCIATION, INCTampa, FL · Inactive | Tampa, FL | Nonprofit | Feb 6, 2006 | Inactive |
| THE DOLPHIN COMPANIES OF TAMPA, INC.Tampa, FL · Inactive | Tampa, FL | Corporation | Mar 12, 2001 | Inactive |
| CAROLDENE'S FACES INC.Tampa, FL · Inactive | Tampa, FL | Corporation | Nov 30, 2005 | Inactive |
| DOLPHIN COMPANIES, INC.Tampa, FL · Inactive | Tampa, FL | Corporation | Jun 12, 2007 | Inactive |
| MODERN INNOVATIONS, INCTampa, FL · Inactive | Tampa, FL | Corporation | Dec 31, 2015 | Inactive |
| DOLPHIN HOMES, INC.Tampa, FL · Inactive | Tampa, FL | Corporation | Apr 17, 1995 | Inactive |