| BIRD KEY LLCMiami, FL · Active | Miami, FL | LLC | Nov 29, 2022 | Active |
| TILLSON AVENUE LLCMiami, FL · Active | Miami, FL | LLC | May 20, 2021 | Active |
| 27TH AND ANDROS, LLCMiami, FL · Active | Miami, FL | LLC | Feb 12, 2020 | Active |
| ZIP CODE MORTGAGE, LLCMiami, FL · Inactive | Miami, FL | LLC | Sep 11, 2014 | Inactive |
| WHARF STREET LLCMiami, FL · Active | Miami, FL | LLC | Aug 5, 2013 | Active |
| MIAMI RIVER MARINA, LLCMiami, FL · Active | Miami, FL | LLC | Jan 4, 2013 | Active |
| SOUTH FORK PARCEL 1, LLCMiami, FL · Active | Miami, FL | LLC | Nov 29, 2012 | Active |
| SOUTH FORK PARCEL 2, LLCMiami, FL · Active | Miami, FL | LLC | Nov 29, 2012 | Active |
| SOUTH FORK PARCEL 3, LLCMiami, FL · Active | Miami, FL | LLC | Nov 29, 2012 | Active |
| F.B. MATHESON GRANDCHILDREN'S LLCMiami, FL · Inactive | Miami, FL | LLC | Jun 30, 2011 | Inactive |
| REALTY SECURITIES, LLCMiami, FL · Inactive | Miami, FL | LLC | Jul 1, 2010 | Inactive |
| KEY COLONY MOTEL, INC.Coral Gables, FL · Inactive | Coral Gables, FL | Corporation | Oct 27, 1960 | Inactive |
| MOOSEABEC TRADING CORPORATIONCoral Gables, FL · Inactive | Coral Gables, FL | Corporation | Nov 26, 1979 | Inactive |
| CORAL GABLES BUSINESS VILLAGE PLANNING COUNCIL, INC.Miami, FL · Inactive | Miami, FL | Nonprofit | Apr 30, 1982 | Inactive |
| M JACKSONVILLE PARTNERS LTD.Miami, FL · Inactive | Miami, FL | Partnership | May 13, 1988 | Inactive |
| BILTMORE RESTORATION, INC.Coral Gables, FL · Inactive | Coral Gables, FL | Corporation | Jun 8, 1981 | Inactive |
| MATHESON ENTERPRISE MANAGEMENT, INC.Miami, FL · Active | Miami, FL | Corporation | Nov 9, 1984 | Active |
| PALMETTO BUG, INC.Miami, FL · Inactive | Miami, FL | Corporation | Nov 23, 1988 | Inactive |
| GABLES BUG, INC.Miami, FL · Inactive | Miami, FL | Corporation | May 31, 1989 | Inactive |
| 6859 COLLIER BOULEVARD, LLCMiami, FL · Inactive | Miami, FL | LLC | Feb 21, 2012 | Inactive |
| MATHESON DESIGNS LLCSt. Petersburg, FL · Inactive | St. Petersburg, FL | LLC | Oct 19, 2012 | Inactive |
| AVIATION AVE., LLCMiami, FL · Inactive | Miami, FL | LLC | Dec 4, 2018 | Inactive |
| 188 LANE LLCMiami, FL · Inactive | Miami, FL | LLC | Dec 17, 2020 | Inactive |
| ISLESFORD BOAT CLUB LLCMiami, FL · Active | Miami, FL | LLC | Apr 1, 2022 | Active |
| FINLAY MATHESON LLCMiami, FL · Inactive | Miami, FL | LLC | Apr 11, 2022 | Inactive |
| AGITATOR LLCMiami, FL · Active | Miami, FL | LLC | Mar 23, 2026 | Active |
| SOUTH FLORIDA MUSEUM OF SCIENCE AND TECHNOLOGY, INC.Miami, FL · Inactive | Miami, FL | Nonprofit | Sep 19, 1985 | Inactive |