| AMI 99 LLCCrawfordville, FL · Active | Crawfordville, FL | LLC | Mar 28, 2022 | Active |
| T & W REAL ESTATE INVESTMENTS, LLCCantonment, FL · Active | Cantonment, FL | LLC | Nov 27, 2018 | Active |
| HALO HOSPITALITY LLCMonticello, FL · Active | Monticello, FL | LLC | Nov 29, 2021 | Active |
| SEABOARD FINANCE COMPANY OF LAKE CITYLake City, FL · Inactive | Lake City, FL | Corporation | Dec 17, 1943 | Inactive |
| TARPON TOWING INCSt. Marks, FL · Inactive | St. Marks, FL | Corporation | Mar 4, 1957 | Inactive |
| TRI STATE FUEL OIL INCLocation not reported, FL · Inactive | Location not reported, FL | Corporation | Mar 29, 1960 | Inactive |
| ST. MARKS MARINA, INC.St. Marks, FL · Active | St. Marks, FL | Corporation | Oct 1, 1964 | Active |
| SEMINOLE ASPHALT REFINING, INC.Location not reported, FL · Inactive | Location not reported, FL | Corporation | Aug 1, 1967 | Inactive |
| SHIELDS MARINA, INC.St. Marks, FL · Inactive | St. Marks, FL | Corporation | Jun 13, 1968 | Inactive |
| ST. MARKS REALTY, INC.Location not reported, FL · Inactive | Location not reported, FL | Corporation | Jun 2, 1971 | Inactive |
| THOMAS CONTROLS, INC.St. Marks, FL · Inactive | St. Marks, FL | Corporation | Dec 15, 1975 | Inactive |
| ST. MARKS YACHT CLUB, INC.St. Marks, FL · Active | St. Marks, FL | Corporation | Apr 25, 1977 | Active |
| ASPHALT MATERIALS, INC.St. Marks, FL · Active | St. Marks, FL | Corporation | Dec 8, 1977 | Active |
| FIRST BAPTIST CHURCH OF ST. MARKS, FLORIDA, INC.St. Marks, FL · Active | St. Marks, FL | Nonprofit | Aug 2, 1979 | Active |
| SHIELDS ST MARKS PARTNERSHIP, LTDSt. Marks, FL · Inactive | St. Marks, FL | Partnership | Feb 5, 2008 | Inactive |
| HOLIDAY INDUSTRIES, INC.St. Marks, FL · Active | St. Marks, FL | Corporation | Jan 27, 2021 | Active |
| GEORGE JONES PAINTING, INC.Saint Marks, FL · Inactive | Saint Marks, FL | Corporation | Aug 3, 1983 | Inactive |
| PREFERRED HOMES, INC.Palm Coast, FL · Inactive | Palm Coast, FL | Corporation | Mar 21, 1984 | Inactive |
| ST. MARKS COUNTRY STORE, INC.St. Marks, FL · Inactive | St. Marks, FL | Corporation | Jun 27, 1986 | Inactive |
| SEMINOLE PETROLEUM REFINING, INC.St. Marks, FL · Inactive | St. Marks, FL | Corporation | Feb 20, 1987 | Inactive |
| JBS PROPERTIES, LLCSt. Marks, FL · Inactive | St. Marks, FL | LLC | Dec 30, 2003 | Inactive |
| PROFESSIONAL DRYWALL SERVICE LLCSt. Marks, FL · Inactive | St. Marks, FL | LLC | Jan 12, 2004 | Inactive |
| BLUE EAGLE ENTERPRISES LLCSt. Marks, FL · Inactive | St. Marks, FL | LLC | Feb 24, 2004 | Inactive |
| WARD-VAILLANCOURT CONSTRUCTION, LLCSt. Marks, FL · Inactive | St. Marks, FL | LLC | Jun 24, 2004 | Inactive |
| 360 COASTAL DESIGN, LLCSt. Marks, FL · Inactive | St. Marks, FL | LLC | Jun 28, 2004 | Inactive |
| WARD CONSTRUCTION AND CONSULTING, L.L.C.St. Marks, FL · Inactive | St. Marks, FL | LLC | Jul 16, 2004 | Inactive |
| SUNRISE LLCSaint Marks, FL · Inactive | Saint Marks, FL | LLC | Aug 19, 2004 | Inactive |
| JAMES FARNSWORTH MASONARY LLCSt. Marks, FL · Inactive | St. Marks, FL | LLC | Feb 22, 2005 | Inactive |
| D. WARR'S SERVICES LLCSt. Marks, FL · Inactive | St. Marks, FL | LLC | Feb 22, 2005 | Inactive |
| WACALA INVESTMENTS LLC.Saint Marks, FL · Inactive | Saint Marks, FL | LLC | Mar 30, 2005 | Inactive |
| MICHAEL J. BUTLER L.L.C.St. Marks, FL · Inactive | St. Marks, FL | LLC | Oct 24, 2005 | Inactive |
| CNC LLCSt. Marks, FL · Inactive | St. Marks, FL | LLC | Jul 5, 2006 | Inactive |
| SHIELDS MARINA PROPERTIES, LLCSt. Marks, FL · Inactive | St. Marks, FL | LLC | May 16, 2007 | Inactive |
| SHIELDS INVESTMENT PROPERTIES, LLCSt. Marks, FL · Inactive | St. Marks, FL | LLC | May 16, 2007 | Inactive |
| SHIELDS DRY STORAGE, LLCSt. Marks, FL · Inactive | St. Marks, FL | LLC | May 16, 2007 | Inactive |
| JIMMY'S SEAFOOD AND STEAK GRILL LLCSaint Marks, FL · Inactive | Saint Marks, FL | LLC | Aug 10, 2007 | Inactive |
| ALDERMAN'S MOBLIE HOME & HOUSE REPAIR LLCSt. Marks, FL · Inactive | St. Marks, FL | LLC | Aug 31, 2007 | Inactive |
| PAPPY'S PIZZERIA LLCSaint Marks, FL · Inactive | Saint Marks, FL | LLC | Jan 7, 2008 | Inactive |
| ST. MARKS OUTFITTERS LLCSt. Marks, FL · Active | St. Marks, FL | LLC | Jan 18, 2008 | Active |
| OUZTS PAINTING LLCSt. Marks, FL · Inactive | St. Marks, FL | LLC | Jun 13, 2008 | Inactive |
| HOWARD CRABTREE FLOORING LLCSt. Marks, FL · Inactive | St. Marks, FL | LLC | Oct 15, 2008 | Inactive |
| STEVE SIMMONS LLCSt. Marks, FL · Inactive | St. Marks, FL | LLC | Mar 11, 2009 | Inactive |
| RSR STRATEGIES, LLCSt. Marks, FL · Active | St. Marks, FL | LLC | Sep 14, 2009 | Active |
| WORTH THE WAIT LLCSt. Marks, FL · Inactive | St. Marks, FL | LLC | Sep 28, 2009 | Inactive |
| HERREN HOME IMPROVEMENT LLCSt. Marks, FL · Inactive | St. Marks, FL | LLC | Nov 16, 2009 | Inactive |
| COASTAL ANGLER OF THE BIG BEND, LLCSt. Marks, FL · Inactive | St. Marks, FL | LLC | Jan 10, 2011 | Inactive |
| TOTAL INTERIORS, LLCSt. Marks, FL · Inactive | St. Marks, FL | LLC | May 11, 2011 | Inactive |
| BEACH TRADER PAM "LLC"St. Marks, FL · Inactive | St. Marks, FL | LLC | Sep 12, 2011 | Inactive |
| WAKULLA PAINTING LLCSopchoppy, FL · Inactive | Sopchoppy, FL | LLC | Feb 9, 2012 | Inactive |
| RETRIEVER PROPERTY SERVICES, LLCSaint Marks, FL · Inactive | Saint Marks, FL | LLC | Apr 13, 2012 | Inactive |