| ESUPPORT.COM, INC.Marco Island, FL · Inactive | Marco Island, FL | Corporation | Feb 5, 2018 | Inactive |
| CIZEK TAX GROUP LTD. CORPMarco Island, FL · Inactive | Marco Island, FL | Corporation | Nov 8, 2018 | Inactive |
| PHOENIX ROOFING & CONTRUCTION OF FLORIDA INCMarco Island, FL · Inactive | Marco Island, FL | Corporation | Feb 20, 2019 | Inactive |
| PHOENIX ROOFING & CONSTRUCTION, INC.Marco Island, FL · Inactive | Marco Island, FL | Corporation | Mar 7, 2019 | Inactive |
| PHOENIX ROOFING & CONSTRUCTION, INC.Marco Island, FL · Inactive | Marco Island, FL | Corporation | May 31, 2019 | Inactive |
| TASSEMIT INCMarco Island, FL · Inactive | Marco Island, FL | Corporation | Nov 26, 2019 | Inactive |
| HORIZONS & VENTURES, INC.Marco Island, FL · Active | Marco Island, FL | Corporation | Feb 16, 1981 | Active |
| ELKAY FAMILY FOUNDATION INCORPORATEDMarco Island, FL · Active | Marco Island, FL | Nonprofit | Jan 6, 2020 | Active |
| BRAIN HEALTH CENTER, INC.Marco Island, FL · Inactive | Marco Island, FL | Corporation | Mar 18, 2020 | Inactive |
| MMB TAX AND ACCOUNTING SERVICES LTD. CORPMarco Island, FL · Inactive | Marco Island, FL | Corporation | Mar 31, 2020 | Inactive |
| JL PROPERTY INVESTMENT CO.Marco Island, FL · Inactive | Marco Island, FL | Corporation | May 29, 2020 | Inactive |
| CHIMERA ASSET DEVELOPMENT, INC.Marco Island, FL · Inactive | Marco Island, FL | Corporation | Sep 2, 2020 | Inactive |
| INTERNATIONAL SYSTEMS MANAGEMENT CORP.Marco Island, FL · Inactive | Marco Island, FL | Corporation | Apr 6, 2021 | Inactive |
| MECHANICAL AIR OF NEW ENGLAND, INC.Marco Island, FL · Inactive | Marco Island, FL | Corporation | Nov 15, 2021 | Inactive |
| HPC PUCKETT & COMPANYMarco Island, FL · Inactive | Marco Island, FL | Corporation | Nov 22, 2021 | Inactive |
| NORJEN CORP.Marco Island, FL · Active | Marco Island, FL | Corporation | Dec 2, 2021 | Active |
| ENVIRO AMBIENT CORPORATIONMarco Island, FL · Inactive | Marco Island, FL | Corporation | Feb 17, 2022 | Inactive |
| SHAREQUIP INC.Marco Island, FL · Inactive | Marco Island, FL | Corporation | Apr 6, 2022 | Inactive |
| MGA ADMINISTRATIVE SERVICES INC.Marco Island, FL · Inactive | Marco Island, FL | Corporation | Jul 25, 2022 | Inactive |
| REAL ESTATE AND LOANS CORP.Marco Island, FL · Inactive | Marco Island, FL | Corporation | Sep 15, 2022 | Inactive |
| LOMUPO TRUCKING CORPMarco Island, FL · Inactive | Marco Island, FL | Corporation | Nov 21, 2023 | Inactive |
| DOUBLE DIAMOND PROPERTY AND CONSTRUCTION SERVICES, INCMarco Island, FL · Inactive | Marco Island, FL | Corporation | Oct 20, 2025 | Inactive |
| INSTANT SYSTEMS USA, INC.Marco Island, FL · Active | Marco Island, FL | Corporation | Mar 6, 2026 | Active |
| SURVAIOR INC.Marco Island, FL · Active | Marco Island, FL | Corporation | Jul 13, 2026 | Active |
| SASSA & CONCANNON, INC.Marco Island, FL · Active | Marco Island, FL | Corporation | Jul 20, 2026 | Active |
| PARMELEE CONSULTING GROUP, INC.Marco Island, FL · Active | Marco Island, FL | Corporation | Jul 21, 2026 | Active |
| DIEHL, INC.Marco Island, FL · Inactive | Marco Island, FL | Corporation | Apr 1, 1981 | Inactive |
| AIR SHIP 'N SHORE TRAVEL AGENCY, INC.Marco Island, FL · Inactive | Marco Island, FL | Corporation | Apr 1, 1981 | Inactive |
| MEDICAL MARKETING INTERNATIONAL, INC.Marco Isld, FL · Inactive | Marco Isld, FL | Corporation | Apr 23, 1981 | Inactive |
| GAIL PROPERTIES (U.S.), INC.Marco Island, FL · Inactive | Marco Island, FL | Corporation | Apr 22, 1981 | Inactive |
| PELICAN REALTY OF MARCO ISLAND, INC.Marco Island, FL · Inactive | Marco Island, FL | Corporation | Jun 1, 1981 | Inactive |
| BAYER DENTAL LABORATORY, INC.Marco Island, FL · Active | Marco Island, FL | Corporation | Sep 18, 1981 | Active |
| ISLAND REHABILITATION & FITNESS CENTER, INC.Marco Island, FL · Inactive | Marco Island, FL | Corporation | Nov 20, 1981 | Inactive |
| ISLAND TITLE GUARANTY AGENCY, INC.Marco Island, FL · Inactive | Marco Island, FL | Corporation | Feb 12, 1982 | Inactive |
| FLORENTINE PROPERTIES, INC.Marco Island, FL · Inactive | Marco Island, FL | Corporation | Mar 9, 1982 | Inactive |
| BROOKE'S AUTO SERVICE, INC.Marco Island, FL · Inactive | Marco Island, FL | Corporation | Mar 29, 1982 | Inactive |
| PAUL FORD CUSTOM BUILDERS, INC.Marco Island, FL · Inactive | Marco Island, FL | Corporation | Apr 13, 1982 | Inactive |
| THE NILAN ACCOUNT, INC.Marco Island, FL · Inactive | Marco Island, FL | Corporation | Apr 15, 1982 | Inactive |
| ISLAND AUTOMOTIVE, INC.Marco Island, FL · Active | Marco Island, FL | Corporation | Apr 28, 1982 | Active |
| G.C.T., INC.Marco Island, FL · Active | Marco Island, FL | Corporation | Apr 6, 1993 | Active |
| SAMPSON AIR CONDITIONING INC.Marco Island, FL · Inactive | Marco Island, FL | Corporation | Apr 15, 1993 | Inactive |
| RUDENZ AGMarco Island, FL · Inactive | Marco Island, FL | Corporation | Nov 14, 1994 | Inactive |
| HAROLD R. RUDOLPH ENTERPRISES, INC.Marco Island, FL · Inactive | Marco Island, FL | Corporation | Feb 15, 1995 | Inactive |
| AQUIA BEACH MARINA, INC.Marco Island, FL · Inactive | Marco Island, FL | Corporation | Mar 3, 1995 | Inactive |
| BRODERICK PROPERTIES CORPORATIONMarco Island, FL · Inactive | Marco Island, FL | Corporation | Apr 3, 1995 | Inactive |
| FAEPA C.A., INC.Marco Island, FL · Inactive | Marco Island, FL | Corporation | Apr 17, 1995 | Inactive |
| GENE AND MARY SARAZEN FOUNDATION, INC.Marco Island, FL · Active | Marco Island, FL | Nonprofit | Aug 4, 1995 | Active |
| SOUTHWEST TRADERS, INC.Marco Island, FL · Inactive | Marco Island, FL | Corporation | Sep 11, 1995 | Inactive |
| KAHUNA KATAMARANS, LTD. CO.Marco Island, FL · Inactive | Marco Island, FL | Corporation | Nov 2, 1995 | Inactive |
| GUARANTEED FINANCE, INC.Marco Island, FL · Inactive | Marco Island, FL | Corporation | Apr 2, 1996 | Inactive |