| UNIVERSAL CLEANING SOLUTIONS, INC.Naples, FL · Active | Naples, FL | Corporation | Oct 9, 2003 | Active |
| DON O'CONNELL SCHOLARSHIP FUND, INC.Marco Island, FL · Active | Marco Island, FL | Nonprofit | Feb 19, 2025 | Active |
| SAN MARCO D5, LLCMarco Island, FL · Active | Marco Island, FL | LLC | Oct 10, 2022 | Active |
| KRAMER KELLERHOUSE, CHARTEREDMarco Island, FL · Active | Marco Island, FL | Corporation | Feb 23, 2021 | Active |
| 501 SUNRISE BAY RESORT, LLCMarco Island, FL · Active | Marco Island, FL | LLC | May 8, 2020 | Active |
| RKKKPK, INC.Marco Island, FL · Active | Marco Island, FL | Corporation | Jun 3, 2015 | Active |
| MARCO ISLAND SENIOR SOFTBALL LEAGUE, INC.Marco Island, FL · Active | Marco Island, FL | Nonprofit | Mar 10, 2015 | Active |
| WALIMA PLUMBING, INC.Marco Island, FL · Active | Marco Island, FL | Corporation | Oct 1, 2014 | Active |
| AMBORO VISTA, LLCMarco Island, FL · Active | Marco Island, FL | LLC | Jul 12, 2013 | Active |
| PREVITI S & P ASSOCIATES, LLCMarco Island, FL · Active | Marco Island, FL | LLC | Oct 14, 2011 | Active |
| MARCO GOLF & GARDEN, L.L.C.Marco Island, FL · Active | Marco Island, FL | LLC | Sep 9, 2011 | Active |
| NICOLA DAVIS, P.L.Marco Island, FL · Active | Marco Island, FL | LLC | Jan 4, 2011 | Active |
| 403 MONTERREY, LLCMarco Island, FL · Active | Marco Island, FL | LLC | Apr 13, 2009 | Active |
| NANDP, LLCMarco Island, FL · Active | Marco Island, FL | LLC | Aug 31, 2007 | Active |
| MARCO VANTAGE POINT 118, LLCMarco Island, FL · Active | Marco Island, FL | LLC | Aug 16, 2007 | Active |
| DONNA DI PROMESSA, LLCMarco Island, FL · Active | Marco Island, FL | LLC | Jun 6, 2006 | Active |
| SERVICE PROFESSIONALS OF FLORIDA, LLCMarco Island, FL · Active | Marco Island, FL | LLC | Aug 4, 2005 | Active |
| TIM H. SYKES, P.A.Punta Gorda, FL · Active | Punta Gorda, FL | Corporation | Oct 19, 2001 | Active |
| THE JOY OF GIVING, INC.Marco Island, FL · Active | Marco Island, FL | Nonprofit | Nov 30, 2000 | Active |
| 18 & 26 SYLVESTER STREET LLCLocation not reported, FL · Active | Location not reported, FL | LLC | Feb 9, 2018 | Active |
| 225 PRICE STREET, LLCLocation not reported, FL · Active | Location not reported, FL | LLC | Jun 1, 2015 | Active |
| LAWYERS' ABSTRACT SERVICE, INC.Naples, FL · Inactive | Naples, FL | Corporation | Jul 13, 1955 | Inactive |
| CISTERNA INCLocation not reported, FL · Inactive | Location not reported, FL | Corporation | Jun 2, 1969 | Inactive |
| CAXAMBAS SAILING, INC.Marco Island, FL · Inactive | Marco Island, FL | Corporation | Sep 12, 1978 | Inactive |
| REE - GEE PLASTICS CORPORATIONMarco Island, FL · Inactive | Marco Island, FL | Corporation | Dec 15, 1978 | Inactive |
| JET PORT CORPORATIONMarco Island, FL · Inactive | Marco Island, FL | Corporation | Jan 8, 1979 | Inactive |
| SILENCIO, INC.Marco Island, FL · Inactive | Marco Island, FL | Corporation | Apr 23, 1979 | Inactive |
| ISLAND RESIDENTIAL SERVICES, INC.Location not reported, FL · Inactive | Location not reported, FL | Corporation | Aug 10, 1979 | Inactive |
| H.R.I. INC. OF FLORIDAMarco Island, FL · Inactive | Marco Island, FL | Corporation | Jun 30, 1980 | Inactive |
| FAY PRO, INC.Marco Island, FL · Inactive | Marco Island, FL | Corporation | Sep 30, 1980 | Inactive |
| BROOKS - JENNINGS, INC.Marco Island, FL · Inactive | Marco Island, FL | Corporation | Jul 10, 1981 | Inactive |
| THE NAPLES SOCCER CLUB, INC.Marco Island, FL · Inactive | Marco Island, FL | Nonprofit | Sep 9, 1977 | Inactive |
| TARPON POINT VILLA CONDOMINIUM ASSOCIATION, INC.Marco Island, FL · Inactive | Marco Island, FL | Nonprofit | Apr 1, 1980 | Inactive |
| SUNSET VACATION RESORT, INC.Marco Island, FL · Inactive | Marco Island, FL | Nonprofit | Apr 30, 1980 | Inactive |
| BARRON RIVER VACATION RESORT, INC.Marco Island, FL · Inactive | Marco Island, FL | Nonprofit | Jul 15, 1980 | Inactive |
| PENNSYLVANIA - KEYSTONE SOCIETY OF COLLIER COUNTY, INC.Marco Island, FL · Inactive | Marco Island, FL | Nonprofit | Dec 9, 1980 | Inactive |
| MARCO ISLAND SHELL CLUB, INC.Marco Island, FL · Active | Marco Island, FL | Nonprofit | Feb 25, 1982 | Active |
| THE MARCO RETREAT CONDOMINIUM ASSOCIATION, INC.Marco Island, FL · Inactive | Marco Island, FL | Nonprofit | Apr 14, 1983 | Inactive |
| JFM ASSOCIATES, INC.Location not reported, FL · Inactive | Location not reported, FL | Corporation | Sep 12, 1978 | Inactive |
| H, H & G,INC.Location not reported, FL · Inactive | Location not reported, FL | Corporation | Feb 24, 1983 | Inactive |
| LIGHTHOUSE AUDIO VISUAL RENTALS, INC.Marco Island, FL · Inactive | Marco Island, FL | Corporation | Nov 1, 1980 | Inactive |
| GULF OF MEXICO LEASING, INC.Marco Island, FL · Inactive | Marco Island, FL | Corporation | Nov 25, 1980 | Inactive |
| FREDERICK C. KRAMER, P.A.Marco Island, FL · Inactive | Marco Island, FL | Corporation | Feb 23, 1981 | Inactive |
| BURTON'S RENT A PLANT, INC.Marco Island, FL · Inactive | Marco Island, FL | Corporation | Feb 12, 1982 | Inactive |
| MARCO BUILDER ASSOCIATES, INC.Marco Island, FL · Inactive | Marco Island, FL | Corporation | Mar 10, 1982 | Inactive |
| DAYTONA ASSOCIATES INCORPORATEDMarco Island, FL · Inactive | Marco Island, FL | Corporation | Mar 31, 1982 | Inactive |
| INVESTMENTS INTERNATIONAL REALTY, INC.Marco Island, FL · Inactive | Marco Island, FL | Corporation | Mar 31, 1982 | Inactive |
| MARCO ISLAND VACATIONS, INC.Marco Island, FL · Inactive | Marco Island, FL | Corporation | May 10, 1982 | Inactive |
| FREDERICK CONSTRUCTION INCORPORATEDMarco Island, FL · Inactive | Marco Island, FL | Corporation | Jul 14, 1982 | Inactive |
| AGRICULTURAL INVESTMENT SERVICES, INC.Location not reported, FL · Inactive | Location not reported, FL | Corporation | Jul 15, 1982 | Inactive |