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| JOHNSON'S SEPTIC SERVICE, INC.Orlando, FL · Active | Orlando, FL | Corporation | Apr 1, 2002 | Active |
| INFINITE CORTEX CREATIONS LLCSt. Pete Beach, FL · Active | St. Pete Beach, FL | LLC | Mar 23, 2012 | Active |
| FLORIDA KEYS FUN FISHING LLCTavernier, FL · Active | Tavernier, FL | LLC | Nov 8, 2016 | Active |
| PHS FL II LLCLocation not reported, FL · Active | Location not reported, FL | LLC | Dec 27, 2021 | Active |
| MERRITT ISLAND T.A., INCMerritt Island, FL · Inactive | Merritt Island, FL | Corporation | Jun 21, 1972 | Inactive |
| DYKES-JOHNSON ARCHITECTURE, INC.Valrico, FL · Active | Valrico, FL | Corporation | Nov 21, 1972 | Active |
| GARDEN CITY COMMUNITY FIRE DEPARTMENT, INC.Jacksonville, FL · Inactive | Jacksonville, FL | Nonprofit | Nov 24, 1964 | Inactive |
| HIGHWIRED.COM, INC.Location not reported, FL · Inactive | Location not reported, FL | Corporation | May 23, 2000 | Inactive |
| GANNETT FLEMING SUSTAINABLE VENTURES CORPORATIONLocation not reported, FL · Inactive | Location not reported, FL | Corporation | Nov 19, 2001 | Inactive |
| MD JOHNSON, INC.Location not reported, FL · Inactive | Location not reported, FL | Corporation | May 19, 2005 | Inactive |
| TALLBAKKA DEVELOPMENT CORPORATION, INC.W. Palm Beach, FL · Inactive | W. Palm Beach, FL | Corporation | Mar 5, 1986 | Inactive |
| LANDSCAPE DOCTORS, LLCOrlando, FL · Inactive | Orlando, FL | LLC | Oct 13, 2008 | Inactive |
| MJ MAINTENANCE LLCTallahassee, FL · Inactive | Tallahassee, FL | LLC | Oct 5, 2011 | Inactive |
| PHS 220TH FL 1, LLCLocation not reported, FL · Inactive | Location not reported, FL | LLC | Jan 27, 2016 | Inactive |
| JOHNSON COMMONWEALTH INVESTMENTS LLCParrish, FL · Inactive | Parrish, FL | LLC | Jun 5, 2018 | Inactive |
| ISLAMORADA BOAT TOURS LLCLocation not reported, FL · Inactive | Location not reported, FL | LLC | Oct 16, 2020 | Inactive |
| AMERICAN BEACH PROPERTY OWNERS' ASSOCIATION, INC.Fernandina Beach, FL · Active | Fernandina Beach, FL | Nonprofit | Apr 16, 1996 | Active |
| MARK D. JOHNSON, P.A.Location not reported, FL · Inactive | Location not reported, FL | Corporation | Dec 7, 2005 | Inactive |
| THRIVE ENTERPRISES, INC.Oviedo, FL · Inactive | Oviedo, FL | Corporation | Aug 6, 2008 | Inactive |
| MARK JOHNSON ENTERPRISES, INC.Key Largo, FL · Inactive | Key Largo, FL | Corporation | Mar 15, 1994 | Inactive |
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