| JOHN HARTMAN LLCRockledge, FL · Active | Rockledge, FL | LLC | Feb 12, 2019 | Active |
| PIER RELAXATION PCB LLCSt. Petersburg, FL · Active | St. Petersburg, FL | LLC | Mar 5, 2024 | Active |
| OVATION OWNER'S ASSOCIATION, INC.St. Petersburg, FL · Active | St. Petersburg, FL | Nonprofit | Jul 27, 2006 | Active |
| BAY BREEZE COVE TOWNHOMES HOMEOWNERS ASSOCIATION, INC.St. Petersburg, FL · Active | St. Petersburg, FL | Nonprofit | Dec 23, 2004 | Active |
| LAGUNA WOODWORKS LLCStuart, FL · Active | Stuart, FL | LLC | Apr 1, 2025 | Active |
| LESTER J. HARTMAN & ASSOCIATES, INC.Welaka, FL · Inactive | Welaka, FL | Corporation | Jan 1, 1972 | Inactive |
| NORTH AMERICAN RESORT PROPERTY, INC.Location not reported, FL · Inactive | Location not reported, FL | Corporation | Jul 3, 1974 | Inactive |
| SKAGGS SUPERCENTERS, INC.Location not reported, FL · Inactive | Location not reported, FL | Corporation | Feb 9, 1973 | Inactive |
| SKAGGS-ALBERTSON'S PROPERTIES, INC.Location not reported, FL · Inactive | Location not reported, FL | Corporation | May 2, 1973 | Inactive |
| DIGITAL IDENTITY SOLUTIONS INC.Delray Beach, FL · Inactive | Delray Beach, FL | Corporation | Aug 11, 2021 | Inactive |
| J & T SERVICE LLCMelbourne, FL · Inactive | Melbourne, FL | LLC | Feb 24, 2005 | Inactive |
| OCEANGROWN SOLUTIONS, LLCClearwater, FL · Inactive | Clearwater, FL | LLC | Nov 10, 2009 | Inactive |
| JACQUELYN HARTMAN LLCTallahassee, FL · Inactive | Tallahassee, FL | LLC | Mar 17, 2010 | Inactive |
| OCEANGROWN FOUNDATION LLCFort Pierce, FL · Inactive | Fort Pierce, FL | LLC | Apr 9, 2012 | Inactive |
| HARTMAN LIVE PRODUCTIONS LLCCape Canaveral, FL · Inactive | Cape Canaveral, FL | LLC | Jan 14, 2019 | Inactive |
| KAR INVESTMENTS, LLCLocation not reported, FL · Inactive | Location not reported, FL | LLC | Mar 20, 2006 | Inactive |
| SDI PRESENCE LLCLocation not reported, FL · Inactive | Location not reported, FL | LLC | Jun 2, 2016 | Inactive |
| WOODLAKE ESTATES HOMEOWNERS ASSOCIATION, INC.Rockledge, FL · Inactive | Rockledge, FL | Nonprofit | Apr 23, 1987 | Inactive |
| HARTMAN & SEEFELT INCORPORATEDMelbourne, FL · Inactive | Melbourne, FL | Corporation | Mar 6, 2003 | Inactive |
| ELEMENTAL WATERS, INC.Springhill, FL · Inactive | Springhill, FL | Corporation | Dec 22, 2004 | Inactive |
| J & B MAINTENANCE INC.Melbourne, FL · Inactive | Melbourne, FL | Corporation | Jun 9, 2010 | Inactive |
| JOHN N. HARTMAN, INC.Marco Island, FL · Inactive | Marco Island, FL | Corporation | Dec 29, 1994 | Inactive |
| TIM ORRANGE VINYL REPAIR INC.Longwood, FL · Inactive | Longwood, FL | Corporation | Aug 12, 1996 | Inactive |