| PASREC, INC.Pace, FL · Active | Pace, FL | Corporation | Mar 10, 2003 | Active |
| NICKLAUS CHILDREN'S HEALTH CARE FOUNDATION, INC.Juno Beach, FL · Active | Juno Beach, FL | Nonprofit | Feb 7, 2003 | Active |
| NATIONAL STEM SOCIETY, INC.Orlando, FL · Active | Orlando, FL | Nonprofit | Oct 3, 2022 | Active |
| JPK 2, LLCPalm Beach Gardens, FL · Inactive | Palm Beach Gardens, FL | LLC | Aug 12, 2013 | Inactive |
| JPK 1, LLCPalm Beach Gardens, FL · Active | Palm Beach Gardens, FL | LLC | Apr 18, 2012 | Active |
| LANDMARK REALTY PROFESSIONALS, INC.Palm Beach Gardens, FL · Active | Palm Beach Gardens, FL | Corporation | May 26, 2011 | Active |
| SOVEREIGN LEADERS CORPORATIONWinter Haven, FL · Active | Winter Haven, FL | Nonprofit | Feb 18, 2019 | Active |
| UNIVERSITY CORPORATIONLocation not reported, FL · Inactive | Location not reported, FL | Corporation | Jun 14, 1963 | Inactive |
| PATGAR, INC.Fort Myers, FL · Inactive | Fort Myers, FL | Corporation | Jun 27, 1974 | Inactive |
| CONCH SHELL LIQUOR CO.Marathon, FL · Inactive | Marathon, FL | Corporation | Sep 7, 1978 | Inactive |
| E.Z. ENTERPRISE, INC.Boca Raton, FL · Inactive | Boca Raton, FL | Corporation | Jul 16, 1979 | Inactive |
| BLACK HAWK INSPIRATIONS, INC.Melbourne, FL · Inactive | Melbourne, FL | Corporation | Feb 9, 1988 | Inactive |
| MCDONALD AND MCDONALD PROPERTIES OF FLORIDA, LLCLocation not reported, FL · Inactive | Location not reported, FL | LLC | Sep 30, 2015 | Inactive |
| MCDONALD AND MCDONALD, LLCLakeland, FL · Inactive | Lakeland, FL | LLC | Aug 26, 2021 | Inactive |
| PROPERTY TAX PROFESSIONALS, INC.Palm Beach Gardens, FL · Active | Palm Beach Gardens, FL | Corporation | May 2, 1990 | Active |
| J.P. MCDONALD HOLDINGS, L.L.C.Deland, FL · Active | Deland, FL | LLC | Sep 14, 1999 | Active |
| ROBINS NEST OWNERS ASSOCIATION, INC.Jacksonville, FL · Inactive | Jacksonville, FL | Nonprofit | Mar 29, 2000 | Inactive |
| COMMUNITIES IN CHARGE, INC.Plant City, FL · Inactive | Plant City, FL | Nonprofit | Aug 8, 2011 | Inactive |
| ADVANCED RECRUITING CONSULTANTS, INC.Jacksonville, FL · Inactive | Jacksonville, FL | Corporation | Mar 20, 2001 | Inactive |
| MCDONALD GROUP, INC OF PONTE VEDRA BEACHPonte Vedra Beach, FL · Inactive | Ponte Vedra Beach, FL | Corporation | Nov 6, 2002 | Inactive |
| HEART OF WINTER PARK, INC.Winter Park, FL · Inactive | Winter Park, FL | Corporation | Oct 16, 2013 | Inactive |