| NORTHSTAR DESIGN & CONSTRUCTION, LLCDade City, FL · Active | Dade City, FL | LLC | Apr 9, 2018 | Active |
| HAMBRO INVESTMENTS, LLCMarianna, FL · Active | Marianna, FL | LLC | Dec 9, 2019 | Active |
| JOHN M. HAMILTON, CPA, P.A.Marianna, FL · Active | Marianna, FL | Corporation | May 3, 2018 | Active |
| COWBRO INVESTMENTS, L.L.C.Marianna, FL · Active | Marianna, FL | LLC | Sep 9, 2011 | Active |
| BEACH DRIVE RETAIL, INC.St. Petersburg, FL · Active | St. Petersburg, FL | Corporation | Feb 10, 2006 | Active |
| HAMILTON GP, INC.St. Petersburg, FL · Active | St. Petersburg, FL | Corporation | Sep 20, 2001 | Active |
| FORT PIERCE AIRWAYS INCFort Pierce, FL · Inactive | Fort Pierce, FL | Corporation | Apr 11, 1930 | Inactive |
| EAST COAST LAND AND CATTLE COMPANY INCWest Palm Beach, FL · Inactive | West Palm Beach, FL | Corporation | Nov 13, 1946 | Inactive |
| GREATER LAKELAND DEVELOPMENT CORPORATION.Location not reported, FL · Inactive | Location not reported, FL | Corporation | Feb 12, 1964 | Inactive |
| MIAMI LAKES SPORTING GOODS, INC.Miami Lakes, FL · Active | Miami Lakes, FL | Corporation | Nov 6, 1973 | Active |
| JOHN M. HAMILTON, M.D., P.A.St. Petersburg, FL · Inactive | St. Petersburg, FL | Corporation | Dec 23, 1968 | Inactive |
| FISHER & SAULS, P.A.St. Petersburg, FL · Inactive | St. Petersburg, FL | Corporation | Oct 1, 1970 | Inactive |
| JOHN HAMILTON, & SONS, INC.Micco, FL · Active | Micco, FL | Corporation | Jul 8, 1980 | Active |
| LAKELAND INDUSTRIAL BOARD, INC.Location not reported, FL · Inactive | Location not reported, FL | Nonprofit | Nov 13, 1962 | Inactive |
| LAKELAND AREA JOBS, INC.Location not reported, FL · Inactive | Location not reported, FL | Nonprofit | Dec 14, 1970 | Inactive |
| PASCO BETTER BUSINESS ASSOCIATION, INC.New Port Richey, FL · Inactive | New Port Richey, FL | Nonprofit | Dec 5, 1979 | Inactive |
| LEADER CORPORATIONLocation not reported, FL · Inactive | Location not reported, FL | Corporation | May 11, 1977 | Inactive |
| HAMILTON DEVELOPMENT CORPORATIONClearwater, FL · Inactive | Clearwater, FL | Corporation | Mar 1, 1979 | Inactive |
| HAMILTON PARTNERSHIP, LTD.St. Petersburg, FL · Inactive | St. Petersburg, FL | Partnership | Oct 5, 2001 | Inactive |
| ANCHOR SAVINGS BANKLocation not reported, FL · Inactive | Location not reported, FL | Corporation | May 11, 1981 | Inactive |
| ANCHOR INVESTMENT AND MORTGAGE CORPORATIONSt. Petersburg, FL · Inactive | St. Petersburg, FL | Corporation | Dec 16, 1981 | Inactive |
| HAMILTON FINANCIAL PLANNING, INC.Orange Park, FL · Inactive | Orange Park, FL | Corporation | Jul 13, 1982 | Inactive |
| ERIN ENTERPRISES INCORPORATEDClearwater, FL · Inactive | Clearwater, FL | Corporation | Apr 17, 1984 | Inactive |
| JKG, LLCMarianna, FL · Inactive | Marianna, FL | LLC | Aug 24, 2005 | Inactive |
| EXOTIC ABYSS, LLCOrlando, FL · Inactive | Orlando, FL | LLC | May 18, 2006 | Inactive |
| LAW OFFICES OF JOHN M. HAMILTON III P.L.L.C.Saint Petersburg, FL · Inactive | Saint Petersburg, FL | LLC | Jan 19, 2010 | Inactive |
| MILK & HONEY OF MARIANNA, LLCMarianna, FL · Inactive | Marianna, FL | LLC | Aug 18, 2011 | Inactive |
| COMMUNITY CAREER CENTERS INC.Marianna, FL · Inactive | Marianna, FL | Nonprofit | Mar 18, 2002 | Inactive |
| REACHIT.ORG INC.St. Petersburg, FL · Inactive | St. Petersburg, FL | Nonprofit | Jul 22, 2011 | Inactive |
| NORTHSTAR DESIGN & CONSTRUCTION, INC.Tampa, FL · Inactive | Tampa, FL | Corporation | Jan 3, 2000 | Inactive |
| NORTHSTAR - NORTH AMERICA, INC.Clearwater, FL · Inactive | Clearwater, FL | Corporation | Jan 3, 2000 | Inactive |
| FIBERSPANS CORPORATIONLargo, FL · Inactive | Largo, FL | Corporation | Jun 22, 2000 | Inactive |
| JMH II COMPANYSt. Petersburg, FL · Inactive | St. Petersburg, FL | Corporation | Mar 7, 2003 | Inactive |
| JMH I COMPANYSt. Petersburg, FL · Inactive | St. Petersburg, FL | Corporation | Mar 7, 2003 | Inactive |
| BAY PINES PLAZA, INC.St. Petersburg, FL · Inactive | St. Petersburg, FL | Corporation | Dec 14, 1992 | Inactive |
| HAMILTON LAWN CARE, INC.Jacksonville, FL · Active | Jacksonville, FL | Corporation | Apr 2, 1993 | Active |
| REAL ESTATE TRENDLINE, INC.St. Petersburg, FL · Inactive | St. Petersburg, FL | Corporation | Aug 31, 1993 | Inactive |
| KHC CONSULTING, INC.Marianna, FL · Inactive | Marianna, FL | Corporation | Jan 21, 1994 | Inactive |
| SOUTHERN PINELLAS CONTRACTING, INC.St. Petersburg, FL · Inactive | St. Petersburg, FL | Corporation | Aug 15, 1995 | Inactive |
| THE NORTHSTAR ASSOCIATES, INC.Clearwater, FL · Inactive | Clearwater, FL | Corporation | Jun 13, 1997 | Inactive |
| LNH INVESTMENT HOLDINGS, INC.Marianna, FL · Active | Marianna, FL | Corporation | Jun 16, 1999 | Active |
| DIRECT INFORMATION SYSTEMS, INC.Orlando, FL · Inactive | Orlando, FL | Corporation | Dec 30, 1991 | Inactive |