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| RETAILFIRST INSURANCE COMPANYLakeland, FL · Active | Lakeland, FL | Corporation | Nov 17, 2010 | Active |
| RETAILFIRST MUTUAL HOLDINGS, INC.Lakeland, FL · Active | Lakeland, FL | Corporation | Nov 17, 2010 | Active |
| RETAILFIRST SERVICES, LLCLakeland, FL · Active | Lakeland, FL | LLC | Nov 17, 2010 | Active |
| BUSINESSFIRST INSURANCE COMPANYLakeland, FL · Active | Lakeland, FL | Corporation | Feb 14, 2003 | Active |
| COMMERCIAL INSURANCE OF CENTRAL FLORIDA, INC.Lakeland, FL · Inactive | Lakeland, FL | Corporation | May 20, 1978 | Inactive |
| SUMMIT LOSS CONTROL SERVICES, INC.Lakeland, FL · Inactive | Lakeland, FL | Corporation | Feb 26, 1980 | Inactive |
| SUMMIT CLAIMS MANAGEMENT, INC.Lakeland, FL · Inactive | Lakeland, FL | Corporation | Feb 14, 1989 | Inactive |
| AIRSUPPORT LLCDunnellon, FL · Inactive | Dunnellon, FL | LLC | Jul 31, 2012 | Inactive |
| NORTH STAR BUSINESS CONSULTANTS LLCLocation not reported, FL · Active | Location not reported, FL | LLC | Aug 2, 2019 | Active |
| HIGH GATE SPORT HORSES LLCLocation not reported, FL · Active | Location not reported, FL | LLC | Jun 26, 2020 | Active |
| QUANTUM OS PT SOLUTIONS, INC.Tampa, FL · Inactive | Tampa, FL | Corporation | Sep 17, 2002 | Inactive |
| QUANTUM RX SOLUTIONS, INC.Tampa, FL · Inactive | Tampa, FL | Corporation | Nov 10, 2004 | Inactive |
| QUANTUN HC PT SOLUTIONS, INC.Tampa, FL · Inactive | Tampa, FL | Corporation | May 29, 2007 | Inactive |
| C. E. SCHOOLS, INC.Lakeland, FL · Inactive | Lakeland, FL | Corporation | Mar 30, 1994 | Inactive |
| SUMMIT HEALTHCARE HOLDINGS, INC.Lakeland, FL · Inactive | Lakeland, FL | Corporation | Jan 23, 1995 | Inactive |
| TURNKEY RESOURCES, INC.Lakeland, FL · Inactive | Lakeland, FL | Corporation | Jul 5, 1996 | Inactive |
| TURNKEY INSURANCE SERVICES, INC.Lakeland, FL · Inactive | Lakeland, FL | Corporation | Mar 19, 1997 | Inactive |
| QUANTUM WC PT SOLUTIONS, INC.Tampa, FL · Inactive | Tampa, FL | Corporation | May 8, 1997 | Inactive |
| SUMMIT HOLDING CORPORATIONLakeland, FL · Inactive | Lakeland, FL | Corporation | Jan 15, 1992 | Inactive |