| COMCAST OF GREATER FLORIDA/GEORGIA, INC.Location not reported, FL · Inactive | Location not reported, FL | Corporation | Feb 25, 1971 | Inactive |
| COMCAST OF SOUTH FLORIDA I, INC.Location not reported, FL · Inactive | Location not reported, FL | Corporation | Mar 2, 1971 | Inactive |
| COMCAST OF MARGATE, INC.Location not reported, FL · Inactive | Location not reported, FL | Corporation | Sep 17, 1976 | Inactive |
| COMCAST OF SOUTH DADE, INC.Location not reported, FL · Inactive | Location not reported, FL | Corporation | May 9, 1978 | Inactive |
| COMCAST OF PARKLAND, INC.Location not reported, FL · Inactive | Location not reported, FL | Corporation | Oct 17, 1978 | Inactive |
| COMCAST OF WYOMING I, INC.Location not reported, FL · Inactive | Location not reported, FL | Corporation | Nov 3, 1978 | Inactive |
| ATLANTIC AMERICAN HOLDINGS, INC.Location not reported, FL · Inactive | Location not reported, FL | Corporation | Jan 1, 1979 | Inactive |
| COMCAST OF COCONUT CREEK, INC.Location not reported, FL · Inactive | Location not reported, FL | Corporation | Jul 26, 1979 | Inactive |
| COMCAST OF COLORADO/FLORIDA, INC.Location not reported, FL · Active | Location not reported, FL | Corporation | Sep 14, 1972 | Active |
| JEROME MEDICAL SYSTEMS, INC.Jacksonville, FL · Inactive | Jacksonville, FL | Corporation | Oct 19, 1983 | Inactive |
| TCI MATERIALS MANAGEMENT, INC.Location not reported, FL · Inactive | Location not reported, FL | Corporation | Oct 17, 2000 | Inactive |
| COMCAST ABB MANAGEMENT CORPORATIONLocation not reported, FL · Inactive | Location not reported, FL | Corporation | Dec 15, 2000 | Inactive |
| COMCAST OF FLORIDA III, INC.Location not reported, FL · Active | Location not reported, FL | Corporation | Dec 20, 2000 | Active |
| DISTRICT CABLEVISION, INC.Location not reported, FL · Inactive | Location not reported, FL | Corporation | Dec 21, 2000 | Inactive |
| COMCAST OF FLORIDA/ILLINOIS/MICHIGAN, INC.Location not reported, FL · Inactive | Location not reported, FL | Corporation | Jan 30, 2001 | Inactive |
| TCI CENTRAL, INC.Location not reported, FL · Inactive | Location not reported, FL | Corporation | Apr 18, 2001 | Inactive |
| HERITAGE CABLEVISION OF MASSACHUSETTS, INC.Location not reported, FL · Inactive | Location not reported, FL | Corporation | May 10, 2001 | Inactive |
| COMCAST SPOTLIGHT, INC.Location not reported, FL · Inactive | Location not reported, FL | Corporation | Aug 8, 2002 | Inactive |
| COMCAST SHARED SERVICES CORPORATIONLocation not reported, FL · Inactive | Location not reported, FL | Corporation | Feb 6, 2004 | Inactive |
| COMCAST CABLE COMMUNICATIONS HOLDINGS, INC.Location not reported, FL · Inactive | Location not reported, FL | Corporation | Dec 30, 2005 | Inactive |
| LAST MINUTE TEE TIMES, INC.Location not reported, FL · Inactive | Location not reported, FL | Corporation | Sep 12, 2008 | Inactive |
| CTI TOWERS, INC.Location not reported, FL · Inactive | Location not reported, FL | Corporation | Aug 1, 2011 | Inactive |
| CTI TOWERS, INC.Location not reported, FL · Inactive | Location not reported, FL | Corporation | Jan 7, 2014 | Inactive |
| COMCAST OF NORTH BROWARD, INC.Location not reported, FL · Inactive | Location not reported, FL | Corporation | Sep 30, 2016 | Inactive |
| COMCAST OF FLORIDA I, INC.Location not reported, FL · Inactive | Location not reported, FL | Corporation | Jun 19, 2017 | Inactive |
| COMCAST OF FLORIDA I, INC.Location not reported, FL · Inactive | Location not reported, FL | Corporation | Jan 4, 2018 | Inactive |
| COMCAST OF MIAMI, INC.Location not reported, FL · Inactive | Location not reported, FL | Corporation | May 31, 1981 | Inactive |
| STORER DISBURSEMENTS, INC.Location not reported, FL · Inactive | Location not reported, FL | Corporation | May 21, 1982 | Inactive |
| COMCAST LONG DISTANCE, INC.Location not reported, FL · Inactive | Location not reported, FL | Corporation | Feb 7, 1997 | Inactive |
| COMCAST OF ILLINOIS IV, INC.Location not reported, FL · Inactive | Location not reported, FL | Corporation | Oct 14, 1998 | Inactive |
| COMCAST OF ILLINOIS VI, INC.Location not reported, FL · Inactive | Location not reported, FL | Corporation | Oct 14, 1998 | Inactive |
| COMCAST OF ILLINOIS VII, INC.Location not reported, FL · Inactive | Location not reported, FL | Corporation | Jun 21, 1983 | Inactive |
| TCID OF FLORIDA, INC.Location not reported, FL · Inactive | Location not reported, FL | Corporation | Jun 29, 1984 | Inactive |
| ATLANTIC AMERICAN CABLEVISION OF FLORIDA, INC.Location not reported, FL · Inactive | Location not reported, FL | Corporation | Nov 15, 1984 | Inactive |
| COMCAST MO FINANCIAL SERVICES, INC.Location not reported, FL · Inactive | Location not reported, FL | Corporation | Feb 17, 1984 | Inactive |
| COMCAST OF PANAMA CITY, INC.Location not reported, FL · Inactive | Location not reported, FL | Corporation | Mar 18, 1986 | Inactive |
| COMCAST OF SOUTH FLORIDA II, INC.Location not reported, FL · Inactive | Location not reported, FL | Corporation | Apr 15, 1986 | Inactive |
| COMCAST OF FLORIDA II, INC.Location not reported, FL · Inactive | Location not reported, FL | Corporation | Apr 15, 1986 | Inactive |
| COMCAST OF GEORGIA/MASSACHUSETTS, INC.Location not reported, FL · Inactive | Location not reported, FL | Corporation | Dec 5, 1990 | Inactive |
| COMCAST OF THE GULF PLAINS, INC.Location not reported, FL · Inactive | Location not reported, FL | Corporation | Jan 28, 1992 | Inactive |