| INTERMODAL MEXICO USA LLCJacksonville, FL · Active | Jacksonville, FL | LLC | Feb 11, 2021 | Active |
| FEC REAL ESTATE SERVICES LLCJacksonville, FL · Active | Jacksonville, FL | LLC | Nov 29, 2017 | Active |
| FEC ROW, LLCJacksonville, FL · Active | Jacksonville, FL | LLC | Nov 29, 2017 | Active |
| RAVEN TRANSPORT LOGISTICS LLCJacksonville, FL · Active | Jacksonville, FL | LLC | Oct 12, 2017 | Active |
| TLC PHASE I OWNERS' ASSOCIATION, INC.Jacksonville, FL · Active | Jacksonville, FL | Nonprofit | Nov 21, 2014 | Active |
| FLORIDA EAST COAST RAILWAY LEASING, LLCJacksonville, FL · Active | Jacksonville, FL | LLC | Aug 15, 2014 | Active |
| FLORIDA EAST COAST RAILWAY SANTA TRAIN, INC.Jacksonville, FL · Active | Jacksonville, FL | Nonprofit | Nov 21, 2013 | Active |
| FLORIDA EAST COAST RAILWAY CORP.Jacksonville, FL · Active | Jacksonville, FL | Corporation | Jan 18, 2011 | Active |
| FLORIDA EAST COAST HOLDINGS CORP.Jacksonville, FL · Active | Jacksonville, FL | Corporation | Jan 10, 2011 | Active |
| FEC HIGHWAY SERVICES, L.L.C.Jacksonville, FL · Active | Jacksonville, FL | LLC | Dec 27, 2007 | Active |
| FLORIDA EAST COAST DELIVERIES, LLCJacksonville, FL · Active | Jacksonville, FL | LLC | Dec 27, 2007 | Active |
| FLORIDA EAST COAST RAILWAY, L.L.C.Jacksonville, FL · Active | Jacksonville, FL | LLC | Sep 8, 2000 | Active |
| FLORIDA DISPATCHCO LLCMiami, FL · Active | Miami, FL | LLC | Oct 13, 2017 | Active |
| CONSULTING RESOURCE SERVICES LLCPonte Vedra, FL · Active | Ponte Vedra, FL | LLC | Jul 18, 2022 | Active |
| FECR PROPERTY I LLCJacksonville, FL · Inactive | Jacksonville, FL | LLC | Oct 13, 2017 | Inactive |
| FECR PROPERTY II LLCJacksonville, FL · Inactive | Jacksonville, FL | LLC | Oct 20, 2017 | Inactive |
| FDG HRY MEZZ A LLCJacksonville, FL · Inactive | Jacksonville, FL | LLC | Oct 20, 2017 | Inactive |
| FDG HRY MEZZ B LLCJacksonville, FL · Inactive | Jacksonville, FL | LLC | Oct 20, 2017 | Inactive |
| FDG HRY LLCJacksonville, FL · Inactive | Jacksonville, FL | LLC | Dec 11, 2017 | Inactive |
| FLORIDA EXPRESS CARRIERS LLCJacksonville, FL · Inactive | Jacksonville, FL | LLC | Jan 27, 2020 | Inactive |
| FLORIDA EAST COAST HIGHWAY LLCJacksonville, FL · Inactive | Jacksonville, FL | LLC | Feb 4, 2020 | Inactive |
| FEC ROW, LLCJacksonville, FL · Inactive | Jacksonville, FL | LLC | Nov 20, 2007 | Inactive |
| FLORIDA OPERATION LIFESAVER, INC.Tallahassee, FL · Active | Tallahassee, FL | Nonprofit | Jan 10, 1991 | Active |
| PORTER EXPRESS USA CORP.Fort Lauderdale, FL · Inactive | Fort Lauderdale, FL | Corporation | Oct 3, 1997 | Inactive |
| RAVEN TRANSPORT HOLDING, INC.Jacksonville, FL · Active | Jacksonville, FL | Corporation | Oct 20, 1998 | Active |