| IVORY CHOICE TERMINAL CO.Jacksonville, FL · Active | Jacksonville, FL | Corporation | May 26, 2021 | Active |
| DALLAS, GARLAND & NORTHEASTERN RAILROAD, INC.Jacksonville, FL · Active | Jacksonville, FL | Corporation | Oct 20, 2020 | Active |
| ATLANTIC WESTERN TRANSPORTATION, INC.Jacksonville, FL · Active | Jacksonville, FL | Corporation | Oct 16, 2020 | Active |
| CAGY INDUSTRIES, INC.Jacksonville, FL · Active | Jacksonville, FL | Corporation | Oct 16, 2020 | Active |
| CHATTAHOOCHEE INDUSTRIAL RAILROAD INC.Jacksonville, FL · Active | Jacksonville, FL | Corporation | Oct 18, 2017 | Active |
| KWT RAILWAY, INC.Jacksonville, FL · Active | Jacksonville, FL | Corporation | Oct 18, 2017 | Active |
| CHATTOOGA & CHICKAMAUGA RAILWAY CO.Jacksonville, FL · Active | Jacksonville, FL | Corporation | Oct 17, 2017 | Active |
| COLUMBUS & CHATTAHOOCHEE RAILROAD, INC.Jacksonville, FL · Active | Jacksonville, FL | Corporation | Oct 17, 2017 | Active |
| CONECUH VALLEY RAILWAY, L.L.C.Jacksonville, FL · Active | Jacksonville, FL | LLC | Oct 17, 2017 | Active |
| EASTERN ALABAMA RAILWAY, LLCJacksonville, FL · Active | Jacksonville, FL | LLC | Oct 17, 2017 | Active |
| GEORGIA SOUTHWESTERN RAILROAD, INC.Jacksonville, FL · Active | Jacksonville, FL | Corporation | Oct 17, 2017 | Active |
| GOLDEN ISLES TERMINAL RAILROAD, INC.Jacksonville, FL · Active | Jacksonville, FL | Corporation | Oct 17, 2017 | Active |
| HEART OF GEORGIA RAILROAD, INC.Jacksonville, FL · Active | Jacksonville, FL | Corporation | Oct 17, 2017 | Active |
| HILTON & ALBANY RAILROAD, INC.Jacksonville, FL · Active | Jacksonville, FL | Corporation | Oct 17, 2017 | Active |
| LOUISIANA & DELTA RAILROAD, INC.Jacksonville, FL · Active | Jacksonville, FL | Corporation | Oct 17, 2017 | Active |
| LUXAPALILA VALLEY RAILROAD, INC.Jacksonville, FL · Active | Jacksonville, FL | Corporation | Oct 17, 2017 | Active |
| RP ACQUISITION COMPANY ONEJacksonville, FL · Active | Jacksonville, FL | Corporation | Aug 2, 2013 | Active |
| G&W OPERATIONS, INC.Location not reported, FL · Active | Location not reported, FL | Corporation | Mar 24, 2021 | Active |
| RAILAMERICA HOLDING SERVICES, INC.Location not reported, FL · Active | Location not reported, FL | Corporation | Oct 16, 2020 | Active |
| RAILTEX, INC.Location not reported, FL · Active | Location not reported, FL | Corporation | Sep 6, 2011 | Active |
| CHATTAHOOCHEE BAY RAILROAD, INC.Jacksonville, FL · Inactive | Jacksonville, FL | Corporation | Oct 17, 2017 | Inactive |
| ALABAMA & GULF COAST RAILWAY LLCJacksonville, FL · Active | Jacksonville, FL | LLC | Aug 26, 1997 | Active |