AKMD
| Arkansas Midland Railroad Company | 3 |
AN
| Apalachicola Northern | 1 |
ASAB
| Bay Line Railroad LLC | 4 |
BAYL
| Bay Line, LLC | 18 |
CSX
| CSX Railroad | 10 |
FPBX
| International Paper Corporation | 12 |
GACX
| General American Marks Company | 2 |
GFRR
| Georgia and Florida Railnet | 1 |
GPSX
| Georgia-Pacific Corporation Eastern Wood Products Mfg.Divisi | 7 |
HPJX
| Helm-Pacific Leasing | 1 |
KSCX
| KAPSTONE CHARLESTON KRAFT, LLC | 1 |
LFP
| Langdale Forest Products | 2 |
MB
| Meridian & Bigbee | 2 |
MP
| Missouri Pacific | 4 |
NS
| Norfolk Southern | 1 |
RRLX
| Rail Logistics, LC | 1 |
SOU
| Southern | 9 |
TOE
| Texas Oklahoma and Eastern RR Company | 5 |