ARTX
| Artrain | 2 |
CHV
| Chattahoochee Valley Ry | 1 |
CSX
| CSX Railroad | 6 |
GNRR
| Georgia Northeastern | 1 |
LN
| Louisville & Nashville | 1 |
MB
| Meridian & Bigbee | 1 |
MCVX
| Massuchusetts Call/Volunteer Firefighters Assoc. | 3 |
NS
| Norfolk Southern | 4 |
RGS
| Rio Grande Southern | 1 |
SBD
| Seaboard System | 2 |
SC
| SC | 2 |
SCL
| Seaboard Coast Line | 7 |
SOU
| Southern | 5 |
WCLR
| Waccamaw Coastline | 1 |