ALAB
| Alabama Railroad | 1 |
BAEX
| Andersons | 66 |
CMHX
| CarMath Incorporated | 6 |
CSX
| CSX Railroad | 228 |
HPJX
| Helm-Pacific Leasing | 11 |
KCS
| Kansas City Southern | 4 |
KXHR
| Knoxville & Holston River RR | 2 |
LRS
| Laurinburg and Southern | 1 |
MP
| Missouri Pacific | 3 |
MRL
| Montana Rail Link | 1 |
NS
| Norfolk Southern | 185 |
NW
| Norfolk & Western | 9 |
SBD
| Seaboard System | 2 |
WCOR
| Wellsboro and Corning Railroad Company | 1 |
YVRR
| Yadkin Valley | 1 |