AEX
| Andersons | 3 |
ATSF
| Atchison Topeka & Santa Fe | 1 |
BN
| Burlington Northern | 3 |
BNSF
| BNSF Railway | 2 |
CR
| Conrail | 23 |
CSX
| CSX Railroad | 10 |
DRGW
| Denver & Rio Grande Western | 12 |
HCSX
| Helm Chesapeake LLP | 11 |
HLMX
| Helm Financial Corporation | 9 |
MEC
| Maine Central | 1 |
MP
| Missouri Pacific | 8 |
NS
| Norfolk Southern | 55 |
NW
| Norfolk & Western | 13 |
NYC
| New York Central | 2 |
PW
| Providence and Worcester | 4 |
RBMN
| Reading Blue Mountain & Northern | 135 |
SOU
| Southern | 3 |
UP
| Union Pacific Railroad Company | 11 |