AMTK
| Amtrak | 1 |
AOK
| Arkansas-Oklahoma Railroad | 1 |
ATSF
| Atchison Topeka & Santa Fe | 1 |
BN
| Burlington Northern | 1 |
BRC
| Belt Railway of Chicago | 1 |
CCRX
| Cape Cod Railroad | 1 |
CIL
| Chicago Indianapolis & Louisville (Monon | 3 |
CN
| Canadian National Railways | 5 |
CP
| Canadian Pacific Railway | 8 |
CRIP
| Chicago Rock Island & Pacific | 1 |
CSS
| Chicago South Shore And South Bend | 4 |
CSX
| CSX Railroad | 4 |
CWI
| Chicago and Western Indiana | 1 |
DODX
| Department Of Defense | 1 |
FEC
| Florida East Coast | 2 |
GMO
| Gulf Mobile & Ohio | 1 |
HTTX
| TTX Company | 1 |
ICE
| Iowa Chicago and Eastern | 1 |
INLX
| Incoal Company | 7 |
JL
| JL | 1 |
JTTX
| TTX Company | 2 |
KRL
| Kasgro Rail Lines | 4 |
LMIC
| Lake Michigan & Indiana Railroad | 25 |
LN
| Louisville & Nashville | 1 |
MP
| Missouri Pacific | 2 |
MTSX
| MAX TRANSPORTATION SERVICE | 84 |
NKP
| Nickel Plate | 4 |
NS
| Norfolk Southern | 2 |
QTTX
| TTX Company | 3 |
RAIX
| Union Carbide Corporation | 1 |
SOO
| Soo Line | 3 |
SOU
| Southern | 2 |
SP
| Southern Pacific | 3 |
SPSX
| Progress Rail Services Corp | 1 |
UP
| Union Pacific Railroad Company | 2 |
VRCX
| Vortex Recycling | 2 |