AEX
| Andersons | 1 |
ANGX
| Andersons - Railgroup | 2 |
AOK
| Arkansas-Oklahoma Railroad | 8 |
AOKX
| Greenbrier Management Services, LLC | 2 |
BM
| Boston & Maine | 66 |
BTCX
| Browner Turnout Company | 1 |
BVRY
| Brandywine Valley Railroad Company | 23 |
CHTT
| Chicago Heights Terminal Transfer | 1 |
CN
| Canadian National Railways | 14 |
CNW
| Chicago & Northwestern | 5 |
CR
| Conrail | 40 |
DLRX
| General Electric Rail Services | 9 |
DRGW
| Denver & Rio Grande Western | 1 |
EJE
| Elgin Joliet and Eastern | 28 |
FEC
| Florida East Coast | 10 |
FXE
| Ferromex | 2 |
GRW
| Gary Railway | 30 |
IC
| Illinois Central | 4 |
IHB
| Indiana Harbor Belt | 39 |
ITC
| Illinois Terminal Railroad | 4 |
LGEX
| L.G. Everist Incorporated | 12 |
LT
| Lake Terminal Railroad Company | 33 |
MEC
| Maine Central | 34 |
MKC
| McKeesport Connecting Railroad Company | 4 |
MP
| Missouri Pacific | 9 |
NS
| Norfolk Southern | 510 |
NSR
| Newburgh and South Shore Railroad Compan | 7 |
NW
| Norfolk & Western | 4 |
RDG
| Reading Railroad | 1 |
RMDX
| American Refrigerator Transit Company | 2 |
RMGX
| Andersons - Railgroup | 6 |
RMLX
| RMG LEASING LLC | 1 |
SIMX
| Sturgis Iron & Metal | 1 |
SNC
| Saratoga & North Creek Railway | 1 |
SP
| Southern Pacific | 5 |
SPSX
| Progress Rail Services Corp | 1 |
UMP
| Upper Merion and Plymouth Railroad | 20 |
UP
| Union Pacific Railroad Company | 2 |
WC
| Wisconsin Central | 1 |
WPRR
| Willamette and Pacific | 1 |