AB
| Akron and Barberton Cluster Railway Company | 1 |
AF
| Alabama and Florida Railway Company | 18 |
ATSF
| Atchison Topeka & Santa Fe | 15 |
BN
| Burlington Northern | 33 |
BNSF
| BNSF Railway | 438 |
BTTX
| TTX Company - Autoracks | 1 |
CEFX
| CIT Group/Capital Finance, Inc | 14 |
CN
| Canadian National Railways | 78 |
CNA
| Canadian National Railways | 7 |
CNW
| Chicago & Northwestern | 8 |
COER
| Crab Orchard & Egyptian | 2 |
CP
| Canadian Pacific Railway | 46 |
CPR
| Canadian Pacific Railway | 54 |
CR
| Conrail | 14 |
CSX
| CSX Railroad | 487 |
DRGW
| Denver & Rio Grande Western | 4 |
ETTX
| TTX Company - Autoracks | 1 |
FXE
| Ferromex | 145 |
G
| G | 45 |
GT
| GT | 6 |
GTW
| Grand Trunk Western | 50 |
KCS
| Kansas City Southern | 151 |
LN
| Louisville & Nashville | 1 |
MKT
| Missouri-Kansas-Texas | 2 |
MKTP
| MKTP | 2 |
MP
| Missouri Pacific | 75 |
NKCR
| Nebraska, Kansas & Colorado RailNet, Inc | 110 |
NOKL
| Northwestern Oklahoma | 34 |
NS
| Norfolk Southern | 544 |
NYC
| New York Central | 10 |
RS
| Roberval and Saguenay Railway Company | 1 |
SFLC
| BNSF Railway | 8 |
SOO
| Soo Line | 47 |
SP
| Southern Pacific | 1 |
TFM
| Kansas City Southern De Mexico | 2 |
TINX
| Trinity Railcar | 53 |
TNM
| Union Pacific Railroad Company | 1 |
TOAX
| TTX Company - Autoracks | 15 |
tS
| Texas Southern | 1 |
TTGX
| TTX Company-Autoracks | 1 |
TTTX
| TTX Company | 27 |
TTUX
| TTX Company | 1 |
UCRY
| Utah Central | 6 |
UP
| Union Pacific Railroad Company | 402 |
UTLX
| Union Tank Car Company | 1 |
WC
| Wisconsin Central | 32 |
WFRK
| WFRK | 1 |