AF
| Alabama and Florida Railway Company | 1 |
AOK
| Arkansas-Oklahoma Railroad | 22 |
ATSF
| Atchison Topeka & Santa Fe | 1 |
B
| B | 11 |
BN
| Burlington Northern | 3 |
BNSF
| BNSF Railway | 44 |
C
| C | 3 |
CEFX
| CIT Group/Capital Finance, Inc | 2 |
CN
| Canadian National Railways | 12 |
CNA
| Canadian National Railways | 8 |
COER
| Crab Orchard & Egyptian | 2 |
CP
| Canadian Pacific Railway | 4 |
CPAA
| Canadian Pacific Railway | 1 |
CPR
| Canadian Pacific Railway | 6 |
CTTX
| TTX Company - Autoracks | 1 |
ETTX
| TTX Company - Autoracks | 1 |
FXE
| Ferromex | 23 |
G
| G | 1 |
GT
| GT | 2 |
KCS
| Kansas City Southern | 54 |
MKT
| Missouri-Kansas-Texas | 3 |
MP
| Missouri Pacific | 11 |
NKCR
| Nebraska, Kansas & Colorado RailNet, Inc | 12 |
NOKL
| Northwestern Oklahoma | 4 |
NS
| Norfolk Southern | 34 |
SOO
| Soo Line | 1 |
SP
| Southern Pacific | 2 |
SSW
| St Louis Southwestern (Cotton Belt) | 1 |
TINX
| Trinity Railcar | 13 |
TNM
| Union Pacific Railroad Company | 2 |
TR
| Tomahawk Railway L.P. | 3 |
TTGX
| TTX Company-Autoracks | 5 |
UCRY
| Utah Central | 2 |
UP
| Union Pacific Railroad Company | 15 |
WC
| Wisconsin Central | 1 |
WP
| Western Pacific | 1 |
WRWK
| Providence & Worchester Railroad | 1 |