AB
| Akron and Barberton Cluster Railway Company | 1 |
AF
| Alabama and Florida Railway Company | 2 |
BN
| Burlington Northern | 3 |
BNSF
| BNSF Railway | 53 |
C
| C | 2 |
CN
| Canadian National Railways | 9 |
CNA
| Canadian National Railways | 1 |
COER
| Crab Orchard & Egyptian | 1 |
CP
| Canadian Pacific Railway | 7 |
CR
| Conrail | 1 |
CSX
| CSX Railroad | 17 |
CTTX
| TTX Company - Autoracks | 1 |
DM
| Detroit & Mackinac | 1 |
FXE
| Ferromex | 24 |
G
| G | 4 |
GT
| GT | 2 |
GTW
| Grand Trunk Western | 6 |
KCS
| Kansas City Southern | 16 |
MP
| Missouri Pacific | 1 |
NKCR
| Nebraska, Kansas & Colorado RailNet, Inc | 11 |
NS
| Norfolk Southern | 16 |
SFLC
| BNSF Railway | 1 |
SLFC
| SLFC | 2 |
SOO
| Soo Line | 8 |
SP
| Southern Pacific | 3 |
TINX
| Trinity Railcar | 2 |
TMM
| TMM | 1 |
TOAX
| TTX Company - Autoracks | 13 |
TT
| Toledo Terminal | 1 |
TTGX
| TTX Company-Autoracks | 1 |
UCRY
| Utah Central | 3 |
UP
| Union Pacific Railroad Company | 17 |
UPL
| UPL | 1 |
V
| V | 1 |
WC
| Wisconsin Central | 2 |