ABOX
| TTX Company | 6 |
AC
| Algoma Central | 1 |
AN
| Apalachicola Northern | 1 |
AVL
| Aroostook Valley Railroad Company | 1 |
BAR
| Bangor & Aroostook | 2 |
BCOL
| Canadian National Railways | 3 |
BM
| Boston & Maine | 2 |
BMS
| Berlin Mills | 2 |
BN
| Burlington Northern | 2 |
CN
| Canadian National Railways | 47 |
CNA
| Canadian National Railways | 21 |
CNIS
| Canadian National Railways | 4 |
CP
| Canadian Pacific Railway | 12 |
CPAA
| Canadian Pacific Railway | 7 |
CRLE
| Coe Rail Incorporated | 1 |
CSX
| CSX Railroad | 1 |
CVC
| Canadian National Railways | 5 |
DH
| Delaware & Hudson | 1 |
DWC
| Canadian National Railways | 3 |
GNWR
| Genesee and Wyoming Railroad Company | 1 |
GTW
| Grand Trunk Western | 2 |
HS
| H and S Railroad Company | 1 |
ICG
| Illinois Central Gulf | 1 |
LVRC
| Lamoille Valley | 1 |
MDW
| Minnesota Dakota and Western Railway Com | 1 |
MP
| Missouri Pacific | 3 |
MPA
| Maryland and Pennsylvania Railroad | 3 |
MSDR
| Knoxville & Holston River Railroad | 2 |
NLG
| Kansas City Southern Railway Company (North Louisiana & Gulf) | 1 |
NOKL
| Northwestern Oklahoma | 1 |
ONT
| Ontario Northland Railway | 2 |
QC
| Quebec Central | 6 |
RBOX
| Railbox Company | 15 |
SLR
| St Lawrence & Atlantic | 1 |
SOU
| Southern | 7 |
SRN
| Sabine River & Northern | 1 |
TOE
| Texas Oklahoma and Eastern RR Company | 1 |
TSRD
| Twin State Railroad Company | 2 |
UP
| Union Pacific Railroad Company | 3 |
WC
| Wisconsin Central | 5 |