ACL
| Atlantic Coast Line | 1 |
ARR
| Alaska Railroad | 2 |
AT
| Auto Train | 1 |
ATSF
| Atchison Topeka & Santa Fe | 6 |
BCOL
| Canadian National Railways | 1 |
BN
| Burlington Northern | 5 |
BO
| Baltimore & Ohio | 1 |
BRMX
| Berkshire Railway Museum Inc | 1 |
CASS
| Cass Scenic | 1 |
COP
| City of Prineville Railway | 9 |
CP
| Canadian Pacific Railway | 1 |
CRR
| Clinchfield | 2 |
CRRM
| Colorado Railroad Museum | 1 |
EPTC
| East Portland Traction | 1 |
ESNA
| Eureka Springs and North Arkansas | 1 |
FWD
| Fort Worth & Denver | 2 |
GN
| Great Northern | 1 |
GSM
| Great Smokey Mountains Railway | 1 |
GVRX
| Grapevine Vintage Railroad | 1 |
INPR
| Idaho Northern and Pacific Railroad | 1 |
LCS
| LCS | 1 |
MH
| Mount Hood Railroad | 1 |
MP
| Missouri Pacific | 4 |
MR
| McCloud Railway Company | 2 |
NC
| CSX Transportation Incorporated | 1 |
NICX
| Echo freight | 1 |
NN
| Northern Nevada Railroad Corporation | 1 |
NP
| Northern Pacific | 3 |
NSRM
| NSRM | 1 |
OCE
| Oregon California & Eastern | 6 |
PGE
| Pacific Great Eastern | 1 |
PNWR
| Portland and Western Railroad Incorporat | 1 |
PRR
| Pennsylvania Railroad | 1 |
RGEX
| Royal Gorge Industries LLC | 1 |
SCL
| Seaboard Coast Line | 3 |
SLSF
| Saint Louis-San Francisco | 1 |
SP
| Southern Pacific | 2 |
SRYC
| Sierra Railway Company of California | 1 |
SSW
| St Louis Southwestern (Cotton Belt) | 1 |
STC
| STC | 1 |
SVRY
| SVRY | 2 |
TCG
| Tucson Cornelia and Gila Bend Railroad Company | 1 |
TSR
| Texas State Railroad | 1 |
UP
| Union Pacific Railroad Company | 4 |
USAX
| United States Army | 1 |
VS
| V and S Railway Incorporated | 1 |
WAB
| Wabash | 1 |
WM
| Western Maryland | 1 |
WURR
| WURR | 1 |
WX
| WX | 1 |