ALC
| ALC | 1 |
ATEX
| Asplundh Tree Expert Co Railroad Division | 1 |
ATS
| ATS | 1 |
ATSF
| Atchison Topeka & Santa Fe | 3 |
BBRI
| BBRI | 1 |
BN
| Burlington Northern | 101 |
BNA
| Burlington Northern Business Cars | 1 |
BNSF
| BNSF Railway | 100 |
BRS
| BRS | 1 |
CBQ
| Chicago Burlington & Quincy | 1 |
CN
| Canadian National Railways | 6 |
CNW
| Chicago & Northwestern | 3 |
CP
| Canadian Pacific Railway | 78 |
CR
| Conrail | 1 |
CRDX
| Chicago Freight Car Leasing Company | 1 |
CWRX
| CWR TRANSPORTATION CO. | 1 |
DH
| Delaware & Hudson | 1 |
DME
| Dakota, Minnesota and Eastern | 1 |
DMIR
| Duluth Missabe & Iron Range | 1 |
DMN
| Duluth Missabe and Northern Railway | 1 |
DRSX
| DOT Rail Services | 1 |
DSL
| Denver & Salt Lake | 1 |
DSRC
| Dakota Southern Railway Company | 1 |
DWP
| Duluth Winnipeg & Pacific | 1 |
GREX
| Georgetown Rail Equipment Company | 6 |
GRPS
| GRPS | 1 |
HOLN
| HOLN | 2 |
HZGX
| Herzog Contracting Corporation | 6 |
IATR
| Iowa Traction Railroad Company | 1 |
KPXX
| Andersons - Railgroup | 1 |
LKPA
| LKPA | 1 |
LMIX
| Loram Maintenance of Way Inc. | 25 |
MEC
| Maine Central | 1 |
MILW
| Milwaukee Road | 7 |
MNNR
| Minnesota Commercial | 6 |
MNTX
| Minnesota Transportation Museum, Inc. | 1 |
MP
| Missouri Pacific | 1 |
MPCX
| Michels Corporation | 3 |
MTC
| MTC | 1 |
NP
| Northern Pacific | 1 |
OT
| OT | 2 |
PACX
| Plasser American Corporation | 2 |
RRVW
| Red River Valley and Western Railroad | 4 |
SOO
| Soo Line | 5 |
SP
| Southern Pacific | 1 |
SPMW
| Southern Pacific Maintenance of Way | 2 |
SPS
| Spokane Portland & Seattle | 1 |
SRS
| Sperry Rail Service | 1 |
UP
| Union Pacific Railroad Company | 48 |
UPP
| Union Pacific Passenger | 1 |
VSR
| Valley & Siletz RR | 1 |
WSOR
| Wisconsin & Southern | 1 |
WWEX
| Wood Waste Energy Incorporated | 2 |