ACEX
| Altamont Commuter Express | 4 |
ACL
| Atlantic Coast Line | 1 |
AEE
| American European Express | 1 |
AERC
| Albany and Eastern Railroad Company | 1 |
AMTK
| Amtrak | 101 |
ARR
| Alaska Railroad | 80 |
ATSF
| Atchison Topeka & Santa Fe | 3 |
BCOL
| Canadian National Railways | 5 |
BKSX
| BKSX | 1 |
BM
| Boston & Maine | 1 |
BN
| Burlington Northern | 2 |
BNA
| Burlington Northern Business Cars | 4 |
BNSF
| BNSF Railway | 15 |
CBQ
| Chicago Burlington & Quincy | 9 |
CCRR
| Claremont Concord | 2 |
CDTX
| California DOT | 3 |
CFNR
| California Northern | 1 |
CG
| Central Of Georgia | 3 |
CGW
| Chicago Great Western | 1 |
CNJ
| Central Rail Road of New Jersey | 2 |
CNW
| Chicago & Northwestern | 8 |
COP
| City of Prineville Railway | 3 |
CP
| Canadian Pacific Railway | 2 |
CRDT
| CRDT | 1 |
CSS
| Chicago South Shore And South Bend | 1 |
DLJX
| DLJX | 1 |
DLW
| Delaware Lackawanna & Western | 3 |
DOTX
| USDOT/Federal Railroad Administration | 1 |
EL
| Erie Lackawanna | 1 |
FRYX
| Federated Railways Inc | 5 |
GBW
| Green Bay & Western | 1 |
GCRY
| Grand Canyon Railway | 1 |
GN
| Great Northern | 16 |
HALX
| Holland American Line - Westours Incorporated | 12 |
ICG
| Illinois Central Gulf | 4 |
LINC
| Lewis and Clark Railway Company | 1 |
METX
| METRA | 14 |
MH
| Mount Hood Railroad | 9 |
MILW
| Milwaukee Road | 7 |
MP
| Missouri Pacific | 1 |
MRSR
| Mount Rainier Scenic | 1 |
MSEX
| Tour Alaska Inc.Dba Princess Tour | 8 |
MSTX
| MSTX | 7 |
NCL
| North Coast Lines | 2 |
NCLX
| Nova Chemicals Incorporated | 1 |
NMRX
| New Mexico Department Of Transportation | 4 |
NP
| Northern Pacific | 1 |
NRE
| NRE | 2 |
NYC
| New York Central | 1 |
OCSR
| OCSR | 1 |
P
| P | 1 |
PNWC
| PNWC | 2 |
PPCX
| AAPRCO Register Private Cars | 6 |
RCIX
| Royal Celebrity Tours Inc. | 3 |
RCPX
| Railcar Limited | 1 |
RPCX
| Railroad Passenger Car Numbering Bureau | 4 |
RVIX
| Rail Ventures Inc | 1 |
SBD
| Seaboard System | 1 |
SCHX
| Innophos, Inc | 1 |
SCL
| Seaboard Coast Line | 2 |
SLGW
| Salt Lake Garfield and Western Railway Company | 2 |
SLRG
| San Luis and Rio Grande Railroad | 10 |
SNDX
| Sound Transit | 48 |
SOU
| Southern | 3 |
SP
| Southern Pacific | 3 |
SPS
| Spokane Portland & Seattle | 4 |
SVRY
| SVRY | 3 |
TAIX
| Texas Alkyls Incorporated | 6 |
TMBL
| Tacoma Municipal Belt Line Railway | 1 |
UP
| Union Pacific Railroad Company | 6 |
UPP
| Union Pacific Passenger | 5 |
URY
| Union Ry. of Memphis | 2 |
UTAX
| Utah Frontrunner | 5 |
VIA
| Via Rail Canada | 6 |
WEX
| WEX | 2 |
WPRX
| WPRX | 1 |
WRHX
| Creative Charters Inc | 3 |
WTMC
| WTMC | 1 |