AAPV
| AAPV | 1 |
AERC
| Albany and Eastern Railroad Company | 1 |
AMTK
| Amtrak | 180 |
ATSF
| Atchison Topeka & Santa Fe | 3 |
BNSF
| BNSF Railway | 4 |
CBQ
| Chicago Burlington & Quincy | 5 |
CDTX
| California DOT | 12 |
CFNR
| California Northern | 1 |
DLMX
| Daylight Locomotives and Machine Works Incorporated | 2 |
GN
| Great Northern | 5 |
GTLX
| Great Lakes Railcar, Inc. | 2 |
JPBX
| Joint Powers Board (CalTrain) | 13 |
NP
| Northern Pacific | 2 |
OCSR
| OCSR | 8 |
OPR
| Oregon Pacific | 1 |
OWRN
| OWRN | 1 |
PNWC
| PNWC | 2 |
POTB
| Port of Tillamook Bay | 1 |
PPCX
| AAPRCO Register Private Cars | 4 |
SCAX
| SOUTHERN CALIFORNIA REGIONAL RAIL AUTHORITY | 14 |
SCRX
| SOUTH CAROLINA PUBLIC RAILWAYS | 2 |
SDCX
| Consolidated Minerals Incorporated Feed Supplement Division | 3 |
SLRG
| San Luis and Rio Grande Railroad | 4 |
SP
| Southern Pacific | 1 |
SPS
| Spokane Portland & Seattle | 1 |
SUEX
| SUEX | 2 |
UPP
| Union Pacific Passenger | 33 |
WPRX
| WPRX | 17 |