ACEX
| Altamont Commuter Express | 24 |
AMTK
| Amtrak | 44 |
ATSF
| Atchison Topeka & Santa Fe | 11 |
BNSF
| BNSF Railway | 2 |
CBQ
| Chicago Burlington & Quincy | 4 |
CDTX
| California DOT | 244 |
GN
| Great Northern | 3 |
JPBX
| Joint Powers Board (CalTrain) | 46 |
METX
| METRA | 24 |
MRLX
| Mid America Rail Car Leasing | 14 |
PLA
| Pacific Locomotive Association [Niles Canyon Railway] | 1 |
PPCX
| AAPRCO Register Private Cars | 50 |
RBBX
| Ringling Bros. and Barnum and Bailey | 30 |
SAL
| Seaboard Air Line | 3 |
SCAX
| SOUTHERN CALIFORNIA REGIONAL RAIL AUTHORITY | 9 |
SCBG
| Santa Cruz Big Trees & Pacific | 1 |
SLRG
| San Luis and Rio Grande Railroad | 26 |
SP
| Southern Pacific | 9 |
TCRY
| Tri-City Railroad | 5 |
UPP
| Union Pacific Passenger | 15 |
VRE
| Virginia Railway Express | 3 |