BNSF
| BNSF Railway | 5 |
CP
| Canadian Pacific Railway | 6 |
CSX
| CSX Railroad | 4 |
DOTX
| USDOT/Federal Railroad Administration | 2 |
MP
| Missouri Pacific | 1 |
NS
| Norfolk Southern | 41 |
PPCX
| AAPRCO Register Private Cars | 6 |
RBBX
| Ringling Bros. and Barnum and Bailey | 3 |
SLSF
| Saint Louis-San Francisco | 2 |
UP
| Union Pacific Railroad Company | 2 |