ATSF
| Atchison Topeka & Santa Fe | 2 |
BN
| Burlington Northern | 7 |
BNSF
| BNSF Railway | 6 |
CC
| Chicago Central & Pacific | 3 |
CP
| Canadian Pacific Railway | 3 |
FWRY
| Fillmore Western Railway Company | 2 |
GTW
| Grand Trunk Western | 2 |
HTTX
| TTX Company | 2 |
HZGX
| Herzog Contracting Corporation | 1 |
IMRL
| I&M Rail Link | 1 |
JTTX
| TTX Company | 1 |
KRL
| Kasgro Rail Lines | 3 |
MILW
| Milwaukee Road | 1 |
MP
| Missouri Pacific | 7 |
NTTX
| TTX Company | 1 |
OTTX
| TTX Company | 8 |
PTTX
| TTX Company | 2 |
QTTX
| TTX Company | 2 |
RBBX
| Ringling Bros. and Barnum and Bailey | 4 |
RTTX
| TTX Company | 1 |
SJTX
| Stella Jones, Inc | 1 |
SOO
| Soo Line | 2 |
SSW
| St Louis Southwestern (Cotton Belt) | 1 |
TTEX
| TTX Company - Articulated Flat Cars (TOFC/COFC) | 1 |
TTHX
| TTX Company - Flat Cars | 2 |
UP
| Union Pacific Railroad Company | 6 |