ATSF
| Atchison Topeka & Santa Fe | 9 |
BN
| Burlington Northern | 1 |
DGNO
| Dallas Garland & Northeastern | 1 |
JNSX
| JNS Marketing Company Coastline Rail Service Division | 4 |
MKT
| Missouri-Kansas-Texas | 6 |
NS
| Norfolk Southern | 1 |
NW
| Norfolk & Western | 2 |
SSW
| St Louis Southwestern (Cotton Belt) | 1 |
UP
| Union Pacific Railroad Company | 1 |