BNSF
| BNSF Railway | 12 |
CNW
| Chicago & Northwestern | 21 |
CR
| Conrail | 5 |
FURX
| First Union Rail | 3 |
GRW
| Gary Railway | 15 |
GTW
| Grand Trunk Western | 18 |
MKT
| Missouri-Kansas-Texas | 3 |
MP
| Missouri Pacific | 17 |
NS
| Norfolk Southern | 81 |
NW
| Norfolk & Western | 48 |
NYC
| New York Central | 1 |
UP
| Union Pacific Railroad Company | 18 |