BN
| Burlington Northern | 2 |
BNSF
| BNSF Railway | 2 |
CBQ
| Chicago Burlington & Quincy | 1 |
CMHX
| CarMath Incorporated | 1 |
DODX
| Department Of Defense | 2 |
FBOX
| TTX Company | 4 |
GTW
| Grand Trunk Western | 1 |
MDW
| Minnesota Dakota and Western Railway Com | 1 |
UP
| Union Pacific Railroad Company | 1 |