AOK
| Arkansas-Oklahoma Railroad | 3 |
ATW
| Atlantic and Western | 2 |
BN
| Burlington Northern | 1 |
BNSF
| BNSF Railway | 3 |
CHTT
| Chicago Heights Terminal Transfer | 1 |
CN
| Canadian National Railways | 2 |
CNIS
| Canadian National Railways | 1 |
HLSC
| Hampton Railway Incorporated | 1 |
MR
| McCloud Railway Company | 1 |
NOKL
| Northwestern Oklahoma | 4 |
NS
| Norfolk Southern | 1 |
SRY
| Southern Railway of British Columbia Lim | 1 |
TTZX
| TTX Company-Centerbeam Flats | 9 |