BCOL
| Canadian National Railways | 8 |
CAGY
| Columbus & Greenville Railway | 1 |
CSX
| CSX Railroad | 2 |
HLSC
| Hampton Railway Incorporated | 2 |
LMIC
| Lake Michigan & Indiana Railroad | 1 |
MSRC
| Kansas City Southern | 2 |
TTZX
| TTX Company-Centerbeam Flats | 5 |
UP
| Union Pacific Railroad Company | 2 |
WCRC
| Washington Central | 1 |