AKMD
| Arkansas Midland Railroad Company | 1 |
BSOR
| Buffalo Southern | 1 |
CSX
| CSX Railroad | 1 |
IFRX
| Infinity Rail LLC | 1 |
KXHR
| Knoxville & Holston River RR | 1 |
LN
| Louisville & Nashville | 1 |
SLGW
| Salt Lake Garfield and Western Railway Company | 1 |
TBOX
| TTX Company | 1 |
USAX
| United States Army | 2 |
USSC
| United States Sugar | 1 |
WAG
| Wellsville Addison & Galeton | 1 |