AGYX
| Centrex Construction Products Inc (American Gypsum Company) | 2 |
AOK
| Arkansas-Oklahoma Railroad | 6 |
ATW
| Atlantic and Western | 7 |
BNSF
| BNSF Railway | 2 |
CHTT
| Chicago Heights Terminal Transfer | 5 |
CLC
| Columbia and Cowlitz Railway Company | 30 |
CRLE
| Coe Rail Incorporated | 2 |
HLSC
| Hampton Railway Incorporated | 3 |
LW
| Louisville and Wadley Railway Company | 3 |
NOKL
| Northwestern Oklahoma | 7 |
TR
| Tomahawk Railway L.P. | 1 |
TSE
| Texas South-Eastern Railroad Company | 1 |
TTZX
| TTX Company-Centerbeam Flats | 78 |
UP
| Union Pacific Railroad Company | 18 |
WC
| Wisconsin Central | 1 |
WCPC
| WCPC | 1 |
WCRC
| Washington Central | 4 |
WPRR
| Willamette and Pacific | 7 |