AGYX
| Centrex Construction Products Inc (American Gypsum Company) | 1 |
AKMD
| Arkansas Midland Railroad Company | 1 |
AOK
| Arkansas-Oklahoma Railroad | 6 |
ATW
| Atlantic and Western | 2 |
BCOL
| Canadian National Railways | 4 |
BNSF
| BNSF Railway | 3 |
CHTT
| Chicago Heights Terminal Transfer | 3 |
CLC
| Columbia and Cowlitz Railway Company | 1 |
CN
| Canadian National Railways | 2 |
CORP
| Central Oregon & Pacific | 2 |
CRLE
| Coe Rail Incorporated | 1 |
GTW
| Grand Trunk Western | 1 |
HLSC
| Hampton Railway Incorporated | 3 |
IC
| Illinois Central | 3 |
LW
| Louisville and Wadley Railway Company | 3 |
MSDR
| Knoxville & Holston River Railroad | 1 |
NOKL
| Northwestern Oklahoma | 8 |
NRLX
| CIT Group/Capital Finance, Inc | 1 |
NS
| Norfolk Southern | 2 |
ONT
| Ontario Northland Railway | 1 |
SOO
| Soo Line | 2 |
SSAM
| Sault Ste. Marie Bridge Company (Canadia | 1 |
TR
| Tomahawk Railway L.P. | 6 |
TTZX
| TTX Company-Centerbeam Flats | 56 |
UP
| Union Pacific Railroad Company | 3 |
WC
| Wisconsin Central | 8 |
WPRR
| Willamette and Pacific | 1 |