AOK
| Arkansas-Oklahoma Railroad | 1 |
ATSF
| Atchison Topeka & Santa Fe | 6 |
BAP
| Butte Anaconda & Pacific | 3 |
BLE
| Bessemer & Lake Erie | 2 |
BN
| Burlington Northern | 7 |
BO
| Baltimore & Ohio | 1 |
CBQ
| Chicago Burlington & Quincy | 1 |
CEFX
| CIT Group/Capital Finance, Inc | 2 |
CEI
| Chicago & Eastern Illinois | 2 |
CITX
| CIT Group/Capital Finance, Inc | 2 |
CLAX
| Guardian Leasing Inc | 1 |
CNW
| Chicago & Northwestern | 4 |
CP
| Canadian Pacific Railway | 3 |
CR
| Conrail | 9 |
CS
| Colorado & Southern | 1 |
CSX
| CSX Railroad | 8 |
CTRN
| Union Pacific Railroad Company | 2 |
CYMX
| Cytec Carbon Fibers LLC | 1 |
DLW
| Delaware Lackawanna & Western | 1 |
DRGW
| Denver & Rio Grande Western | 2 |
GACX
| General American Marks Company | 4 |
GBRX
| Greenbrier Leasing Corporation | 1 |
GN
| Great Northern | 5 |
HLMX
| Helm Financial Corporation | 1 |
IC
| Illinois Central | 1 |
ITGX
| Andersons - Railgroup | 1 |
LM
| Litchfield & Madison | 1 |
LN
| Louisville & Nashville | 1 |
MP
| Missouri Pacific | 2 |
MWNX
| MWNX | 2 |
NP
| Northern Pacific | 1 |
NS
| Norfolk Southern | 8 |
NW
| Norfolk & Western | 4 |
PC
| Penn Central | 1 |
PCCX
| Peabody Coal Company (Captive Service) | 1 |
PPLX
| Pennsylvania Power and Light Company | 1 |
PRR
| Pennsylvania Railroad | 3 |
PS
| Pittsburg and Shawmut Railroad Company | 1 |
RDG
| Reading Railroad | 1 |
SOU
| Southern | 5 |
SP
| Southern Pacific | 3 |
UMP
| Upper Merion and Plymouth Railroad | 2 |
UP
| Union Pacific Railroad Company | 11 |
UTAH
| Utah Railway | 1 |
WM
| Western Maryland | 1 |
WP
| Western Pacific | 2 |