ALM
| Arkansas Louisiana and Mississippi Railr | 1 |
CAGY
| Columbus & Greenville Railway | 1 |
CG
| Central Of Georgia | 1 |
CSX
| CSX Railroad | 1 |
DODX
| Department Of Defense | 10 |
FPBX
| International Paper Corporation | 1 |
GEX
| General Electric Company | 1 |
KCS
| Kansas City Southern | 1 |
KRL
| Kasgro Rail Lines | 3 |
KWUX
| Siemens Power Corporation | 3 |
LBR
| Lowville and Beaver River Railroad Compa | 1 |
LN
| Louisville & Nashville | 2 |
PC
| Penn Central | 1 |
PRR
| Pennsylvania Railroad | 1 |
PTDX
| ABB Power T and D Company Incorporated | 1 |
PTTX
| TTX Company | 1 |
QTTX
| TTX Company | 2 |
RSCX
| Republic Steel | 1 |
SOU
| Southern | 3 |
SP
| Southern Pacific | 2 |
TOE
| Texas Oklahoma and Eastern RR Company | 3 |
TTAX
| TTX Company - Spine Cars | 1 |
UP
| Union Pacific Railroad Company | 1 |
WECX
| Westinghouse Electric Corporation | 1 |
XTTX
| TTX Company | 1 |