AERC
| Albany and Eastern Railroad Company | 1 |
ATSF
| Atchison Topeka & Santa Fe | 1 |
BAEX
| Andersons | 3 |
BN
| Burlington Northern | 2 |
BNSF
| BNSF Railway | 3 |
CBL
| Conemaugh and Black Lick Railroad | 2 |
CKIX
| C.K. Industries | 4 |
CR
| Conrail | 8 |
CSX
| CSX Railroad | 5 |
HLMX
| Helm Financial Corporation | 1 |
LBR
| Lowville and Beaver River Railroad Compa | 1 |
NDYX
| First Union Rail | 2 |
NS
| Norfolk Southern | 5 |
PAL
| Paducah & Louisville | 2 |
PC
| Penn Central | 1 |
PRL
| Penn Eastern Rail Lines Incorporated | 1 |
QGRY
| Quebec Gatineau Railway Incorporated | 1 |
RDG
| Reading Railroad | 1 |
SP
| Southern Pacific | 1 |
UP
| Union Pacific Railroad Company | 1 |
WC
| Wisconsin Central | 2 |
WLO
| Waterloo Railway Company (Illinois Central) | 1 |
YARR
| Youngstown and Austintown Railroad | 2 |
YB
| Youngstown Belt Railroad Company | 1 |