AOK
| Arkansas-Oklahoma Railroad | 2 |
ATSF
| Atchison Topeka & Santa Fe | 4 |
ATW
| Atlantic and Western | 4 |
BN
| Burlington Northern | 5 |
BNSF
| BNSF Railway | 8 |
CEDX
| G.S.S.&M. Inc, Rail Division | 1 |
CHTT
| Chicago Heights Terminal Transfer | 1 |
CIGX
| THE CIT GROUP/CAPITAL FINANCE, INC. | 2 |
CN
| Canadian National Railways | 7 |
COER
| Crab Orchard & Egyptian | 1 |
CP
| Canadian Pacific Railway | 3 |
CR
| Conrail | 2 |
CSX
| CSX Railroad | 2 |
DJJX
| Joseph Transportation Incorporated | 1 |
FLOX
| CIT Group/Capital Finance, Inc | 4 |
GNBC
| Grainbelt Corporation | 3 |
GSSX
| Gopher State Scrap and Metal | 2 |
HKRX
| HKRX | 1 |
IC
| Illinois Central | 13 |
LW
| Louisville and Wadley Railway Company | 1 |
MP
| Missouri Pacific | 4 |
MS
| Michigan Shore Railroad Incorporated | 1 |
MVRY
| Mahoning Valley Ry | 2 |
NOKL
| Northwestern Oklahoma | 6 |
NS
| Norfolk Southern | 4 |
PRSX
| Progress Rail Service | 1 |
SP
| Southern Pacific | 1 |
SPSX
| Progress Rail Services Corp | 2 |
UCRY
| Utah Central | 4 |
WC
| Wisconsin Central | 5 |
WCRC
| Washington Central | 3 |