AOK
| Arkansas-Oklahoma Railroad | 56 |
BFBX
| Bakery Feeds, Division of Griffin Indust | 2 |
CHTT
| Chicago Heights Terminal Transfer | 57 |
CMHX
| CarMath Incorporated | 26 |
CR
| Conrail | 5 |
CRLE
| Coe Rail Incorporated | 2 |
CSX
| CSX Railroad | 1 |
HPJX
| Helm-Pacific Leasing | 1 |
IBT
| International Bridge and Terminal Company | 39 |
KCS
| Kansas City Southern | 21 |
KELX
| Kellogg Company | 36 |
MP
| Missouri Pacific | 115 |
MWCX
| Midwest Railcar Corporation | 6 |
NRLX
| CIT Group/Capital Finance, Inc | 5 |
NS
| Norfolk Southern | 470 |
NW
| Norfolk & Western | 8 |
NYC
| New York Central | 1 |
RJCM
| R.J. Corman Railroad Company/ Memphis Li | 1 |
SOU
| Southern | 10 |
TR
| Tomahawk Railway L.P. | 1 |
UP
| Union Pacific Railroad Company | 83 |
WCOR
| Wellsboro and Corning Railroad Company | 1 |