ATSF
| Atchison Topeka & Santa Fe | 7 |
BLE
| Bessemer & Lake Erie | 4 |
BN
| Burlington Northern | 1 |
CNW
| Chicago & Northwestern | 2 |
CR
| Conrail | 1 |
CSL
| Chicago Short Line Railway Company | 3 |
CSX
| CSX Railroad | 4 |
DME
| Dakota, Minnesota and Eastern | 1 |
DRGW
| Denver & Rio Grande Western | 6 |
EJE
| Elgin Joliet and Eastern | 3 |
EWSX
| Indianapolis Power & Light | 1 |
HLMX
| Helm Financial Corporation | 3 |
HPJX
| Helm-Pacific Leasing | 1 |
INLX
| Incoal Company | 9 |
LGEX
| L.G. Everist Incorporated | 1 |
MP
| Missouri Pacific | 12 |
NW
| Norfolk & Western | 2 |
RBMN
| Reading Blue Mountain & Northern | 18 |
UP
| Union Pacific Railroad Company | 3 |
VULX
| Vulcan Materials | 1 |