AOK
| Arkansas-Oklahoma Railroad | 15 |
CBFX
| THE CIT GROUP/EQUIPMENT FINANCING INC | 3 |
CHTT
| Chicago Heights Terminal Transfer | 14 |
CR
| Conrail | 5 |
GRW
| Gary Railway | 38 |
NS
| Norfolk Southern | 11 |
NYC
| New York Central | 1 |
UP
| Union Pacific Railroad Company | 2 |
WRWK
| Providence & Worchester Railroad | 6 |