ACJ
| Ashtabula, Carson & Jefferson Scenic | 3 |
BBCX
| ABB Power Generation Incorporated | 1 |
CNJ
| Central Rail Road of New Jersey | 1 |
FLNX
| R.P. Flynn Incorporated d/b/a Ohio Railway Supply | 92 |
RFP
| Richmond Fredericksburg & Potomac | 1 |
UP
| Union Pacific Railroad Company | 1 |