AGR
| Alabama and Gulf Coast | 1 |
ALM
| Arkansas Louisiana and Mississippi Railr | 1 |
BKTY
| Union Pacific Railroad Company | 6 |
BM
| Boston & Maine | 1 |
CNW
| Chicago & Northwestern | 1 |
EEC
| East Erie Commercial Railroad | 2 |
FGLK
| Finger Lakes Railway | 1 |
FRR
| Falls Road Railroad Company Incorporated | 3 |
GMRC
| Green Mountain RR | 2 |
HS
| H and S Railroad Company | 3 |
MEC
| Maine Central | 3 |
MSDR
| Knoxville & Holston River Railroad | 1 |
NS
| Norfolk Southern | 1 |
SRN
| Sabine River & Northern | 2 |
WRWK
| Providence & Worchester Railroad | 2 |