BCOL
| Canadian National Railways | 7 |
BM
| Boston & Maine | 1 |
BN
| Burlington Northern | 1 |
CN
| Canadian National Railways | 56 |
DTI
| Detroit Toledo & Ironton | 1 |
IAIS
| Iowa Interstate | 29 |
LGEX
| L.G. Everist Incorporated | 1 |
SBD
| Seaboard System | 1 |
SLSF
| Saint Louis-San Francisco | 1 |