ATEX
| Asplundh Tree Expert Co Railroad Division | 3 |
BCOL
| Canadian National Railways | 1 |
BRC
| Belt Railway of Chicago | 14 |
CN
| Canadian National Railways | 87 |
CNIS
| Canadian National Railways | 1 |
CP
| Canadian Pacific Railway | 1 |
CWRX
| CWR TRANSPORTATION CO. | 103 |
GBW
| Green Bay & Western | 1 |
GREX
| Georgetown Rail Equipment Company | 38 |
GTW
| Grand Trunk Western | 6 |
HZGX
| Herzog Contracting Corporation | 14 |
IC
| Illinois Central | 5 |
ICG
| Illinois Central Gulf | 3 |
LMIX
| Loram Maintenance of Way Inc. | 17 |
METX
| METRA | 1 |
MILW
| Milwaukee Road | 3 |
NAR
| Northern Alberta Railways | 2 |
PACX
| Plasser American Corporation | 13 |
RWCX
| RWC Incorporated | 1 |
SOO
| Soo Line | 5 |
SPSX
| Progress Rail Services Corp | 5 |
SSAM
| Sault Ste. Marie Bridge Company (Canadia | 2 |
UP
| Union Pacific Railroad Company | 2 |
WC
| Wisconsin Central | 19 |