HLMX
| Helm Financial Corporation | 1 |
KCCX
| Kennecott Utah Copper Corporation | 2 |
MKT
| Missouri-Kansas-Texas | 1 |
SP
| Southern Pacific | 1 |
SPMW
| Southern Pacific Maintenance of Way | 1 |
UP
| Union Pacific Railroad Company | 19 |
WP
| Western Pacific | 2 |
WSOR
| Wisconsin & Southern | 5 |