BNSF
| BNSF Railway | 1 |
CR
| Conrail | 61 |
CSX
| CSX Railroad | 1 |
DRGW
| Denver & Rio Grande Western | 4 |
EWSX
| Indianapolis Power & Light | 1 |
FRKX
| Florida Rock Industries | 6 |
HLMX
| Helm Financial Corporation | 1 |
HPJX
| Helm-Pacific Leasing | 1 |
KCS
| Kansas City Southern | 1 |
MB
| Meridian & Bigbee | 1 |
MP
| Missouri Pacific | 9 |
NS
| Norfolk Southern | 3 |
NYC
| New York Central | 5 |
PSR
| Pittsburg and Shawmut Railroad Incorporated | 1 |
SOO
| Soo Line | 3 |
UP
| Union Pacific Railroad Company | 1 |