CTS
| Cumbres & Toltec Scenic |
|
4
|
4
| CTS |
DSNG
| Durango & Silverton Narrow Gauge Railroa |
|
8
|
0
| DSNG |
GLRX
| Georgetown Loop Railroad Incorporated |
|
6
|
0
| GLRX |
MPP
| MPP |
|
1
|
0
| MPP |
RGS
| Rio Grande Southern |
|
3
|
0
| RGS |
SSRR
| Sacramento Southern |
|
1
|
0
| SSRR |
VT
| Virginia & Truckee |
|
4
|
3
| VT |