BR
| Buffalo and Pittsburgh | 3 |
CHTT
| Chicago Heights Terminal Transfer | 4 |
CSX
| CSX Railroad | 2 |
DRGW
| Denver & Rio Grande Western | 1 |
GVSR
| Galveston Railroad L.P. | 17 |
HPJX
| Helm-Pacific Leasing | 4 |
HS
| H and S Railroad Company | 1 |
LNAC
| Chattahoochee Bay Railroad, LLC | 1 |
MP
| Missouri Pacific | 2 |
MR
| McCloud Railway Company | 1 |
SP
| Southern Pacific | 10 |
SSW
| St Louis Southwestern (Cotton Belt) | 5 |
STE
| Stockton Terminal and Eastern RR | 3 |
UP
| Union Pacific Railroad Company | 6 |
VCY
| Galveston Railroad, L.P. | 6 |
WCOR
| Wellsboro and Corning Railroad Company | 1 |
WSOR
| Wisconsin & Southern | 1 |