ARR
| Alaska Railroad | 2 |
ATSF
| Atchison Topeka & Santa Fe | 1 |
BAEX
| Andersons | 10 |
BN
| Burlington Northern | 6 |
BNSF
| BNSF Railway | 3 |
CBCX
| Morton International | 1 |
CKIX
| C.K. Industries | 20 |
CMHX
| CarMath Incorporated | 16 |
CR
| Conrail | 18 |
CSX
| CSX Railroad | 15 |
DME
| Dakota, Minnesota and Eastern | 36 |
DMM
| Dansville and Mount Morris Railroad Comp | 31 |
DRGW
| Denver & Rio Grande Western | 59 |
GAMX
| Arrendadora Nacional De Carros De Ferrocaril | 1 |
GVSR
| Galveston Railroad L.P. | 67 |
GWWR
| Gateway Western | 2 |
HATX
| Helm Financial Corporation | 21 |
HCGX
| COMPASS MINERALS INTERNATIONAL INC | 43 |
HLMX
| Helm Financial Corporation | 2 |
HPJX
| Helm-Pacific Leasing | 32 |
ITLX
| General Electric Rail Services | 1 |
MNNR
| Minnesota Commercial | 1 |
MP
| Missouri Pacific | 80 |
MRS
| Manufacturers Railway | 89 |
MSIX
| Morton International Incorporated | 3 |
MWCX
| Midwest Railcar Corporation | 144 |
NIRX
| General Electric Rail Services | 1 |
NOKL
| Northwestern Oklahoma | 2 |
PGR
| Progressive Rail, Inc | 34 |
RBCS
| RBCS | 1 |
RMGX
| Andersons - Railgroup | 2 |
SIRX
| Southern Illinois Railcar Company | 3 |
SLSF
| Saint Louis-San Francisco | 1 |
SP
| Southern Pacific | 56 |
SRLX
| Southern Rail Leasing Incorporated | 1 |
SSW
| St Louis Southwestern (Cotton Belt) | 88 |
TPIX
| Tropicana Transportation Corp | 21 |
UELX
| ADM Transportation Company | 6 |
UP
| Union Pacific Railroad Company | 86 |
WCOR
| Wellsboro and Corning Railroad Company | 3 |