AOK
| Arkansas-Oklahoma Railroad | 1 |
APWX
| Appalachian Power Company | 1 |
ATSF
| Atchison Topeka & Santa Fe | 1 |
ATTX
| TTX Company - Container Flats | 7 |
BN
| Burlington Northern | 4 |
BNSF
| BNSF Railway | 16 |
BVRY
| Brandywine Valley Railroad Company | 1 |
CGW
| Chicago Great Western | 1 |
CN
| Canadian National Railways | 2 |
CSX
| CSX Railroad | 2 |
DCCX
| McDonnell Douglas Corporation | 1 |
DODX
| Department Of Defense | 102 |
FTTX
| TTX Company | 1 |
FURX
| First Union Rail | 1 |
GPSX
| Georgia-Pacific Corporation Eastern Wood Products Mfg.Divisi | 1 |
HTTX
| TTX Company | 3 |
ICE
| Iowa Chicago and Eastern | 1 |
ITGX
| Andersons - Railgroup | 3 |
ITTX
| TTX Company | 34 |
JTSX
| Joseph Transportation Incorporated | 1 |
JTTX
| TTX Company | 1 |
KRL
| Kasgro Rail Lines | 2 |
MP
| Missouri Pacific | 8 |
MTTX
| TTX Company | 1 |
NS
| Norfolk Southern | 1 |
PTTX
| TTX Company | 61 |
QTTX
| TTX Company | 2 |
RAIX
| Union Carbide Corporation | 4 |
SOO
| Soo Line | 3 |
SP
| Southern Pacific | 4 |
SPSX
| Progress Rail Services Corp | 3 |
TPDX
| TPDX | 48 |
TTCX
| TTX Company | 3 |
TTDX
| TTX Company - DOD Service Flats | 4 |
TTEX
| TTX Company - Articulated Flat Cars (TOFC/COFC) | 1 |
TTMX
| TTX Company | 4 |
UP
| Union Pacific Railroad Company | 5 |
USAX
| United States Army | 2 |
USWX
| USA Waste Services Incorporated | 48 |
VTTX
| TTX Company | 2 |
WPEX
| Wabash Power Equipment Company | 1 |
XTTX
| TTX Company | 3 |