AFRX
| AF Railway Industries Incorporated | 1 |
ARMN
| Union Pacific Railroad Company | 42 |
ATSF
| Atchison Topeka & Santa Fe | 1 |
BNSF
| BNSF Railway | 15 |
CKIX
| C.K. Industries | 2 |
CO
| Chesapeake & Ohio | 2 |
CRYX
| Cryo-Trans Incorporated | 26 |
CSX
| CSX Railroad | 4 |
JRSX
| J.R. Simplot Company | 13 |
SRLX
| Southern Rail Leasing Incorporated | 2 |
TILX
| Trinity Industries Leasing Company | 9 |
TPIX
| Tropicana Transportation Corp | 14 |
URTX
| Union Refrigerator Transit Co. | 6 |