ACFX
| General Electric Rail Services | 1 |
ASGX
| Ash Grove Cement Company | 6 |
CNW
| Chicago & Northwestern | 4 |
CRDX
| Chicago Freight Car Leasing Company | 6 |
CSX
| CSX Railroad | 1 |
DRGW
| Denver & Rio Grande Western | 3 |
GNAX
| Holcim (US) Inc | 1 |
MP
| Missouri Pacific | 6 |
NAHX
| General Electric Rail Services | 1 |
NVCX
| Nevada Cement Company | 15 |
SP
| Southern Pacific | 2 |
UP
| Union Pacific Railroad Company | 1 |