AZEX
| Arizona Electric Power Cooperative Incorporated | 8 |
AZPX
| Arizona Power | 4 |
BN
| Burlington Northern | 1 |
COMX
| Excelon Generation Company, LLC | 1 |
DRGW
| Denver & Rio Grande Western | 4 |
GABX
| General American Marks Company | 2 |
HYWX
| Georgia Power Company | 1 |
MBKX
| Mitsui Rail Capital | 4 |
MCNX
| Burlington Electric Department | 2 |
MP
| Missouri Pacific | 1 |
UCEX
| Union Electric Company | 1 |
UP
| Union Pacific Railroad Company | 1 |