| Symbol | Name | Country | Exchange |
|---|---|---|---|
| AILIH | Ameren Ill 4.08 Pfd | US | OTC |
| AILIO | Ameren Illinois Company | US | OTC |
| AILLI | Ameren Ill Pub 5.16 | US | OTC |
| AILLM | Ameren Illinois Company | US | OTC |
| AILLO | Ameren Illinois CO Pfd 4.25% | US | OTC |
| UEPEM | Union Electric Company | US | OTC |
| UEPEN | Union Electric Company | US | OTC |
| UEPEO | Union Electric Company | US | OTC |
| UEPEP | Union Electric Company | US | OTC |
| AILLN | Ameren Illinois Company | US | OTC |