| Abbreviation | Definition |
|---|---|
| EJE | Elgin Joliet and Eastern Railway Company |
| EJE | Elgin, Joliet and Eastern Railway |
| EJR | East Jersey Railroad and Terminal |
| EK | Eastern Kentucky Railway (Eastern Kentucky Southern Railway) |
| EKBU | Keiserling |
| EKBU | Keiserling (UK) Limited |
| EKLU | K Line |
| EL | Consolidated Rail Corporation |
| EL | Erie Lackawanna Railway (Norfolk Southern) |
| ELCX | Eli Lilly and |
| ELCX | Eli Lilly and Company |
| ELFX | Electric Fuels Corporation |
| ELKR | Elk River Railroad |
| ELKR | Elk River Railroad Incorporated |
| ELKX | ELkem Metals |
| ELKX | Elkem Metals Company |
| ELRT | Edmonton Light Rail Transit |
| ELS | Escanaba and Lake Superior Railroad |
| ELS | Escanaba and Lake Superior Railroad Company |
| ELSX | Kentucky May Coal |