| Abbreviation | Definition |
|---|---|
| JLLX | LaRoche Industries |
| JLLX | LaRoche Industries Incorporated |
| JLLZ | Japan Line |
| JLLZ | Japan Line Limited |
| JLMU | Japan Line |
| JLMU | Japan Line Limited |
| JLMX | John L. McCarthy |
| JLPU | Japan Line |
| JLPU | Japan Line Limited |
| JLSU | Japan Line |
| JLSU | Japan Line Limited |
| JLSZ | Japan Line |
| JLSZ | Japan Line Limited |
| JLTU | Japan Line |
| JLTU | Japan Line Limited |
| JMHX | J. M. Huber Corporation |
| JMJZ | J. M. J. Projects Incorporated |
| JMJZ | J.M.J. Projects |
| JNR | Japan National Railway |
| JNSX | JNS Marketing (Coastline Rail Service Division) |