| Carrier Code | Carrier Name |
| LMSA | LINEA MARLAGO S A |
| LMTU | LEHNKERING MONTAN TRANSPORT AG |
| LMUU | LANDMARK UNION LIMITED |
| LNPU | LINEA NAVIERIA PAN ATLANTICA S A (D/B/A PAN ATLANTIC LINES) |
| LNSL | LINER SHIPPING LTD |
| LNVG | LAMBERT NAVIGATION CORPORATION |
| LOBR | LOCKWOOD BROTHERS INC |
| LOCH | LOCHNESS SHIPPING INC |
| LOEN | LOUISE ENTERPRISES INC-LIBERIA |
| LOFP | LONDON & OVERSEAS FREIGHTERS LIMITED |
| LONU | LONZA LTD |
| LOSH | LEADER OCEAN SHIPPING LINE |
| LOSU | LANNG & STELMAN A/S |
| LOVL | LOVELAND, S C CO INC |
| LOWU | LOWACO S A |
