| 1 | MOL | Shah Air | Callsign: Bagdan, | KZ | AVCODES |
| 2 | MOL | MOUNTAIN LINE | | | SCAC4 |
| 3 | MOL | MOL Hungarian Oil and Gas Company | | HU | VKM |
| 4 | MOLA | MACRO INCORPORATED | | | SCAC4 |
| 5 | MOLC | MIDLAND TRANSPORTS | | | SCAC4 |
| 6 | MOLCY | MOL CY NV | | BE | VKM |
| 7 | MOLE | MOONLIGHTER EXPRESS | | | SCAC4 |
| 8 | MOLH | MOL CONSOLIDATION SERVICE LIMITED | | | SCAC4 |
| 9 | MOLI | MONT CAL LOGISTICS INC | | | SCAC4 |
| 10 | MOLI | Molinari Rail Deutschland GmbH | | DE | VKM |
| 11 | MOLJ | MOLINELLI, JOHN INC | | | SCAC4 |
| 12 | MOLK | MORRELL & MORRELL LP | | | SCAC4 |
| 13 | Molli | Mecklenburgische Bäderbahn Molli GmbH & Co | Bad Doberan | D | privat-bahn.de |
| 14 | MOLLI | Mecklenburgische Bäderbahn Molli | | D | TRAFFIC |
| 15 | MOLM | MORALES OLMOS, MANUEL | | | SCAC4 |
| 16 | MOLS | M O L TRANSPORT | | | SCAC4 |
| 17 | MOLU | MITSUI O.S.K. LINES LTD | | J | BIC |
| 18 | MOLU | MITSUI O.S.K. LINES, LTD. | | | PWRC |
| 19 | MOLU | Mitsui O.S.K. Lines | | | RSRV |
| 20 | MOLU | MITSUI O.S.K. LINES | | | SCAC1 |
| 21 | MOLU | MITSUI O S K LINES LTD | | | SCAC4 |
| 22 | MOLV | MORAN OLVERA, EDGAR GILBERTO | | | SCAC4 |
| 23 | MOLX | International Molasses Corp. Ltd. | added 1/1998; eliminated 4/1998; 7/2000-7/2005 (not listed) | | NAKINA |
| 24 | MOLX | Emmel Corp. | added 10/1958; eliminated 10/1959 | | NAKINA |
| 25 | MOLX | Emmel Co. | added 7/1958; eliminated 10/1958 | | NAKINA |
| 26 | MOLX | McCombs Producing & Refining Co. | 8/1920 | | NAKINA |
| 27 | MOLX | Emmel Co. | added 7/58; eliminated 10/58 | | NRHS |
| 28 | MOLX | Emmel Corp. | added 10/58; eliminated 10/59 | | NRHS |
| 29 | MOLX | International Molasses Corp. Ltd. | added 1/98; eliminated 4/98; 7/2000 | | NRHS |
| 30 | MOLX | *MCCOMBS PRODUCING & REFINING CO. | | | PWRC |
| 31 | MOLX | *EMMEL CORP. | | | PWRC |
| 32 | MOLX | +INTERNATIONAL MOLASSES CORP. LTD. | | | PWRC |
| 33 | MOLX | International Molasses Corporation | | | RSRV |
| 34 | MOLY | MOLES, WAYNE TRUCKING COMPANY | | | SCAC4 |
| 35 | MOLZ | MOLASSES INDUSTRY | | | PWRC |
