| 1 | MN | Comair Ltd. d/b/a Kulula.com | ICAO: CAW, Callsign: Commercial, IATA Prefix: 161, Suspended operations on 31 May 2022. Name changed from Commercial Airways (Pty.) Ltd. | ZA | AVCODES |
| 2 | MN | Commercial Airways (Pty.) Ltd. | ICAO: CAW, Callsign: Commercial, IATA Prefix: 161, Name changed to Comair Ltd. | ZA | AVCODES |
| 3 | MN | Commercial Air Services (Pty.) Ltd. | Callsign: Commercial, IATA Prefix: 161, Name changed to Commercial Airways (Pty.) Ltd. | ZA | AVCODES |
| 4 | MN | *MODERN TRANSFER CO INC | | | PWRC |
| 5 | MN | *METRO-NORTH COMMUTER RAILROAD | | | PWRC |
| 6 | MN | *MONTPELIER & BARRE RAILROAD CO. | | | PWRC |
| 7 | MN | Midnet | | NL | TRAFFIC |
| 8 | MNA | PT. Merpati Nusantara | IATA: MZ, Callsign: Merpati, IATA Prefix: 621, Name changed to Merpati Nusantara Airlines, Pt. | RI | AVCODES |
| 9 | MNA | Merpati Nusantara Airlines, Pt. | IATA: MZ, Callsign: Merpati, IATA Prefix: 621, Designator MZ recalled by IATA. Name changed from PT. Merpati Nusantara | RI | AVCODES |
| 10 | MNA | Merpati Nusantara Airlines | IATA: MZ | | ICAO1 |
| 11 | MNA | Missouri & Northern Arkansas R.R. Co., Inc. | added 4/1993; 1/1994-7/2000; eliminated 7/2002; 7/2005 | | NAKINA |
| 12 | MNA | Missouri & Northern Arkansas R.R. Co., Inc. | added 4/93; 1/94-7/2000 | | NRHS |
| 13 | MNA | MISSOURI & NORTHERN ARKANSAS RAILROAD COMPANY, INC. | | | PWRC |
| 14 | MNA | Missouri and Northern Arkansas Railroad | | | RSRV |
| 15 | MNA | MISSOURI & NORTHERN ARKANSAS RAILRO | | | SCAC4 |
| 16 | MNA | Missouri and Northern Arkansas Railroad | | USA | TRAFFIC |
| 17 | MNAA | MOUNETOU, ANDRES T A A | | | SCAC4 |
| 18 | MNAB | MN TRUCKING INC | | | SCAC4 |
| 19 | MNAC | MAGNONE, A TRUCKING | | | SCAC4 |
| 20 | MNAD | MODERN CABINETS INC | | | SCAC4 |
| 21 | MNAE | MONTANA TRANSFER COMPANY | | | SCAC4 |
| 22 | MNAG | M N A TRUCKING | | | SCAC4 |
| 23 | MNAI | MORSE INDUSTRIES INC | | | SCAC4 |
| 24 | MNAJ | MEENDERINCK LLC | | | SCAC4 |
| 25 | MNAK | MATTSON, N AND SON TRUCKING LLC | | | SCAC4 |
| 26 | MNAL | MINAL TRANSPORT | | | SCAC4 |
| 27 | MNAN | MARTIN, A N GRAIN SYS | | | SCAC4 |
| 28 | MNAO | MAYAN TRANSPORTATION INC | | | SCAC4 |
| 29 | MNAR | MENALON MARINE CO LTD | | | SCAC4 |
| 30 | MNAS | MONAS & CO LTD | | | SCAC4 |
| 31 | MNAT | MAINSTREAM TRUCKING INC | | | SCAC4 |
| 32 | MNAV | MARTINAIR INC | | | SCAC4 |
| 33 | MNAW | M & N TRANSPORTATION INC | | | SCAC4 |
| 34 | MNAX | C&S Directional Boring, Inc. | 7/2000-7/2005 (not listed) | | NAKINA |
| 35 | MNAX | C&S Directional Boring, Inc. | Jul-00 | | NRHS |
| 36 | MNAX | C & S DIRECTIONAL BORING INC. | | | PWRC |
| 37 | MNAX | C and S Directional Boring | | | RSRV |
| 38 | MNAX | C & S DIRECTIONAL BORING INC | | | SCAC4 |
| 39 | MNAY | MCNALLY INTERNATIONAL CORP | | | SCAC4 |
| 40 | MNB | MNG Airlines Cargo | IATA: MB, Callsign: Black Sea, IATA Prefix: 716, Name changed to MNG Airlines. Designator MB reinstated by IATA | TR | AVCODES |
| 41 | MNB | MNG Airlines | IATA: MB, Callsign: Black Sea, IATA Prefix: 716, Name changed to MNG Airlines Cargo. Designator MB reinstated by IATA | TR | AVCODES |
| 42 | MNB | MNG Airlines | IATA: MB | | ICAO1 |
| 43 | MNB | MNG Airlines | | TR | TRAFFIC |
| 44 | MNBA | MODI TRANSPORT LTD | | | SCAC4 |
| 45 | MNBB | MILITARY TRANSPORTERS INC | | | SCAC4 |
| 46 | MNBJ | MACNAB AUTO SALES LIMITED | | | SCAC4 |
| 47 | MNBK | M & B TRUCKING EXPRESS CORP | | | SCAC4 |
| 48 | MNBM | MAK TRUCKING INC | | | SCAC4 |
| 49 | MNBN | MILLS TRUCKING INC | | | SCAC4 |
| 50 | MNBP | M N B | | | SCAC4 |
| 51 | MNBR | M&B R.R., L.L.C. | added 10/1997; 7/2000-7/2005 | | NAKINA |
| 52 | MNBR | M&B R.R., L.L.C. | added 10/97; 7/2000 | | NRHS |
| 53 | MNBR | M & B RAILROAD, LLC | | | PWRC |
| 54 | MNBR | M and B Railroad | | | RSRV |
| 55 | MNBR | M & B RAILROAD LLC | | | SCAC4 |
| 56 | MNBU | MAERSK A/S | | DK | BIC |
| 57 | MNBU | AP MOLLER | | | SCAC4 |
| 58 | MNC | M I T Airlines Ltd. | Callsign: Muncie, | CDN | AVCODES |
| 59 | MNC | MIT Airlines | | | ICAO1 |
| 60 | MNC | Motive Rail Inc. d/b/a Missouri North Central R.R. | added 7/2004; 7/2005; eliminated 1/2006 | | NAKINA |
| 61 | MNC | MOTIVE RAIL, INC. d/b/a MISSOURI NORTH CENTRAL RAILROAD | | | PWRC |
| 62 | MNC | Missouri North Central Railroad | | | RSRV |
| 63 | MNC | MISSOURI NORTH CENTRAL RAILROAD (MO | | | SCAC4 |
| 64 | MNCB | MN CARRIER LTD | | | SCAC4 |
| 65 | MNCF | MONARCH CONTAINER LINE | | | SCAC4 |
| 66 | MNCH | MANCIAS HINOJOSA, JESUS ANGEL | | | SCAC4 |
| 67 | MNCI | M & C TRUCKING | | | SCAC4 |
| 68 | MNCJ | MATNICO INC | | | SCAC4 |
| 69 | MNCK | M & C TRUCKING | | | SCAC4 |
| 70 | MNCN | MINC CO | | | SCAC4 |
| 71 | MNCO | MANSON CONSTRUCTION CO | | | SCAC4 |
| 72 | MNCQ | MONCADA TRUCKING | | | SCAC4 |
| 73 | MNCR | Metro North Commuter Railroad | Real: MNCW | USA | TRAFFIC |
| 74 | MNCS | MANN CONTRACTORS LTD | | | SCAC4 |
| 75 | MNCT | MONARCH TRANSPORT (1975) LTD | | | SCAC4 |
| 76 | MNCU | MOUNT SHIPPING AGENCIES )PVT) LTD | | | SCAC4 |
| 77 | MNCW | Metro-North Commuter R.R. | 1/1994-7/2005 | | NAKINA |
| 78 | MNCW | Metro-North Commuter R.R. | 1/94-7/2000 | | NRHS |
| 79 | MNCW | METRO-NORTH COMMUTER RAILROAD | | | PWRC |
| 80 | MNCW | Metro-North Commuter Railroad | | | RSRV |
| 81 | MNCW | Metro-North Railroad | City: New York | USA | TRAFFIC |
| 82 | MNCX | Minnesota Corn Processors, Inc. | added 4/1985; 1/1994-7/2000; eliminated 10/2000; 7/2005 (not listed) | | NAKINA |
| 83 | MNCX | Maintenance Inc. | added 7/1957; 10/1957-4/1961; eliminated 4/1962 | | NAKINA |
| 84 | MNCX | Maintenance Inc. | 10/57-4/61; eliminated 4/62 | | NRHS |
| 85 | MNCX | Minnesota Corn Processors, Inc. | added 4/85; 1/94-7/2000; eliminated 10/2000 | | NRHS |
| 86 | MNCX | *MAINTENANCE, INC. | | | PWRC |
| 87 | MNCX | *METRO-NORTH COMMUTER RAILROAD. | | | PWRC |
| 88 | MNCX | +MINNESOTA CORN PROCESSORS, INC. | | | PWRC |
| 89 | MNCX | Minnesota Corn Processors | | | RSRV |
| 90 | MNCX | Minnesota Corn Processors, Inc. | | USA | TRAFFIC |
| 91 | MNCY | MARION COUNTY RAILWAY | | | PWRC |
| 92 | MNCY | MELENDEZ TRANSPORT | | | SCAC4 |
| 93 | MNCZ | NORTSHORE MINING COMPANY | | | PWRC |
| 94 | MND | Madina | Callsign: Air Madina, | RUS | AVCODES |
| 95 | MNDB | MND GLOBAL CONNECT INC | | | SCAC4 |
| 96 | MNDC | MINI-DONUTS & CURLY FRIES | | | SCAC4 |
| 97 | MNDE | MONARCH INDUSTRIES LTD | | | SCAC4 |
| 98 | MNDF | Maldives National Defence Force | | MV | TRAFFIC |
| 99 | MNDG | M & D TRUCKING | | | SCAC4 |
| 100 | MNDH | MANDAL SHIPPING CO LTD | | | SCAC4 |
