| 5701 | MNCH | MANCIAS HINOJOSA, JESUS ANGEL | | | SCAC4 |
| 5702 | MNCI | M & C TRUCKING | | | SCAC4 |
| 5703 | MNCJ | MATNICO INC | | | SCAC4 |
| 5704 | MNCK | M & C TRUCKING | | | SCAC4 |
| 5705 | MNCN | MINC CO | | | SCAC4 |
| 5706 | MNCO | MANSON CONSTRUCTION CO | | | SCAC4 |
| 5707 | MNCQ | MONCADA TRUCKING | | | SCAC4 |
| 5708 | MNCR | Metro North Commuter Railroad | Real: MNCW | USA | TRAFFIC |
| 5709 | MNCS | MANN CONTRACTORS LTD | | | SCAC4 |
| 5710 | MNCT | MONARCH TRANSPORT (1975) LTD | | | SCAC4 |
| 5711 | MNCU | MOUNT SHIPPING AGENCIES )PVT) LTD | | | SCAC4 |
| 5712 | MNCW | Metro-North Commuter R.R. | 1/1994-7/2005 | | NAKINA |
| 5713 | MNCW | Metro-North Commuter R.R. | 1/94-7/2000 | | NRHS |
| 5714 | MNCW | METRO-NORTH COMMUTER RAILROAD | | | PWRC |
| 5715 | MNCW | Metro-North Commuter Railroad | | | RSRV |
| 5716 | MNCW | Metro-North Railroad | City: New York | USA | TRAFFIC |
| 5717 | MNCX | Minnesota Corn Processors, Inc. | added 4/1985; 1/1994-7/2000; eliminated 10/2000; 7/2005 (not listed) | | NAKINA |
| 5718 | MNCX | Maintenance Inc. | added 7/1957; 10/1957-4/1961; eliminated 4/1962 | | NAKINA |
| 5719 | MNCX | Maintenance Inc. | 10/57-4/61; eliminated 4/62 | | NRHS |
| 5720 | MNCX | Minnesota Corn Processors, Inc. | added 4/85; 1/94-7/2000; eliminated 10/2000 | | NRHS |
| 5721 | MNCX | *MAINTENANCE, INC. | | | PWRC |
| 5722 | MNCX | *METRO-NORTH COMMUTER RAILROAD. | | | PWRC |
| 5723 | MNCX | +MINNESOTA CORN PROCESSORS, INC. | | | PWRC |
| 5724 | MNCX | Minnesota Corn Processors | | | RSRV |
| 5725 | MNCX | Minnesota Corn Processors, Inc. | | USA | TRAFFIC |
| 5726 | MNCY | MARION COUNTY RAILWAY | | | PWRC |
| 5727 | MNCY | MELENDEZ TRANSPORT | | | SCAC4 |
| 5728 | MNCZ | NORTSHORE MINING COMPANY | | | PWRC |
| 5729 | MND | Madina | Callsign: Air Madina, | RUS | AVCODES |
| 5730 | MNDB | MND GLOBAL CONNECT INC | | | SCAC4 |
| 5731 | MNDC | MINI-DONUTS & CURLY FRIES | | | SCAC4 |
| 5732 | MNDE | MONARCH INDUSTRIES LTD | | | SCAC4 |
| 5733 | MNDG | M & D TRUCKING | | | SCAC4 |
| 5734 | MNDH | MANDAL SHIPPING CO LTD | | | SCAC4 |
| 5735 | MNDJ | MENNONITE DISASTER SERVICE | | | SCAC4 |
| 5736 | MNDK | MINN-DAK ASPHALT INC | | | SCAC4 |
| 5737 | MNDL | MNR DELIVERY SERVICES INC | | | SCAC4 |
| 5738 | MNDM | M & D TRANSPORTATION CO INC | | | SCAC4 |
| 5739 | MNDN | MND TRANSPORTATION INC | | | SCAC4 |
| 5740 | MNDP | MENDOZA PEREZ, ANTONIO | | | SCAC4 |
| 5741 | MNDP | Mendip Rail | Real: MRL | GB | TRAFFIC |
| 5742 | MNDR | MENARD, R TRANSPORT INC | | | SCAC4 |
| 5743 | MNDS | MANNINGS DRAYAGE SERVICE INC | | | SCAC4 |
| 5744 | MNDT | MND TRANSPORT LTD | | | SCAC4 |
| 5745 | MNDU | MN LARNACA DESALINATION CO LTD | | CY | BIC |
| 5746 | MNDV | MARTINSEN, DAVID | | | SCAC4 |
| 5747 | MNDW | MURMANTRANSFLOT CO LTD | | | SCAC4 |
| 5748 | MNDX | SunPrairie Grain | 7/2005 (not listed) | | NAKINA |
| 5749 | MNDX | SUNPRAIRIE GRAIN | | | PWRC |
| 5750 | MNDX | SUNPRAIRIE GRAIN | | | SCAC4 |
| 5751 | MNDY | MANDY TRANSPORTATION INC | | | SCAC4 |
| 5752 | MNE | Aerolineas Amanecer, S.A. de C.V. | Callsign: Aeroamanecer, | MEX | AVCODES |
| 5753 | MNE | ToMontenegro | Callsign: Mount Eagle, Name changed to Air Montenegro. | CG | AVCODES |
| 5754 | MNE | Air Montenegro | Callsign: Mount Eagle, Name changed from ToMontenegro. | CG | AVCODES |
| 5755 | MNE | Aerolineas Amanecer | | | ICAO1 |
| 5756 | MNEA | MONTELLA OIL CO INC | | | SCAC4 |
| 5757 | MNEB | MID NEBRASKA TRANSPORTATION INC | | | SCAC4 |
| 5758 | MNEC | MIDNIGHT EXPRESS TRUCKING COMPANY | | | SCAC1 |
| 5759 | MNEC | MIDNIGHT EXPRESS TRUCKING COMPANY | | | SCAC4 |
| 5760 | MNEH | MN EXPRESS INC | | | SCAC4 |
| 5761 | MNEL | MCNEAL, PHIL TRANSPORT CO | | | SCAC4 |
| 5762 | MNEN | MAIN ENERGY INC | | | SCAC4 |
| 5763 | MNEP | M & E CORP | | | SCAC4 |
| 5764 | MNEQ | MAIN STREET TRANSPORT LLC | | | SCAC4 |
| 5765 | MNER | MINUTE ENTERPRISE LLC | | | SCAC4 |
| 5766 | MNES | MENDON ENTERPRISES INC | | | SCAC4 |
| 5767 | MNEW | MCNEIGHT EXPRESS INC | | | SCAC4 |
| 5768 | MNF | Man-air.com Ltd. | Callsign: Pennine, Name changed to Man-air.com Ltd. t/a AV8 Air | GB | AVCODES |
| 5769 | MNF | Man-air.com Ltd. t/a AV8 Air | Callsign: Pennine, ICAO callsign changed to Ringway. Name changed from Man-air.com Ltd. | GB | AVCODES |
| 5770 | MNF | Man-air.com Ltd. t/a AV8 Air | Callsign: Ringway, Ceased operations in 2004. ICAO callsign changed from Pennine. Name changed from Man-air.com Ltd. | GB | AVCODES |
| 5771 | MNF | MOREHEAD & NORTH FORK RAILROAD CO. | | | PWRC |
| 5772 | MNF | MOREHEAD & NORTH FORK | | | SCAC4 |
| 5773 | MNFD | MANSFIELD EXPRESS LLC | | | SCAC4 |
| 5774 | MNFE | M&S TRANSFER, Daro Associates, INC | | | SCAC1 |
| 5775 | MNFF | MODERN TRAFFIC SERVICES, INC | | | SCAC1 |
| 5776 | MNFG | MANATOR FREIGHT, Hawk Pacific Corp | | | SCAC1 |
| 5777 | MNFI | MARTEL & FILS INC MARTEL & SONS INC | | | SCAC4 |
| 5778 | MNFM | MONIER FARMS TRUCKING | | | SCAC4 |
| 5779 | MNFO | MANSFIELD OIL CO INC | | | SCAC4 |
| 5780 | MNFP | MANOR FUEL COMPANY INC | | | SCAC4 |
| 5781 | MNFR | MANUFACTURERS TRANSPORT LLC | | | SCAC4 |
| 5782 | MNFS | MAIN FILTER INC | | | SCAC4 |
| 5783 | MNFZ | MONFORT | | | PWRC |
| 5784 | MNG | Magnitogorsk Air Enterprise | Callsign: Magnitka, | RUS | AVCODES |
| 5785 | MNG | Aero Mongolia | IATA: M0, Callsign: Aero Mongolia, IATA Prefix: 970, | MGL | AVCODES |
| 5786 | MNG | Aero Mongolia | | | ICAO1 |
| 5787 | MNG | Aero Mongolia | | MGL | TRAFFIC |
| 5788 | MNGD | MERILIN LOGISTICS INC | | | SCAC4 |
| 5789 | MNGF | MUSTANG FARMS | | | SCAC4 |
| 5790 | MNGG | MNG TRANSPORTATION INC | | | SCAC4 |
| 5791 | MNGH | MANGUERAS Y CONEXIONES HIDRAULICAS | | | SCAC4 |
| 5792 | MNGJ | MORNING STAR TRANSPORT | | | SCAC4 |
| 5793 | MNGN | MCALLEN FOREIGN TRADE ZONE #12 | | | SCAC4 |
| 5794 | MNGP | MAIN TRUCKING COMPANY INC | | | SCAC4 |
| 5795 | MNGQ | MANDINGO LOGISTIC INC | | | SCAC4 |
| 5796 | MNGR | MASON, GARY V | | | SCAC4 |
| 5797 | MNGY | MILLER, NAN GALLERY | | | SCAC4 |
| 5798 | MNH | Monarch Airlines | Callsign: Monarch Air, | USA | AVCODES |
| 5799 | MNH | Monarch Airlines | | | ICAO1 |
| 5800 | MNH | MINNESOTA COACHES INC | | | SCAC4 |
