| 2801 | MEVA | MEVA S.A. | | RO | VKM |
| 2802 | MEVG | Mitteldeuche Esenbahn Verkehrsgesellschaft mbH | | DE | VKM |
| 2803 | MEVQ | MARITIME ENDEAVORS SHIPPING CO LTD | | | SCAC4 |
| 2804 | MEVS | MEADOWS VAN & STORAGE INC | | | SCAC4 |
| 2805 | MEVU | MORCON BV | | | SCAC4 |
| 2806 | MEWA | MISSISSI | | | SCAC4 |
| 2807 | MEWB | MEYER, WILLIAM B INCORPORATED | | | SCAC4 |
| 2808 | MEWP | MATTHEWS TRANSPORTATION SERVICE, INC | | | SCAC1 |
| 2809 | MEWP | MATTHEWS TRANSPORTATION SERVICE INC | | | SCAC4 |
| 2810 | MEWT | METROWEST TRANSLOAD | | | SCAC4 |
| 2811 | MEX | Metro Express 11, Inc. | Callsign: Eagle Express, | USA | AVCODES |
| 2812 | MEX | Metro Express | | | ICAO1 |
| 2813 | MEX | MEXICOACH INC | | | SCAC4 |
| 2814 | MEXA | MEXICANA AIRLINES CREDIT DEPT | | | SCAC1 |
| 2815 | MEXA | MORRISTONW EXPRESS INC | | | SCAC4 |
| 2816 | MEXG | MARDEN EXPEDITE | | | SCAC4 |
| 2817 | MEXI | MARC EXPRESS INC | | | SCAC4 |
| 2818 | MEXL | MARINE EXPRESS LINES | | | PWRC |
| 2819 | MEXL | METRO X LLC | | | SCAC4 |
| 2820 | MEXN | MERCED | | | SCAC4 |
| 2821 | MEXO | MEX FLORES TRUCKING COMPANY INC | | | SCAC4 |
| 2822 | MEXP | MEXICAN PRIVATE | | | PWRC |
| 2823 | MEXP | MACTON EXPRESS LTD | | | SCAC4 |
| 2824 | MEXQ | MIGURALAND EXPRESS | | | SCAC4 |
| 2825 | MEXR | MEXICAN NATIONAL | | | PWRC |
| 2826 | MEXS | MG EXPRESS | | | SCAC4 |
| 2827 | MEXSUB | Ferrocarril Suburbano de la Zona Metropolitana del Valle de México | | MEX | TRAFFIC |
| 2828 | MEXT | MEX-CAL TRUCKLINE | | | SCAC4 |
| 2829 | MEXU | MARIANA EXPRESS LINES PTE LTD | | SGP | BIC |
| 2830 | MEXU | MED EXPRESS LINES LTD. | | | SCAC4 |
| 2831 | MEXW | MAG EXPRESS | | | SCAC4 |
| 2832 | MEXX | Mexico Meridian Rail Services S.A. de C.V. | 7/2005 (not listed) | | NAKINA |
| 2833 | MEXX | MEXICO MERIDIAN RAIL SERVICES SA DE CV | | | PWRC |
| 2834 | MEXX | MEXICO MERIDIAN RAIL SERVICES SA DE | | | SCAC4 |
| 2835 | MEXY | MANNYS EXPRESS INC | | | SCAC4 |
| 2836 | MEY | Justair Scandinavia AB | Callsign: Melody, | S | AVCODES |
| 2837 | MEY | Justair Scandinavia | | | ICAO1 |
| 2838 | MEYC | MEYERS, RALPH TRUCK COMPANY | | | SCAC4 |
| 2839 | MEYG | MEYERS TRANSPORT LIMITED (GP INTERM | | | SCAC4 |
| 2840 | MEYK | MEYERS | | | SCAC4 |
| 2841 | MEYO | MEYER OIL COMPANY | | | SCAC4 |
| 2842 | MEYP | MEYERS TRANSPORT LIMITED (GP TRUCKL | | | SCAC4 |
| 2843 | MEYS | MERCU | | | SCAC4 |
| 2844 | MEYT | MEYERS TRANSPORT LIMITED | | | SCAC1 |
| 2845 | MEYT | MEYERS TRANSPORT LIMITED | | | SCAC4 |
| 2846 | MEYV | MAGNAME | | | SCAC4 |
| 2847 | MEZ | MINNESOTA EXPLOSIVES | | | PWRC |
| 2848 | MEZC | MEZA A TRUCKING | | | SCAC4 |
| 2849 | MEZM | MEM ENTERPRIZES INC | | | SCAC4 |
| 2850 | MEZO | MERZARIO SPA | | | SCAC4 |
| 2851 | MEZT | MONTEMAYOR ESPINOZA TRUCKING S A DE | | | SCAC4 |
| 2852 | MEZY | MEZA TRANSFERS Y ASOCIADOS SC | | | SCAC4 |
| 2853 | MF | Xiamen Airlines | ICAO: CXA, Callsign: Xiamen Air, IATA Prefix: 731, IATA designator changed to MF | PRC | AVCODES |
| 2854 | MF | Zimex Aviation Limited | ICAO: IMX, Callsign: Zimex, IATA designator changed to C4* | CH | AVCODES |
| 2855 | MF | Marshall's Flying Services Ltd. | Callsign: Marshall, | GB | AVCODES |
| 2856 | MF | MAM Aviation Ltd. | ICAO: MMM, Callsign: Mamair, Name changed to Marine and Aviation Management International | GB | AVCODES |
| 2857 | MF | Marine and Aviation Management International | ICAO: MMM, Callsign: Mamair, Name changed from MAM Aviation Ltd. | GB | AVCODES |
| 2858 | MF | Xiamen Airlines | ICAO: CXA, Callsign: Xiamen Air, IATA Prefix: 731, IATA designator changed from MF* | PRC | AVCODES |
| 2859 | MF | My Freighter Airlines | ICAO: MFX, Callsign: Whitebird, IATA Designator changed to C6. | UZ | AVCODES |
| 2860 | MF | Middle Fork | 1/1975-1/1980 | | NAKINA |
| 2861 | MF | Middle Fork | 1/75-1/80 | | NRHS |
| 2862 | MF | MIDLAND FORK RAILROAD | | | PWRC |
| 2863 | MF | Middle Fork Railroad | | | RSRV |
| 2864 | MFA | Martyn Fiddler Associates | Callsign: Seahorse, | GB | AVCODES |
| 2865 | MFA | Martyn Fiddler Associates | | | ICAO1 |
| 2866 | MFAA | MFA INCORPORATED | | | SCAC4 |
| 2867 | MFAB | METALFAB LTD | | | SCAC4 |
| 2868 | MFAC | MASTER FREIGHT AMERICA CORP | | | SCAC4 |
| 2869 | MFAD | MOVEFREIGHT | | | SCAC4 |
| 2870 | MFAE | MALFATONE, RALPH & SON INC | | | SCAC4 |
| 2871 | MFAF | MATHESON FAST FREIGHT, INC | | | SCAC1 |
| 2872 | MFAG | Müller Gleisbau AG | | CH | VKM |
| 2873 | MFAH | MORGAN FUEL AND HEATING CO INC | | | SCAC4 |
| 2874 | MFAN | MASTRE, FRANK | | | SCAC4 |
| 2875 | MFAO | MISTY FJORDS AIR & OUTFITTING | | | SCAC4 |
| 2876 | MFAP | MFS SYSTEMS TWO ZERO ZERO SEVEN (20 | | | SCAC4 |
| 2877 | MFAQ | MANUFACTUROS AGUIRRE | | | SCAC4 |
| 2878 | MFAR | MANHEIM FARM | | | SCAC4 |
| 2879 | MFAS | MFA-FAST EXPRESS | | | SCAC4 |
| 2880 | MFAX | Producers Produce Co. (Merchants Despatch, Inc.) | 7/1935 | | NAKINA |
| 2881 | MFAX | M.F.A. Egg & Poultry Association | 7/1932 | | NAKINA |
| 2882 | MFAX | M.F.A. EGG & POULTRY ASSOCIATION | | | PWRC |
| 2883 | MFAZ | MFA INDUSTRIES | | | PWRC |
| 2884 | MFB | Mountain Flyers 80 Ltd | Callsign: Mountainheli, | CH | AVCODES |
| 2885 | MFB | Mainische Feldbahn Schwerte | Schwerte | D | privat-bahn.de |
| 2886 | MFBE | MORIN FORESTRY & BOSSE TIMBER INC | | | SCAC4 |
| 2887 | MFBG | MAGNUM FABRICATING LTD | | | SCAC4 |
| 2888 | MFBK | MOUNTAIN FREIGHT BROKERAGE INC | | | SCAC4 |
| 2889 | MFBL | MFB | | | SCAC4 |
| 2890 | MFC | Moncton Flying Club | Callsign: East Wind, Name changed to Canlink Aviation Inc. | CDN | AVCODES |
| 2891 | MFC | Canlink Aviation Inc. | Callsign: East Wind, Name changed from Moncton Flying Club | CDN | AVCODES |
| 2892 | MFC | Moncton Flying Club | | | ICAO1 |
| 2893 | MFCD | MARLO FURNITURE CO INC | | | SCAC4 |
| 2894 | MFCE | MEGA FLEET CORP | | | SCAC4 |
| 2895 | MFCH | MAGNUM FREIGHT CORP | | | SCAC4 |
| 2896 | MFCJ | MARMOL FREIGHT CORP | | | SCAC4 |
| 2897 | MFCK | MS FREIGHT CO INC | | | SCAC4 |
| 2898 | MFCL | MFC LOGISTICS CORP | | | SCAC4 |
| 2899 | MFCO | MILLIS TRANSFER INC (DEDICATED DIVI | | | SCAC4 |
| 2900 | MFCQ | MATTSEA FISH COMPANY LTD | | | SCAC4 |
