Airlines — M
- DACMcDonnell Douglas
- MDSMcNeely Charter Services
- MEKMed-Trans of Florida
- MDPMedallion Air
- MDMMedavia Company
- MRZMedical Air Rescue Services
- MCLMedical Aviation Services
- MDFMediterranean Air Freight
- MDYMediterranean Airways
- MEJMedjet International
- MGKMega
- MELMega Linhas Aereas
- MKNMekong Airlines
- MNJMenajet
- MXXMerchant Express Aviation
- MECMercury Aircourier Service
- POVMeridian
- MRDMeridian Air Cargo
- MHLMeridian Airlines
- DSLMeridian Aviation
- MEMMeridian Limited
- ISSMeridiana
- MEIMerlin Airways
- MNAMerpati Nusantara Airlines
- ASHMesa Airlines
- MESMesaba Airlines
- MSQMeta Linhas A
- METMeteorological Research Flight
- MERMethow Aviation
- BTVMetro Batavia
- MVIMetro Business Aviation
- MEXMetro Express
- MTRMetroflight
- MTJMetrojet
- PIXMetropix UK
- MPSMetroplis
- MXBMex Blue
- MJTMex-Jet
- MXAMexicana de Aviaci
- MXIMexicanaLink
- MXTMexico Transportes Aereos
- MGAMG Aviacion
- JLAMIA Airlines
- HURMiami Air Charter
- BSKMiami Air International
- OWLMiami Valley Aviation
- MPTMiapet-Avia
- MGLMIAT Mongolian Airlines
- MJGMichael Airlines
- BIBMichelin Air Services
- WIZMicromatter Technology Solutions
- NYLMid Airlines
- MPAMid-Pacific Airlines
- MJRMidamerica Jet
- MEAMiddle East Airlines
- MIDMidland Airport Services
- MFRMidline Air Freight
- MISMidstate Airlines
- MDWMidway Airlines
- FLAMidway Express
- FAXMidwest Air Freighters
- MEPMidwest Airlines
- MWAMidwest Airlines (Egypt)
- NITMidwest Aviation
- MWTMidwest Aviation Division
- HTEMidwest Helicopters De Mexico
- MABMillardair
- RJMMillen Corporation
- MLKMillennium Air
- MFSMiller Flying Services
- OXOMillion Air
- MIMMimino
- NABMina Airline Company
- OMRMinair
- EBEMinebea Technologies
- MAZMines Air Services Zambia
- MNLMiniliner
- MNSMinistic Air
- WDGMinistry of Agriculture
- LIRMinsk Aircraft Overhaul Plant
- MICMint Airways
- MIRMiramichi Air Service
- MIFMiras
- MOSMisr Overseas Airways
- MAFMission Aviation Fellowship
- MSNMissionair
- MRNMissions Gouvernemtales Francaises
- BDGMississippi State University
- MVAMississippi Valley Airways
- MSAMistral Air
- MNCMIT Airlines
- MKAMK Airline
- MNBMNG Airlines
- MBOMobil Oil
- MXEMocambique Expresso
- MFZMofaz Air
- MLEMoldaeroservice
- MDVMoldavian Airlines
- MVGMoldova
- RRVMombasa Air Safari