What does MKY stand for?

East Makian - Language code (ETLW)

Mackay - Australia - Airport symbol (OAG)

Makeyevka - Former USSR - Seismograph station code, US Geological Survey - Closed (SEIS)

Marco Island, FL - Location identifier - FAA (FAAL)

Markal Boats, Friday Harbor, WA - Manufacturer code for watercraft hull identification number (USCG)

Milkyway Networks (TLAA)

Monky Aerotaxis SA - Mexico - ICAO designator (FAAC)