What does NAY stand for?

Narrinyeri - Language code (ETLW)

Navegacion y Servicios Aereos Canarios SA - Spain - ICAO designator (FAAC)

New Alster Energy - Vancouver Stock Exchange symbol

North American Yachts & Shipbuilding, Fort Lauderdale, FL - Manufacturer code for watercraft hull identification number (USCG)

Not Available Yet - Numismatic term