What does NAX stand for?

Ewa, HI - Location identifier - FAA (FAAL)

M. K. M. Maufacturing, Sanford, FL - Manufacturer code for watercraft hull identification number (USCG)

Nakwi - Language symbol (ETLW)

New Arcadia Explorations - Vancouver Stock Exchange symbol

Norwegian Air Shuttle, AS - FAA designator (FAAC)