What does NEY stand for?

Neomycin Egg Yolk - Agar - Microbiology

New England Yachts, South Boston, MA - Manufacturer code for watercraft hull identification number (USCG)

New York Arms Co. - NCIC firearms make code (NCIC)

Neyland - British depot code

Neyo - Language code (ETLW)

Northeastern Yiddish - Language, etc. (BJA)