What does Ey stand for?

Emergency (SAUS)

Eastern Yiddish (BJA)

East Yorkshire Militia - British military (DMA)

Eger's Yellow

Egg Yolk

Egypt - NCIC country-territory code (NCIC)

Electron Yield

Elvisly Yours - Fan club (EAIO)

Empty - Indian Railway (TIR)

Empty Rake - Indian Railway (TIR)

Energy Yield (UWER)

Entry Year - Information retrieval (NITA)

Epidemiological Year - Medicine (EDAA)

Equilibrium Yield - Fishery management (MSC)

Essex Yeomanry - British military (DMA)

Ethyl Corp. - NYSE symbol - Toronto Stock Exchange symbol (SPSG)

Europe Aero Service - ICAO designator (AD)

Every - Telegraphy (PCTE)

Execution Year

Tajikistan - Civil aircraft markings - international (PIPO)