What does GEY stand for?

Enya - Language code (ETLW)

Getty Resources Ltd. - Toronto Stock Exchange symbol

Geuserland Airways Ltd. - New Zealand - ICAO designator (FAAC)

Greybull (SAUS)

Greybull, WY - Location identifier - FAA (FAAL)

Interyacht Inc., Warwick, RI - Manufacturer code for watercraft hull identification number (USCG)