What does GOK stand for?

GNOME- GNU's Not Unix Network Object Model Onscreen Keyboard (XSAL)

God Only Knows - Facetious diagnosis for a puzzling medical case

Government of Korea

Gowli - Language code (ETLW)

Guthrie, OK - Location identifier - FAA (FAAL)

Scully's Metal Fabrication Inc., Morgan City, LA - Manufacturer code for watercraft hull identification number (USCG)