What does KOK stand for?

Horizon Cargo Transport, Inc. - ICAO designator (FAAC)

Kansallinen Kokoomus - National Coalition Party - Finland - Political party (EAIO)

Koke Boteworx, Niceville, FL - Manufacturer code for watercraft hull identification number (USCG)

Kokkola - Finland - Airport symbol (OAG)

Kokura - NCIC firearms make code (NCIC)

Kombio - Language code (ETLW)

Konkani - MARC language code - Library of Congress (LCCP)