What does esk stand for?

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

Earth Station - Kenya

Electrostatic Klystron

Engineering Sketch

Environmental Sensor Kit (MCD)

Escape - Telegraphy (PCTE)

Eskay Plastics - NCIC boat manufacturer code (NCIC)

Eskdalemuir - Scotland - Seismograph station code, US Geological Survey (SEIS)

Eskimo - Language, etc.

Eurosky Airlines - Austria - FAA designator (FAAC)

Northwest Alaska Inupiatun - Language code (ETLW)

Pelican International, Laval, QC - Manufacturer code for watercraft hull identification number (USCG)

Telecommunications Censorship Technician - Navy

Eskimo (ADWA)