What does HOK stand for?

Hellmuth, Obata & Kassabaum - Architectural firm

Hilum of Kidney (MELL)

Hohkeppel - Federal Republic of Germany - Seismograph station code, US Geological Survey (SEIS)

Hoko Exploration - Vancouver Stock Exchange symbol

HOK Planning Group - Commercial firm

Hooker Creek - Airport symbol

House of Keys - Isle Of Man

Konic Hovercraft Corp., Stuart, FL - Manufacturer code for watercraft hull identification number (USCG)