What does GNO stand for?

Gallium Neutrino Observatory (SAUS)

Gave Notice - Telegraphy (PCTE)

Glenn Industries Inc., Clearwater, FL - Manufacturer code for watercraft hull identification number (USCG)

Gnom - NCIC firearms make code (NCIC)

Golden North Resource Corp. - Toronto Stock Exchange symbol - Vancouver Stock Exchange symbol

Gross Product Originating (SAUO)

Group Navigation Officer (SAUO)