What does AZO stand for?

Alpha Zeta Omega - Fraternity

Arizona Fiberglass, Glendale, AZ - Manufacturer code for watercraft hull identification number (USCG)

Arzaero - Azerbaijan - FAA designator (FAAC)

AutoZone Inc. - NYSE symbol

Awing - Language code (ETLW)

Kalamazoo - Michigan - Airport symbol (OAG)

Azores (VRA)