CZ
CZ is the country code for the Czech Republic, but also appears in gaming (Condition Zero), as shorthand for combat zones, and for cubic zirconia gemstones.
Medical
Miscellaneous
Crvena Zastava
Charles Zean
Chang Zheng
Ceska Zbrojovka
Castle Znain
Current Zero
Lighter-than-air Aircraft Carrier (Cruiser, Zeppelin)
Ceskoslovenska Zbrojovka
Ceska Zbrojowka
Creatively Zealous