- TTZ
- The Tech Zone (Community » Media)* Total Telcom Inc. (Business » Stock Exchange)* Teisseyre -Tornquist Zone (Academic & Science » Physics)* Target Training Zone (Academic & Science » Universities)* Target Training Zone (Governmental » Military)* Target Training Zone (Governmental » NASA)* Target Training Zone (Community » Law)* Twin Turbo Zs of Dallas (Business » Firms)* Totally Tubular Zone (Community)* Tashkent Tractor Z model (Business » Products)
Abbreviations dictionary. 2012.