What does TTZ stand for?

What does TTZ mean?

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