Acronyms, Abbreviations, and Initialisms.
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The meaning of the Acronym TSIS is...

TSIS is

  • Interactive Telesis, Inc.

TSIS is also in:

Acronym Definition Searched: 32358 CAPP 30354 IMEI RPS JEMEA ASPI 91066 PAL 98233 94538 WCCU CPID BYOB JT