TSITT was formed and affiliated in 2010. TSITT holds annual No-Dig Turkey Conference and Exhibition since 2011. TSITT holds annual Water Loss Forum and Exhibition since 2014. TSITT hosted 33rd International No-Dig Istanbul Conference and Exhibition on 28-30 September 2015 with these figures: 94 companies from 21 countries joined the exhibition. 910 visitors from 50 countries visited the booths. 51 papers were presented during 14 sessions of the conference. 149 delegates from 31 countries followed the presentations. TSITT is an active member of ISTT having close relationships with the trenchless markets in Europe, Asia and Middle East countries.