Attendees at the ISTT Masterclass programmes are offered complimentary membership to the International Society for Trenchless Technology (ISTT). This membership will be valid until 30 June 2015. After, ISTT will offer an option for renewal.

To obtain your membership please log-in at the left side of this page.

The registration link will appear under the left menu tab 'ISTT Membership' as 'ISTT Membership Link'.