http://www.pftt.pl/linki.php?id_kat=7

Hjemmeside med en række links til internationale søsterorganisationer.

http://www.nastt.org/

North American Society for Trenchless Technology.

http://www.istt.com/

International Society for Trenchless Technology.

http://www.ukstt.org.uk/

United Kingdom Society for Trenchless Technology.

http://www.nstt.nl/

Netherlands Society for Trenchless Technology.

http://www.gstt.de/

German Society for Trenchless Technology.

http://www.ttn.bham.ac.uk/

Trenchless Technology Network. Netværk med base på University of Birmingham med benblik på at bringe forskere og industri sammen.

http://www.rorsenter.no/

Norsk rørcenter (sekretariat for den norske del af SSTT).

http://www.indstt.org

Indian Society for Trenchless Technology.

http://www.astt.com.au

Australasian Society for Trenchless Technology.

http://www.chkstt.org/ACTS/trenchmacao2007.html

China Hong Kong Society for Trenchless Technology.

http://www.iatt.it/principale/associazioni.asp

Italian Society for Trenchless Technology.

http://www.pftt.pl/index.php?lang=1

Polish Foundation for Trenchless Technology.

http://www.abratt.org.br/

Brazil Association for Trenchless Technology.

http://www.cstt.org/

China Association for Trenchless Technology.

http://www.czstt.cz/

Czech Society for Trenchless Technology.

http://www.fstt.org/

French Society for Trenchless Technology.

http://www.sastt.org.za/

Southern Africa Society for Trenchless Technology.

http://www.jstt.jp/

Japan Society for Trenchless Technology.

http://www.ibstt.org/

Iberian Society for Trenchless Technology.

http://www.robt.ru/

Russian Society for Trenchless Technology.

http://www.ultraliner.com/2000/library.nsf/74043097a240bd7506256a680075ccc3/595d2832554fc30706256a690068161b?OpenDocument

Finnish Society for Trenchless Technology.