Member Nations

Currently, ITA has 81 Member and Observer Nations.

Become a member

Albania

Algeria

Asociación Argentina de Túneles y Espacios Subterráneos (AATES)

Argentina

Australasian Tunnelling Society (ATS)

Australia

Austrian National Committee of ITA

Austria

Azerbaijan Tunnel Builders'Union

Azerbaijan

Tunnelling Association of Belarus

Belarus

Association Belge des Techniques et de l'Urbanisme Souterrains

Belgium

Druk Green Power Corporation Ltd

Bhutan

ABOTUNEL (Bolivia)

Bolivia

Udruzenje Konsultanata Inzenjera Bosne i Hercegovine – ITA BH

Bosnia and Herzegovina

CBT - Brazilian Tunnelling Committee

Brazil

Bulgarian Association for Geotechnical and Tunnel Construction - BAGTC

Bulgaria

Ministry of Public Works and Transport

Cambodia

Tunnelling Association of Canada

Canada

Comité de Túneles y Espacios Subterráneos de Chile (de la Corporación de Desarrollo Técnológico de la Cámara Chilena de la Construcción)

Chile

CCES - China Civil Engineering Society

China

Colombia - Comité Colombiano de Túneles

Colombia

Technical Committee on Underground Works, Costa Rican Geotechnical Association

Costa Rica

ITA Croatia - Croatian Association for Tunnels and Underground Structures

Croatia

ITA-AITES Czech Tunnelling Association (CzTA)

Czech Republic

DFTU - Danish Society for Tunnels & Underground Works

Denmark

Ecuador - Tunnelling Committee

Ecuador

Egyptian Tunnelling Society - ETS

Egypt

Finnish Tunnelling Association - FTA

Finland

Association Française des Tunnels et de l'Espace Souterrain (AFTES)

France

Deutscher Ausschuss für Unterirdisches Bauen e. V. - DAUB (German Tunnelling Committee)

Germany

Greek Tunnelling Society

Greece

Asociacion de Construcciones Subterraneas de Guatemala ( ACSG)

Guatemala

HTA - Hungarian Tunnelling Association

Hungary

The Icelandic Tunnelling Society

Iceland

Tunnelling Association of India

India

Indonesian Road Development Association - IRDA

Indonesia

Iranian Tunnelling Association - IRTA

Iran

Israeli Union of Construction and Infrastructure Engineers (IUCIE)

Israel

Società Italiana Gallerie - SIG

Italy

JTA - Japan Tunnelling Association

Japan

KTA - Kazakhstan Tunnelling Association

Kazakhstan

Kenya

Korean Tunnelling and Underground Space Association

Korea (South)

Lao Union of Science and Engineering Associations - LUSEA

Lao PDR

Lebanon

Lesotho Tunnelling Society - LTS

Lesotho

Tunnelling and Underground Space Technical Division - The Institution of Engineers

Malaysia

Asociación Mexicana de Ingeniería de Túneles y Obras Subterráneas

Mexico

Montengren Association for Tunnels and Underground Structures – ITA Montenegro

Montenegro

Association Marocaine des Travaux en Souterrain

Morocco

Myanmar Tunnelling and Underground Space Committee

Myanmar

Nepal Tunnelling Association - NTA

Nepal

Department of Tunnelling & Underground Works (TTOW) of the Royal Institution of Engineers (Kivi Niria)

Netherlands (The)

Department of Tunnelling & Underground Works (TTOW) of the Royal Institution of Engineers (Kivi Niria)

New Zealand

Nigeria

Nigeria

Macedonian Association for Tunnels and Underground Structures

North Macedonia

Norwegian Tunneling society

Norway

Pakistan

Sociedad Panameña de Ingenieros y Arquitectos

Panama

Papua New Guinea

Asociacion Peruana de Tuneles y Obras Subterraneas (APTOS)

Peru

Philippines (The)

Subcommittee of Underground Construction of Polish Geotechnical Committee

Poland

Comissão Portuguesa de Túneis (CPT)

Portugal

Qatar Tunnelling Society (QTS)

Qatar

Association Roumaine des Tunnels - ART

Romania

RTA - Russian Tunnelling Association

Russia

Saudi Arabia Ministry of Transport (MOT)

Saudi Arabia

Serbian Association for Tunnels and Underground Structures – ITA Serbia

Serbia

Tunnelling and Underground Construction Society Singapore - TUCSS

Singapore

Slovak Tunnelling Association - STA

Slovakia

Slovenian Society for Underground Structures (SSUS)

Slovenia

South African National Committee on Tunnelling - SANCOT

South Africa

Asociación Española de Túneles y Obras Subterráneas

Spain

BK Swedish Rock Construction Committee

Sweden

STS Swiss Tunnelling Society

Switzerland

Thailand Underground and Tunnelling Group - TUTG

Thailand

Turkish Road Association (TRA) - Yollar Türk Milli Konitesi (YTMK)

Türkiye

Ukrainian State Corporation on Construction of Underground and Tunnels

Ukraine

Society of Engineers - UAE

United Arab Emirates

British Tunnelling Society

United Kingdom

Underground Construction Association of SME

U.S.A.

SOCVENOS - Sociedad Venezolana de Obras Subterráneas

Venezuela

The Vietnamese Tunnelling Association - VTA (CHI HOI CONG TRINH NGAM)

Vietnam