![]() |
|
|
The International Tunneling Association
The International Tunnelling Association is a 43 member-nation organization of underground construction professionals worldwide. They hold non-governmental consultative advisory status to the United Nations on matters related to subsurface structures. AUA members in good standing are entitled to become Affiliate members of the ITA by paying the ITA membership fee. Use the AUA Membership Application form and indicate ITA.
|
![]() |