International Tunneling and Underground Space Association

The International Tunnelling and Underground Space Association (ITA-AITES) is a non-governmental, non-profit organization founded in 1974, comprising currently 78 member nations and 266 corporate or individual affiliate members, aiming to encourage the use of the subsurface for the benefit of public, environment and sustainable development, and to promote advances in planning, design, construction, maintenance and safety of tunnels and underground space. The organization is made up of a community of professionals very involved in the tunnels and underground space industry: engineers, building owners, urban planners, architects, industrial designers, companies specialized in public works and major works, suppliers of construction equipment and materials, lawyers, political representatives, researchers and academics, economists, finance experts, and other stakeholders.