National Tunneling and Underground Construction Association (NTACT)

The National Tunneling and Underground Construction Association (NTACT) is a professional organization that supports experts involved in designing, building, and maintaining underground structures like tunnels, subways, and utility conduits. It provides resources, industry standards, research, and networking opportunities to promote safe and innovative underground construction practices. NTACT aims to advance technology, education, and collaboration among engineers, contractors, and other stakeholders to improve efficiency and safety in underground projects nationwide.