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The Rapid Excavation & Tunneling Conference 2021 (RETC) is the tunneling industry's largest and most influential global educational event - and marketing opportunity – in tunneling and underground construction worldwide.
Engage with key stakeholders, stand out from the competition and enhance your corporate profile through our robust sponsorships:





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What Attendees Say

Over four decades of conferences, RETC provides both the experienced tunneling professional and the individual just starting in the business the opportunity to stay connected while integrating new ideas and innovations into contracting, design, and construction.

Bill Mariucci
Team Leader, Kiewit infrastructure Co.
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  • The Society for Mining, Metallurgy & Exploration Inc. (SME) is a professional society (nonprofit 501(c)(3) corporation) whose more than 15,000 membership represents all professionals serving the minerals industry in more than 100 countries. View More >>
  • Address: 12999 E Adam Aircraft Cir
    Englewood, CO 80112
  • Phone: 303.948.4200
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