We cordially invite you to invest in the 4th International Conference on Tunnel Boring Machines in Difficult Grounds (TBM DiGs 2019) to be held in Golden, Colorado, USA on November 14 – 15, 2019.


This conference offers your company or organization a special opportunity to enhance its image by supporting the goals of TBM DiGs for the international participants and local community. Each contribution will be prominently and appropriately acknowledged.


All prices are quoted in US Dollars. All payments are expected in US Dollars.

Additional Information

For additional information or questions about sponsorships for TBM DiGs, please send an email to Learn@mines.edu.

Establishing a Sponsorship

To establish a sponsorship, please visit the website at the following address: https://sponsor.csmspace.com

Sponsorship Levels