About Us

Dumas is a leading full-service underground mining contractor providing services to clients throughout the Americas.

From concept to completion, our services cover the complete project lifecycle. This includes site development and infrastructure, mine construction, production mining and specialty engineering services. With an extensive fleet of high quality production equipment, Dumas can meet the demands of any project in any location.

Underpinning our success is the commitment and expertise of our greatest asset - people. We pride ourselves on an ability to find the common ground in all our relationships: with our clients, partners and suppliers, employees, and government and community groups.

That is why we position our company on a message of "Your project. Our expertise. Common ground."