Dumas is a leading full-service underground mining contractor providing services to clients throughout the Americas. We specialize in mine construction, mine development, production mining, mine services and engineering.

Community Involvement

Dumas fosters a philanthropic spirit across our employee base and continuously strives to be a responsible corporate citizen through a commitment to: employing locally in the communities where we work, supporting training initiatives, sponsoring community events, and encouraging employee participation.


Safety Innovation

When it comes to safety, status quo is simply not enough; Dumas constantly seeks new and better ways to get the job done efficiently and with Zero Harm. We are proud of our culture of safety innovation, and honoured to be the recipient of several prestigious industry awards, including four safety innovation awards.


International Reach

Throughout the Americas – from Canada to the US, Mexico, Guatemala, and Peru – clients rely on Dumas to bring the very best in safety, technical expertise, and innovation to their projects. We deliver world class services through local presence with an understanding of the unique culture and challenges of each region.