About Us

Beginning in 1994, we have grown to become one of Canada’s largest mining contracting firms.

Who We Are

Years Of Underground Mining Expertise

Through the Americas, our clients rely on us to bring the very best in safety, technical expertise, and innovation to their projects. We deliver world-class services through a local presence with an understanding of the unique culture and challenges of each region.

With an established record of delivering effective solutions, Dumas continuously provides innovative and superior service for clients.

Vision and Values

Sustainability

Community Involvement

Strategic Partners

Vision & Values

Discover Our Core Values

At Dumas, our vision and values are simple and clear. Our vision outlines our future and where we aspire to be as an organization. Our values are the underlying beliefs that guide our behaviour and actions, and support our company in the journey to achieving our vision.

Our Vision

To be recognized  as the trusted international  provider of world-class underground mining services.

We Care

For employees, health & safety, the environment, and communities, we are all proud to be part of the Dumas team.

We Value Clients

To be pro-active, deliver on commitments, make clients successful, add value, and keep clients informed.

We Shape the Future

Improve, renew, create, and develop. Be better tomorrow, both as individuals and as a company.

We Work Together

Teamwork is integral to our culture and behaviour; we set team objectives and celebrate team success.

We Excel

Be action and results-oriented; develop expertise; follow the plan-execute-improve cycle; share best practices.
Sustainability

Supporting Clients in their Business Sustainability Goals

As a strategic partner in mining, Dumas adds value and promotes sustainability across the mining chain through technology, innovation, and operational excellence. Our responsible support helps clients achieve their sustainability goals and contributes to a better environment, fairer society, and healthier planet.
Community Involvement

Guided by Purpose, Driven by Values

Dumas supports local communities by hiring locally, sponsoring events, and encouraging employee volunteering and donations. Below are some highlights of these efforts:

North Eastern Ontario Family and Children’s Services (NEOFACS)

Since 2008, Dumas employees in Timmins and Kirkland Lake, Ontario, have partnered with NEOFACS to purchase Christmas gifts for children in need and sponsor local families. Thanks to the kindness and effort of employees, their families and friends, hundreds of gifts have been distributed to less fortunate children over the years.

Dumas ROCKS for CNIB

Dumas employees won the $25,000 grand prize on Canada Sings with a performance celebrating “Lake Joe,” an accessible lakefront facility in Muskoka that offers recreation and vision rehabilitation. Impressed by the team’s enthusiasm, Dumas executives donated an additional $10,000, bringing total support for CNIB to $35,000.

Face Off for Funds

Since 2012, Dumas and its employees have sponsored and supported the Timmins and District Hospital by participating in the Rotary Face Off for Funds 24-hour hockey fundraiser.

Dumas has been a proud sponsor of the following companies

Strategic Partners

Services Partnerships Major Drilling

We are always looking for innovative ways to grow our business and enhance the comprehensive services we offer. Through the formation of strategic partnerships, we provide further benefits to our valued clients around the world.
Through an exclusive partnership with Major Drilling, one of the world’s largest mining-focused drilling companies, Dumas offers world-class production and longhole drilling services. With global operations and advanced technology, Major delivers high productivity, lower costs, and safer drilling using a versatile fleet of proprietary equipment.

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