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Toronto Headquarters
Royal Bank Plaza, South Tower Suite 2301, 200 Bay Street
Toronto, Ontario, Canada
Post Code: M5J 2J1
Fax: 1-416-594-9369
E-mail: tenders@dumasmining.com
Telephone: 1-416-594-2525

Dumas Contracting Ltd.

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.

Dome Mine July 7, 2020
Cerro Negro July 7, 2020
Borden Mine July 7, 2020

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.

We offer a world class health and safety
training program to our new employees,
in addition to refresher training and
awareness programs for our long-term
and returning employees.

From exploration, initial site access and
clearing through to preproduction and
production development, Dumas is the
choice for end-to-end project development.