Grupo Minero Dumas México, S.A. de C.V. is a leading underground mining contractor specializing in mine development, mine construction, production mining, shaft sinking, Alimak raising, and mine infrastructure projects. With more than 31 years of experience, Dumas delivers safe, innovative, and cost-effective solutions throughout the mining lifecycle, from early-stage development and capital projects to full-scale production operations. Our multidisciplinary teams provide expertise in underground mine construction, lateral and vertical development, shaft sinking and rehabilitation, mine maintenance, and project management, supported by a strong safety culture and a commitment to operational excellence. By combining technical expertise, specialized equipment, and highly skilled personnel, Dumas consistently helps clients achieve their production and development objectives while maintaining the highest standards of safety, quality, and environmental stewardship. Trusted by many of the mining industry’s leading companies, Dumas is recognized for its collaborative approach, reliable project execution, and ability to successfully deliver complex underground mining projects in challenging environments.