"Dumas is an innovative shaft construction company, they have many years of shaft construction experience and with an excellent track record on construction safety and cost controls.“
Through an exclusive partnership with Major Drilling, Dumas is able to provide world-class production and longhole drilling services to our clients.
Established in 1980, Major is one of the world’s largest drilling services companies primarily serving the mining industry.
Major maintains field operations and offices in Canada, the United States, Mexico, South America, Asia, Africa and Europe. Major provides a complete suite of drilling services and a variety of mine services. Their drill technology allows for higher productivity, lower costs, and safer production.
With a high quality fleet of branded and proprietary drilling equipment, Major has the flexibility to meet a large spectrum of drilling needs.
https://www.majordrilling.com/