Major Drilling Group International

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Major Drilling Group International Inc.
Traded as TSXMDI
Industry Drilling
Founded Moncton, New Brunswick (1980)
Headquarters Moncton, New Brunswick, Canada
Key people
Francis P. McGuire[1]
Number of employees

Major Drilling Group International Inc. (MDGI) is one of the largest drilling service companies in the world in the mining industry.[citation needed] The company is headquartered in Moncton, New Brunswick and has offices in Canada, the United States, South America, Central America, Asia, Africa and Australia. MDGI is a public company traded on the Toronto Stock Exchange as MDI. The company was founded in 1980 as a small drilling operation and now does drilling all over the world for mining companies. They are capable of drilling using various methods including:

  • Surface Wireline Core Drilling
  • Underground Wireline Core Drilling
  • Multi-Purpose Drilling
  • Reverse Circulation Drilling
  • Directional Drilling
  • Water-Well Drilling
  • Grade Control Drilling
  • Environmental Drilling
  • Geotechnical Drilling
  • Coal-Bed Methane - CBM Drilling
  • Shallow Oil and Gas Drilling

Companies in Canada that offer drilling services like Major Drilling include: Black Rock Drilling, Foraco Drilling, Orbit Garant, Energold Drilling Energold, Boart Longyear Boart Longyear, G4, and more.


  1. ^ a b "Company Profile for Major Drilling Group Intl Inc (CA;MDI)". Retrieved 2008-10-15. 

Coordinates: 46°05′34″N 64°46′37″W / 46.092683°N 64.777°W / 46.092683; -64.777