Master Drilling Group Limited, an investment holding company, provides specialized drilling services to blue chip major and mid-tier companies in the mining, civil engineering, construction, and hydro-electric power sectors. It offers raise bore drilling services; rock boring services, including raise, horizontal, box hole, slot, reef, mobile tunnel, and blind shaft boring systems; exploration drilling services, such as aircore, blast hole, core, grade control, hydrogeological, mud rotary, percussion, sonic, and underground drilling services; and support services comprising directional drilling, stage shaft and remote-operated shaft support, piling, and geo intelligence services. The company also provides mobile tunnel boring systems. It operates in Africa, Central and North America, South America, and internationally. The company was founded in 1986 and is based in Fochville, South Africa.