Contract mining; drilling; drilling of deep oil or gas wells; drilling of tunnels; extraction of oil; maintenance and repair of gas installations and equipment; mining extraction; mining services; oil drilling; oil pipeline construction; oil pumping; on site building project management and construction supervision; project management, and project management consultancy services, both in relation to mineral exploration projects; consultancy services in relation to the construction, use, maintenance and repair of mining equipment; provision of repairs and maintenance to mining equipment; rock blasting and drilling

Advisory services relating to scientific products and scientific research; analysis of geological samples; analysis for oil field exploration; building and structural inspection services (engineering, quality assessment and surveying services); compilation of scientific information; drilling (geological prospecting); engineering surveying; engineering surveys and inspections; exploration services; mineral exploration; geological estimation, research, prospecting and surveys; geophysical exploration; geophysical research services; geophysical surveys; land surveying; oceanographic prospecting and research services; off site building project management; oil exploration and prospecting; oil-field surveys; oil-well testing; preparation of reports relating to scientific research; provision of information relating to scientific research; research relating to technology; scientific and technological services; soil analysis and testing services; surveying; surveying of land; technological advisory services; technological research; underwater exploration