Drilling of deep oil or gas wells; Mining extraction; Dredging; Extraction of oil; Land clearing; Site preparation

Gas processing and treatment; Gas processing services; Processing of gas; Purification of gases; Refining of gas; Production of energy; Refining of oil

Exploration services in the field of the oil, gas and mining industries; Oil-well testing; Analysis for oil field exploration; Gas, oil, petroleum, minerals exploration (prospecting); Geophysical exploration; Advisory services relating to energy efficiency; Advisory services relating to the use of energy; Analysis of geological samples; Conducting of feasibility studies (scientific research); Development of testing methods; Engineering; Geological test drilling; Provision of information relating to environmental sustainability; Research relating to agriculture; Scientific research relating to ecology; Surveying; Testing for pollution

Safety services; Inspection of workplaces for occupational health and safety purposes; Services for the protection of property and individuals