Class 019
Non-Metallic Building Material Products
Building and construction materials and elements, not of metal; non-metallic rigid pipes for building; non-metallic transportable buildings;
Class 037
Construction and Repair Services
Building construction and repair; pipeline construction and laying; installation of industrial installations; offshore assembly; maintenance of oil and petrochemical installations; turnkey construction of installations for transporting liquids; transport infrastructure; civil and industrial construction; off-shore construction; repair of off-shore installations; extraction of gas; oil and gas drilling; construction of structures for transporting petroleum and natural gas; drilling of oil or gas wells; construction of pipelines; construction of fountains; pipeline construction and maintenance; drilling and pumping of oil;
Class 042
Computer & Software Services & Scientific Services
Scientific and technological services and research and design relating thereto; industrial analysis and research services; engineering services; research in the field of ecology; engineering consultancy and surveying; geological research and surveys; oil-field surveys and oil-well testing; gas exploration; exploration of gas and oil; exploration and searching of oil and gas; exploration services to locate gas; geophysical exploration for the gas industry; geophysical exploration for the oil, gas and mining industries; engineering services relating to gas transport and supply systems; oil-field surveys; oil-field surveys; analysis of oil reservoirs; oil well logging and testing; analysis and testing services in the field of oil exploitation;