Apparatus and installations for distillation; apparatus and installations for processing petroleum residues
Environmental Control ApparatusServices of building and renovating refining plants, buildings and permanent buildings
Building Construction and RepairProcessing and recycling of petroleum residues, petroleum processing, petroleum refining, processing (transformation), sorting and destruction of waste and of raw materials from reclaiming, waste recycling, decontamination of dangerous materials, water treatment
Treatment of MaterialsScientific and industrial research services in the fields of energy, the environment, natural resources, petroleum and hydrocarbons; technical project studies, surveying (engineers' services), engineering, construction drafting, architectural consultation, research and development of new processes for processing and refining petroleum; industrial design, consulting on environmental protection, quality control
Computer and Scientific