35 Business consulting services related to the integration of the areas of business process technology and commercial consultancy for others in the field of energy, oil, gas, petrochemical, metallurgical, iron and steel industries; business organization and direction services, namely, business organization and direction services in the field of energy, oil, gas, petrochemical, metallurgical, iron and steel industries; profit analysis; business projects studies and commercial feasibility studies in the field of energy, oil, gas, petrochemical, metallurgical, iron and steel industries, business planning in the field of energy, oil, gas, petrochemical, metallurgical, iron and steel industries; business management, namely, business management related to hospital and medical services; business management and consultancy for others in the field of organization and management of medical and hospital structures, sanatoriums, convalescent homes, retirement homes, nursing homes, thermal institutes; promotion of sanitary services provided by others; sales promotion services, namely, promoting and marketing for others of pharmaceuticals, hygienic and cosmetic products; business management and organization of sanitary structures; business advisory services, namely, suppliers selection services for others; business advisory services, namely, search for and selection of the best potential suppliers of industrial plants services for others; commercial consultancy services