4
Industrial oils and greases, crude oil, gasoline, including fuel for engines, motor oits and lubricants
35
Mediation activities in respect of the purchase and sale of goods, activities of business, organizational and economic consultants, marketing, marketing studies, accounting advice, administrative and organizational economics services, systematization and compilation of information into computer databases, business consultancy, supply services for third parties (purchase of products and services for other companies), commercial or business information, accounting, marketing and business information, management and business consultancy, copying of documents, business management assistance for industrial or commercial enterprises, the brokering of natural gas facilities end technological equipment for mining activities
36
Real estate rental, leasing, mortgages (lending), loans (financing), financial and monetary services, financial information
37
Oil extraction, mining extraction, mining and mining-related services, oil extraction and mining consultancy, chemical cleaning, building construction, civil engineering, rental of building machinery and equipment, installation and repair of electrical appliances, installation, maintenance and repair of machines and gas equipment, engineering and industrial construction, building in elevated places using climbing or potholing techniques, rental of gas equipment and technological equipment for mining
38
Telecommunications
39
Importation, transportation
40
Treatment and refining of oil and gas, specific interventions in the earth's crust (the establishment, operation, security and disposal of underground storage of gases and liquids, establishing, operating, securing and disposal facilities to dispose of waste in underground spaces, establishing, operating, securing and disposal facilities industrial use of heat the earth's crust)
42
Geological surveys, geological investigations and surveys, oil-field surveys, chemical analysis, analysis for oil-field exploitation, expertise in the field of mining, engineering, construction drafting, land surveys, development and rental of software, location and investigation of mineral deposits