8-Contracting affairs, implementation, consultation, design and supervision related to the construction of public and private buildings and structures, including wooden, brick, stone, concrete and metal, building structures, small and large areas, wall construction, sidewalks and the like
9-Contracting matters related to dams, dams and water power plant construction, hydraulic structures and water tunnels and water networks, water tanks, water distribution treatment plants, facilities and equipment of large water and sewage treatment plants, water transmission lines, pumping stations Water and sewage, water transfer channels and irrigation and drainage networks, marine and coastal structures, construction operations (civil) of water and sewage treatment plants and the like.
10 - Contracting matters related to the production, transmission and distribution of electricity, including power plants, power grids, electrical installations, distribution stations and general and special electronics and the like.
11-Contracting matters related to urban gas supply network, mechanical and hydromechanical facilities of dams, building cooling systems, building facilities and equipment (water, gas, electricity and sewage) and waste transfer, facilities and equipment of small water and sewage treatment plants, means of transportation (elevator, escalator, etc.) news and warning systems, kitchen and self-service and laundry equipment, communication systems, building computer networks, sandblasting, cathodic protection, lining and pumping stations Small water and sewage and the like.
12- Carrying out matters related to energy audit and optimization in different areas of consumption and the like.
13- Supplying the required expert manpower in all fields and disciplines and concluding contracts for manpower and services and the like.
14-Contracting matters related to well facilities and flow pipelines, oil and gas processing and gas and liquefied gas factories and gas and water injection, oil and gas refineries and petrochemical plants, oil storage tanks, oil and gas transmission lines, pumps Oil houses and gas pressure boosting stations, oil and gas marine structures and the like. If necessary, after obtaining the necessary permits from the relevant authorities