Interests

• Mining support services
• Oil and natural gas extraction support activities
• Drilling of oil fields
• Drilling of natural gas fields
• Services related to oil extraction except surveying services
• Services related to natural gas extraction except surveying services
• Other activities related to oil and natural gas extraction support activities
• Civil engineering
• Construction of utility projects
• Long-distance pipelines, communication and power lines
• Long-distance oil and gas pipelines
• Establishment and Maintenance of main lines and stations of water distribution
• Construction and repair of irrigation systems (canals)and main reservoirs, and drilling and maintenance of water wells
• Construction and repair of sewer systems, sewage disposal plants and pumping stations
• Construction, erection and repair of power plants
• Construction, erection and repair of wired and wireless communication stations and radars
• Other utility projects construction activities n.e.c.
• Repair and maintenance of water distribution stations, networks and main lines
• Construction and repair of irrigation systems (canals), water main storage towers and water wells drilling
• Repair and maintenance of sewer systems, sewage disposal plants and pumping station
• Construction, erection and repair of power plants
• Repair and maintenance of wired and wireless communication stations and radars
• Construction of other civil engineering projects
• Construction of refineries and petrochemical plants
• Construction of harbor and river works
• Construction of pleasure ports (marinas)
• Construction of dams
• Dredging of waterways
• Construction of dykes
• Other construction works, other than buildings, such as outdoor sports facilities, land subdivision with land improvement (e.g. adding of roads, utility infrastructure etc.)
• Repair and maintenance of dams
• Repair and maintenance of port piers and marine facilities
• Specialized construction activities
• Electrical installation
• Electrical wiring
• Telecommunications wiring
• Network wiring
• Other electrical and telecommunications wiring activities
• Installation of satellite dishes
• Installation of computer network and cable television wiring
• Other computer network and cable television wiring installation activities
• Installation of lighting systems
• Installation of fire alarms
• Installation of burglar alarm systems
• Other lighting systems, fire alarms and burglar alarm systems installation activities
• Installation of street lighting and airport runway lighting
• Connecting of electric appliances and household equipment, including baseboard heating
• Other types of electrical installation
• Installation and maintenance of fire alarms devices and equipment
• Installation of burglar alarm systems
• Installation and maintenance of safety devices
• Installation and maintenance of traffic safety devices
• Other lighting systems, fire alarms and burglar alarm systems installation activities
• Services to buildings and landscape activities
• General cleaning of buildings
• General cleaning of buildings
• Other building and industrial cleaning activities
• Exterior cleaning of buildings
• Specialized cleaning activities for buildings such as window cleaning, chimney cleaning, etc.
• Swimming pool cleaning and maintenance services
• Disinfecting and exterminating activities
• Cleaning of trains, buses, planes, etc.
• Cleaning of industrial machinery
• Street sweeping and snow and ice removal
• Other building and industrial cleaning activities n.e.c.
• Disinfection activities and pest and rodents control by fumes

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