35
Import-export agencies in the field of energy; Procurement of contracts concerning energy supply; Energy price comparison services; Billing services in the field of energy; Tracking and monitoring fluctuation in gasoline prices for others for account auditing purposes; Tracking and monitoring energy consumption for others for account auditing purposes; Gas meter reading for billing purposes; Assistance and consultancy services in the field of business management of companies in the energy sector
37
Construction of structures for the storage of natural gas; Construction of structures for the transportation of natural gas; Construction of structures for the production of natural gas; Installation of gas supply and distribution apparatus; Installation of gas and water pipelines; Installation of gas pipelines; Installation of pipe systems for conducting of gases; Beneath ground construction work relating to gas supply mains; Plumbing and gas and water installation; Maintenance and repair of oil and gas storage installations; Emergency servicing of gas supply apparatus; Repair of gas supply systems; Drilling of deep oil or gas wells; Gas drilling; Installation of power generating apparatus; Installation of solar powered systems; Installation of hydropower systems; Installation of wind power systems; Maintenance and repair of solar power installations; Maintenance, servicing and repair of power generating apparatus and installations; Installation of photovoltaic cells and modules; Maintenance, repair and reconditioning of photovoltaic apparatus and installations; Construction services; Renovation and repair of buildings; Erection of pre-fabricated buildings; Maintenance of buildings; Demolition of buildings; Installation of plant; Installation of energy-saving apparatus; Plant maintenance; Plant refurbishment; Construction of sewerage systems; Building construction supervision; Supervision of building repair; Road paving; Earthmoving; Construction consultancy; Provision of construction information by electronic means; Consultation in building construction supervision; Rental of construction and building equipment; Rental of construction equipment; Information concerning rental of equipment for constructions and buildings; Cleaning of building sites
39
Distribution of gas; Gas supplying [distribution]; Transmission of oil or gas through pipelines; Arrangement of the transportation of fuels; Storage of gaseous fuels; Gas storage services; Pipeline transport of gases; Transportation of dry gas; Transport and distribution of natural gas and liquefied gas; Electricity supply and distribution; Distribution of renewable energy; Storage of energy and fuels; Information and advisory services in relation to the distribution of energy; Provision of data relating to methods of transport; Transportation information; Transport brokerage; Chartering of transport; Arrangement of transportation
42
Design of pipelines; Technical design and planning of pipelines for gas, water and waste water; Engineering services relating to gas transport and supply systems; Engineering services in the field of electrical power and natural gas production; Engineering services for the gas industry; Design of industrial plant; Design of engineered building systems; Engineering services relating to energy supply systems; Exploration of gas and oil; Exploration services to locate gas; Gas exploration; Exploration services in the field of the oil, gas and mining industries; Technical testing services; Quality control testing; Certification [quality control]; Quality control of raw materials; Product quality testing; Engineering testing; Engineering consultancy relating to testing; Consultancy services relating to quality control; Environmental testing of exhaust emissions; Exploration and searching of oil and gas; Geological surveys; Consultancy services relating to geology; Geological exploration; Geological probing of building plots; Geological estimations and research; Consultancy in the field of energy-saving; Energy auditing; Design and development of regenerative energy generation systems; Design and development of energy distribution networks; Structural engineering services; Engineering consultancy services; Surveying; Architectural design; Architectural services for the design of buildings; Computer aided design services relating to architecture; Building design services; Conducting technical project studies for construction projects; Preparation of reports relating to technical project studies for construction projects; Conducting of technical feasibility studies; Design feasibility studies; Technical surveying; Engineering drawing; Preparation of engineering drawings