4
Electrical energy
7
Current generators; Dispensing machines
9
Apparatus, instruments and cables for electricity
11
Heating, ventilating, and air conditioning and purification equipment (ambient); Burners, boilers and heaters
35
Tracking and monitoring energy consumption for others for account auditing purposes
37
Pipeline installation and repair; Electrical installation services; Laying and construction of pipelines; HVAC (Heating, ventilation and air conditioning) installation, maintenance and repair
39
Distribution by pipeline and cable; Supply of electricity; Distribution of energy; Information and advisory services in relation to the distribution of energy; Supply of waste heat; Distribution of gas; Distribution of energy for heating and cooling buildings; Distribution of heat; Heat supplying [distribution]; Delivery of fuel; Distribution of renewable energy
40
Consultancy services relating to the generation of electrical power; Waste water treatment; Treatment of waste water from industrial processes; Energy production; Rental of electric fans for cooling; Purification of gases; Filtration of gases; Processing of fuel materials; Treatment of natural gas; Leasing of energy generating equipment; Recycling of waste
41
Education, entertainment and sports; Organisation of conferences, exhibitions and competitions; Education and training relating to nature conservation and the environment; Technical training relating to safety
42
Engineering services; Energy auditing; Technical design and planning of power stations; Consultancy relating to technological services in the field of power and energy supply; Technological analysis relating to energy and power needs of others; Development of energy and power management systems; Consultancy in the field of energy-saving; Advisory services relating to the use of energy; Research in the field of energy; Design and development of energy distribution networks; Recording data relating to energy consumption in buildings; Provision of information, advice and consultancy in relation to carbon offsetting; Design and development of regenerative energy generation systems; Technological consultancy; Technical design services relating to electricity plants; Technical design services relating to heating installations; Design of heating; Design of pipelines