4 Natural gas, town gas.
9 Magnetic data carriers, CDs, DVDs, recording discs.
11 Apparatus for heating, cooking, refrigerating and air conditioning.
16 Printed matter.
35 Arranging commercial transactions in the field of energy; compiling, registering, systematic ordering, transmission and organising of data; computerised data management; assistance in the running and management of businesses, in particular pipe system management; business consultancy, namely energy consulting; advertising, public relations, business management; assistance in the running of gas distribution installations.
36 Real estate management, selling, leasing and rental of real estate, including property, business premises and business locations of all kinds; conducting leasing transactions; financial management.
37 Gas and water supply installations, central heating construction, repair, maintenance and locksmithing; construction of gas distribution installations and private hospitals.
39 Distribution of combustible gases, town gas, hot water and heating water, garage rental.
40 Generating energy, hot water, heating water.
41 Providing of training, in particular conducting training events for employees, customers and business partners.
42 Technical planning, in particular in the field of energy; private hospital services; operating officially authorised testing and research stations for gas and heating engineering and accredited certification centres for positive displacement gas meters, rental of energy consumption meters; supplying of ready-to-serve meals and beverages for immediate consumption; providing of food and drink for guests; rental of transportable buildings; creating web sites; legal services, in particular energy contracting.