11 Apparatus and installations for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes, ventilation hoods, air filtering installations, filters, all included in class 11.
35 Advertising; business management services; business administration; office functions; arranging and concluding of contracts for commercial transactions, and for the buying and selling of goods and services, in particular energy contracting; professional business consultancy; holding company services, namely marketing strategy, professional business and organisation consultancy and management for other businesses.
36 Commercial real estate management, including administration and maintenance thereof.
37 Providing services for manufacturing and maintaining the functionality of real estate of all types and equipment therefor, in particular the manufacture of building installations; conversion, renovation, modernisation, maintenance and commissioning of real estate and external installations therefor.
42 Computer programming; technical consultancy; outside catering; engineering services; energy brokerage; coordination and allocation of services for manufacturing and maintaining the functionality of real estate of all kinds and equipment therefor, including infrastructure, in particular the planning of building installations, technical real estate mangement, technical management of equipment for buildings; building monitoring, services in the field of security technology and security services, maintenance of green areas, property development, processing of infrastructure projects, services in the field of landscaping; planning and operating of equipment, installations and devices in the fields of energy technology, electrical engineering, building technology, communications engineering and environmental technology, and of machine, installation and equipment construction.