35
Data compilation and systematization in a central database; advertising; commercial business management; corporate administration; office functions, professional business consulting, business organization and management consulting, market research (marketing); consulting in the field of supply services for third parties (procurement of goods and services for other companies)
37
Providing maintenance and consulting services for gas and liquid leakage detection in pipe systems; construction; repair; installation services
42
Computer consulting services in the field of electronic commercial transaction; software installation, maintenance of computer software, updating of computer software databases; rental and leasing of access time to data networks and databases (computer services) free of charge; scientific and technological services and related research and design services; industrial analysis and research services, in particular for gas and liquid leakage detection in pipe systems