- Private companies, especially in the following sectors:
- Construction
- Medical equipment
- Consulting services
- Banking and finance
- Shipping
- Alimentary sector
- Mining
- Automobile industry
- IT software and hardware development
- Ship building
- Organization and management of games of chance
- Information technology
- Pharmaceutical products
- Publicly owned companies
- Supply and distribution of power
- Gas Supply
- Aviation and Defense
- Airport and railway transports
- Pharmaceutical research and food safety
- Industrial Property
- Institutions and Agencies of the European Union
- Universities and Research Institutes
- Professional unions
- Administrative authorities
- Local government
- Private individuals