• 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