• VAVA s.r.o. - Slovakia
  • Orbis Consultants - UK
  • Avidd - UK
  • Railtech FrancÚ
  • Stemann s.r.o. - Slovakia
  • Catalyst Group a.s. - Slovakia
  • K+K a.s. - Slovakia
  • RVS Partnership - UK
  • Chirasys a.s. - Slovakia
  • ALSTOM Hydro Austria GmbH - Austria
  • Kovo-Galant s.r.o. - Slovakia