References

  • MOL (Hungarian Oil Company) – Hungary
  • INA (Croatian Oil Company) – Croatia
  • CROSCO Drilling Co. – Croatia – Croatia/Syria
  • NEMMOCO Co. – Slovenia
  • NIS (Serbian Oil Company) – Serbia
  • GAZPROM – Astrakhan, Russia
  • TESCO Co. – Calgary, Canada
  • ROTARY Drilling Co. – Hungary / Syria
  • MB Group – Hungary / Oman
  • Hungarian Horizon Energy Co./ CED – Hungary / USA
  • TOREADOR Hungary Co. – Hungary / USA
  • MATRA Blue Star Co.– Hungary
  • PETRO Hungaria Co. – Hungary / Great Britain
  • EON Gas Storage Co. – Hungary
  • Geoinform Ltd. – Hungary
  • BJ Rotary Ltd. – Hungary
  • TDE Ltd. – Hungary
  • OEOC – Iran