الغاز والبترول، حفر واستخراج

WINGAS STORAGE UK LIMITED

FORTUM ENERGY LTD

THOMAS SILVEY,LIMITED

VITOL SERVICES LIMITED

SHELL INTERNATIONAL TRADING AND SHIPPING COMPANY LIMITED

ARCADIA PETROLEUM LTD

PREMIER OIL FAR EAST LTD

PETROBRAS EUROPE LIMITED

NORSK HYDRO (U.K.) LIMITED

CHEVRON EQUITY SERVICES LIMITED

CONOCOPHILLIPS (U.K.) ALPHA LIMITED

SINOCHEM INTERNATIONAL OIL (LONDON) CO; LIMITED

UNION ENERGY LTD

SHELL CAPITAL SERVICES LIMITED

E.ON UK GAS LTD

STAR SERVICE STATIONS LIMITED