Clients
SHELL UK ICI SHELL CANADA TATA STEEL
       
BP PHILLIPS66 GULF OIL CORUS
       
BPA SASOL ALSTOM ALCAN
       
ESSO TUPRAS PETRO SA FOSTER WHEELER
       
TEXACO LUK OIL RIO-TINTO GREENERGY
       
TOTAL MOBIL OIL CONOCO PHILLIPS BNFL