ARAMCO ALSTOM BAYER BASF CEPSA CNOOC CNPC DAELIM DUPONT DOW CHEMICAL ENIS.P.A EGPC,EGYPT GAS ENAP FLUOR FORSTER WHEELER HDEC/HEC IBERDROLA JGC CORPORATION | Linde Gas Germany MAERSK OIL NIGC PETROBRAS PETRONAS REPSOL SIEMENS / Switzerland SINOPEC SAIPEM SIEMENS / Germany SAMSUNG ENGINEERING SKEC,GSEC TECHNIP TECNICAS REUNIDAS TOYO ENGINEERING TOSHIBA VOPAK | INOVYN VYNOVA COVESTRO SYGENTA DENKA |