• ADDAX (Cameroon, Gabon)
• ANGLOGOLD ASHANTI (Ghana)
• ASSALA (Gabon)
• CENPOWER (Ghana)
• COMPAGNIE SUCRIERE SENEGALAISE (Senegal)
• CORAF (Congo)
• ENI (Congo)
• EXXONMOBIL (Cameroon, Chad)
• INDORAMA (Senegal)
• MAUREL & PROM (Gabon)
• MODEC (Ghana)
• NESTLE (Cameroon, Ghana, Ivory Coast, Senegal)
• PERENCO (Cameroon, Congo, DR Congo, Gabon)
• SIR (Ivory Coast)
• SOCOCIM (Senegal)
• SONARA (Cameroon)
• SUCRIVOIRE (Ivory Coast)
• TRIDENT ENERGY (Equatorial Guinea)
• TOTAL (Angola, Congo, Gabon)