Woumban

African Mining Corporation

African Technical Services

ASHAPURA MINEX RESSOURCES

CHALCO

China Construction Group

China Harbour Engineering Company

China Road and Bridge Corporation

CHINO AFRICA INTERNATIONAL

COLAS

COLIA MINING

COMPAGNIE MARITIME DE GUINÉE

Guinea Alumina Corporation

PATHFINDER INTERNATIONAL

Rent & Trading International

SHARAF SHIPPING

Société Minière de Boké (SMB)