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Gafsa Phosphate Company (CPG) :

Is a Tunisian company operating in Gafsa phosphate based, is among the largest producers of phosphates, ranking fifth in the world.

Groupe chimique tunisien (GCT) :

is a tunisian public company whose purpose is to produce and process the phosphate extracted in Tunisia in chemicals such as phosphoric acid and fertilizers.

CGG Veritas :

Is an international leader in the worldwide pure-play Geophysical Company offers a wide range of technologies, services and equipment to its large customer base primarily in the global oil and gas.


is one of the main investors of Spain in the U.S. and its largest investor in the transport infrastructure of the United States, founded in 1952 is one of the groups of the world's leading infrastructure, operating through its airports, toll roads, construction and services divisions.