The company said the multibillion-dollar projects will involve in the construction of two smelters.

Bechtel Mining and Metals general manager for North America, Europe, and the Middle East Russ Barretta said, "We have built a strong relationship with Ma’aden Aluminium Company in the last eight years of working with them on their Ras Al Khair aluminium smelter."

Bechtel operates through five global business units which specialize in civil infrastructure; power generation, communications and transmission.

The company also operates in mining and metals, oil, gas and chemicals and government services.