El Sewedy Electric is a leading multinational cable and electrical equipment manufacturer.
The sale is a strategic move to refocus the company on its core operations.
The rebranding efforts follow the passing of Ghabbour.
Oppenheimer has seen his net worth soar from $8.03 billion at the start of the year to $8.23 billion.
Beyonce is one of the richest Black women in the world.
Kola Aina is a key player in the African venture capital space.
Fokam is one of Africa's richest men, according to Forbes Afrique.
Sawiris also owns a $135-million stake in English club Aston Villa.
Mbaru owns a 7.72-percent stake in Britam Holdings.
As many as 45,000 households and businesses will be connected to the power grid.