#4. Abdulsamad Rabiu
Abdulsamad Rabiu is the founder of BUA Group, a Nigerian conglomerate active in sugar refining, cement production, real estate, logistics and port operations. Rabiu is expanding cement production. In September 2015, BUA signed a $600 million deal with Sinoma International Engineering, a Chinese cement equipment and engineering service provider, to construct a second production line at its flagship Obu cement plant, located in Edo State in the western part of Nigeria.