Sonangol (Angola) – $14,711,363
The Angolan company is Africa’s third-biggest oil producer. It is mainly responsible for exploration, production, manufacturing, transportation and marketing of hydrocarbons. The company has over 30 subsidiaries, which basically work to help Sonangol reach its needs. These include telecommunication companies, railways, transport systems, and refinery facilities located across the world. Sonangol is also an important sponsor of the arts, sports and humanities in Angola and in Africa.