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TOP 500 COMPANIES IN AFRICA - The Africa Report Search our interactive ranking. Each year, The Africa Report chronicles the fortunes of the top 500 companies in Africa's key business sectors. These rankings, which were published in February 2012, are based on firms' 2010 performance, point to some of the important longer-term changes affecting African economies. Mining | Marsh The global mining industry faces many challenges: softer commodity markets, cost-management challenges, access to financing, and increasing expectations around social, economic, and environmental engagement with host communities and regulators. Engineering - Mineral & Mining | Top Universities Although Colorado School of Mines has retained its place as the best university for studying mineral & mining engineering, there's plenty of change below them in the top 10. Only Curtin University (second) and Queen's University (sixth) are the other non-movers.    Read More