12 Most Famous Monopolies Of All Time

6. De Beers

De Beers is one of the most controversial companies among the biggest monopolies of all time, which is saying something. The company is 133 years old and has operations in 35 countries regarding everything related to diamonds including its mining, retail, trading, exploration and manufacturing. It has mines in South Africa, Namibia, Botswana, Canada and Australia, and has controlled close to 85% of the total diamond trade globally from inception till the start of the 21st, making it a through and through monopoly. While competition has broken the iron grip of the company, its power still remains with 30% of the market share.

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Disclosure: No position. 12 most famous monopolies of all time is originally published at Insider Monkey