apr 30, 2020 ghana is one of the leading producers of gold in africa and the seventh leading producer in the world. large commercial companies mine the majority of it using heavy machinery. but about 35 percent is extracted through small-scale mines, many of which operate informally or without a valid license.,top 10 mining companies in ghana 2021,aug 04, 2021 companies as newmont, gold fields, kinross gold, and anglogold are one of the largest employers of labour in the country. this article will discuss the top 10 mining companies in ghana. 1. gold fields tarkwa mine. this mine is considered to be the largest mine in ghana. in the year 2017, they recorded an annual output of 566,400 ounces of gold.