This report will also discuss about market structure in which mining industry is operated along with some statistics of market leaders in Australia mining industry. An overview of a mining company BHP Billiton BHP Billiton is the world's largest resource and mining company which is operated in almost 25 countries with 100,000 employees [2]. Employment – According to statistics of 2017, the number of employees hired by BHP Billiton was almost 15,906 employees from Australia, 6,361 employees from South America and 2,786 from North America