South Africa continues as a global leader within the mining industry. Total reserves remain some of the world's most valuable mineral resources with an estimated worth of $2.5 trillion USD. Overall, the country is estimated to have the world's fifth-largest mining sector. Steel Services & Allied Industries are a major powerhouse within South Africa's mining industry. See how they completed labor intensive headgear structures – a symbol of South Africa mining and a steel structure constructed to facilitate the transfer of men, material and rock from underground.