Robert Neville Schroder

Shaft Sinkers Pty Ltd. provides shaft sinking, contract mining, and tunneling to underground excavations. It offers underground construction, tunnelling, consulting and draughting, engineering, procurement, and contract management services. The company was founded in 1961 and is headquartered in Sandton, South Africa.

Shaft Sinkers Holdings Plc operates as a diversified shaft sinking and underground excavation group. Its services include shaft sinking, engineering design, tunneling, large underground storage caverns, contract mining, and mine operations. The company was founded in 1961 and is headquartered in Douglas, Isle of Man.

Aquarius Platinum South Africa Pty Ltd. provides mining services for platinum group metals. The firm provides mining services for platinum, palladium, rhodium, iridium, ruthenium, and osmium. The company is headquartered in Gauteng, South Africa.

Aquarius Platinum Ltd. is a focused, independent platinum group metals producer. It has assets on two world renowned PGM-bearing deposits-the Bushveld Complex in South Africa and the Great Dyke in Zimbabwe. The company identifies, acquires and mines smaller-scale deposits, which have been overlooked by the major players. Its projects include Hoogland, Vygenhoek, Zondernaam and Chieftains Plain. The company was founded in 1995 and is headquartered in Perth, Australia.