Dawid B. Mostert

Dorbyl Ltd. engages in the manufacture and market of spheriodal graphite and grey iron castings. It manufactures spheriodal graphite and grey iron castings for automotive, mining, overhead line manufacturers, rail, energy, pumps and valves and general engineering businesses. The company is headquartered in Benoni, South Africa.

Winhold Ltd. operates as an investment holding company. The firm engages in the provision of supplies capital and consumer goods to the mining, petrochemical and general industries, manufactures and distributes polyethylene bags, sheeting and packaging. The company was founded on September 29, 1945 and is headquartered in Germiston, South Africa.

Inmins Ltd. supplies conveyor beltings, hoses and fittings, pipes and fittings, valves and idlers. It offers products for mining and industrial supplies division. The products it provides for mining supplies division are valves, pipes, fittings, hoses, pumps, fencing, packing and jointing, and lifting equipment. For industrial supplies division it offers hoses, fittings, pumps, hose reels, steel, paint, gates, and welding equipment. The company was founded in 1996 and is headquartered in Germiston, South Africa.

Eskom Enterprises Pty Ltd. develops, operates and maintains infrastructure in the energy and water supply sectors. It provides contracted research and development, utility management, project management and consulting services. The company was founded in 2000 and is headquartered in Johannesburg, South Africa.

African Brick Centre Ltd. manufactures and supplies clay semi-face bricks. It manufactures a unique-colored semi face bricks, semi face gem bricks and stock bricks. The company was founded in 1945 and is headquartered in Krugersdorp, South Africa.