Michael Teke

BHP Billiton Energy Coal South Africa Ltd. explores and mines coal. It owns and operates collieries in the Mpumalanga and KwaZulu Natal provinces in South Africa. The company was founded in 1994 and is located in Marshalltown, South Africa

Tellumat (Pty) Ltd. provides technology products, custom solutions, and services in telecommunications, defense, transport, and energy industries. It services offers air traffic management, integrated solutions, defense and security, calibration, electronic manufacturing, and environmental testing. The company was founded in 1963 and is headquartered in Retreat, South Africa.

Rolfes Holdings Ltd. engages in the manufacture and distribution of chemical and organic products. It operates through following segments: Agriculture, Food, Chemicals, Color, Water, and Other. The Agriculture segment manufactures and distributes products that include herbicides, insecticides, fungicides, adjustments, foliar feeds, enriched compost pellets, and soluble fertilizers. The Food segment imports and distributes chemicals used in the food, beverage, bakery, dairy, pharmaceutical, and cosmetics industries. The Chemicals segment distributes alkyd resins, additives, leather chemicals products and solutions, solvents, lacquer thinners, surfactants, cleaning solvents, creosotes, waxes, and other industrial chemicals. The Water segment manufactures and distributes various organic and inorganic pigments, additives, in-plant, and point-of-sale dispersions. The Other segment includes the letting of property, plant, and equipment as well as the head office functions. The company was founded in 1925 and is headquartered in Johannesburg, South Africa.

Richards Bay Coal Terminal Co. Ltd. engages in the export coal terminals. The company was founded in 1976 and is headquartered in KwaZulu Natal, South Africa.

ARB Holdings Ltd. is an investment holding company, which engages in the trading and distribution businesses. It operates through the following segments: Electrical, Lighting, and Corporate. The Electrical segment distributes electrical products such as power and instrumentation cabling, overhead line hardware and conductors, insulators, transformers, and general electrical contracting materials. The Lighting segment supplies energy saving LED and fluorescent lamps, light fittings, and electrical accessories. The Corporate segment includes property holding and specialist information technology hardware, software services, and support. The company was founded by Alan Ronald Burke in 1980 and is headquartered in Durban, South Africa.

eXtract Group Ltd. is a diversified and integrated leasing and capital equipment company, which engages in the provision of services to clients in the passenger and commercial vehicle market, industrial equipment, and mining sectors. The company was founded in 2000 and is headquartered in Johannesburg, South Africa.

Optimum Coal Holdings Ltd. explores, produces and markets low sulphur thermal coal. It owns and operates Optimum Coal Mine and Koornfontein Mines. The Optimum Coal Mine is an opencast and underground coal mining complex comprising the Kwagga, Pullenshope, Eikeboom, and Boschmanspoort mines. The Koornfontein Mines is located in the Mpumalanga province of South Africa and supplies coal for power generation. The company was incorporated on March 05, 2006 and is headquartered in Johannesburg, South Africa.