South African Securities Ltd (Dr. Hans Marensky's Co.)
Transvaal Con. Land and Exploration Co., Ltd.
Becker Trust
Anglo-Transvaal Con. Inv. Co., Ltd.
Anglo-Transvaal Con. Inv. Co., Ltd.
African Land and Investment Co., Ltd.
South African Townships
Donaldson and Carliss
Central South African Land and Minepal Mines
South African Minerals Ltd.
Northern Transvaal Lands Co., Ltd.