Donaldson and Carliss
Central South African Land and Minepal Mines
South African Minerals Ltd.
Northern Transvaal Lands Co., Ltd.
The British and African M. and Gen. Finance Corp. Ltd.
African Explosives and Industries Ltd.
Rand Carbide Ltd.
New Transvaal Chemical Co., Ltd.
Cape Portland Cement Co.
Welman Smith Owen Eng. Corp. Ltd. (S.A. Pty.)
