Zoutpansberg
Zeerust - Mafeking
Wolhuter Gold Mines, Ltd.
Witwatersrand Gold Mining Co., Ltd.
Willoughby's Consolidated Co., Ltd.
Western Reefs Exp. & Dev. Co., Ltd., Anglo-American, Etc
West Rand Extensions, Ltd.
West Rand Dev. and Exp. Ltd. - Potchefstroom
Wankie Colliery Ltd. (Co.)
Ventersdorp