A.S. Joffe & Co.
ACHBER K
Aurecon
AVENG
Aveng Grinaker-LTA
BAM
BARROW John
BLUMANN H
Christiani and Nielsen SA
COLLISON B
Concor
CULLINAN Thomas
DOUGLAS Thomas
Farquharson Construction
FORBES R
Grinaker-LTA
Group 5
H. Berryman & Son
Harper Bros Contractors
HURD C B
Impala Bouers
J. Adams & Co.
John Abbott & Company
Lownder & Son
LTA Construction Limited
MEISCHKE Mattheus
Mota-Engil Construction South Africa
Murray & Roberts
Nicholls & Alderson
Not applicable
Reid & Knuckey
SCHINDLER H
SCOTT Robert William
SCOTT T. F.
Smit Family
Sparrow Bros Building Contractor
Stefanutti Stocks
TAYLOR Arthur
Tiber
Trencon
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Unknown
WALLOCOTT George
WBHO
