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C.A.S.T. INVESTMENTS PTY LTD SUB INVESTMENTS PTY. LTD. SMITHIES CARPENTRY PTY LTD PATSEL PTY. LIMITED AJF PARTNERSHIP PTY LTD THE VINES ESTATE PTY LTD BAYPORT PLANT HIRE PTY LTD BELMERE INVESTMENTS PTY LTD PROTEC AUSTRALIA PTY LIMITED CROESER PTY LTD POSTLETHWAITE FARM PTY LTD GAVPHARM PTY LTD ZML HOLDINGS PTY LTD CLEARATAX PTY LTD EAST COAST STEEL FABRICATION PTY LTD NATHAN FAMILY INVESTMENTS PTY. LTD. PRAMSKINS PTY LTD EKNOWHOW ACCOUNTING PTY LTD PETER J. RICHARDS PTY. LTD. APEA NOMINEES PTY LTD