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SULPHURIC ACID SERVICES PTY LTD COXON BROTHERS PTY LIMITED ALEX DRUCE PTY LIMITED JEMELE PTY LTD JURISPORT PTY LTD BC AUS OPERATING COMPANY PTY LTD TRAFALGAR GREEN PTY LTD STORM TREE PTY. LTD. J & S BACKHOE HIRE PTY. LTD. N.V. IMPEX PTY. LTD. DEVICE HOLDINGS PTY. LTD. PARACHUTE INVESTMENTS PTY. LTD. SPECTRUM EYE PTY. LTD. CAPITUS PTY. LTD. GCK HOLDINGS PTY LTD AUSFUNK PTY LTD ACN 151 600 065 PTY LTD BLK VENTURES PTY LTD MAS TRANSPORT SERVICES PTY LTD CENTURY 21 TOP OF THE GULF (PORT AUGUSTA) PTY LTD