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ROSS STEPHENS PTY LTD SEMA HOLDINGS PTY LIMITED ALGEO CONSTRUCTION GROUP PTY LTD RE PROJECTS PTY LTD SEMA INFRASTRUCTURE PTY LIMITED SEMA OPERATIONS PTY LIMITED STRONG SUPERANNUATION PTY LTD B. PURE AUSTRALIA PTY LTD THOMPSON FINANCE AND FUNDING PTY LTD EDWARDS GRAZING PTY LTD WM FINANCIAL SERVICES PTY LIMITED DJW INVEST PTY LTD THOMPSON CONSOLIDATED INVESTMENTS PTY LTD S G THOMPSON HOLDINGS PTY LTD MELBOURNE MACHINERY PTY LTD A E THOMPSON HOLDINGS PTY LTD R J THOMPSON HOLDINGS PTY LTD HR SPECTRUM PTY LTD MWM NOMINEES PTY LTD KYABRA SF PTY LTD