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TETRA TECH AUSTRALIA PTY LTD DUDLEY SUPER FUND PTY LIMITED FORT WILLO PTY LIMITED CAYLAMAX RECYCLING PTY LTD MCKENZIE SEASCAPES PTY LTD ACN 112 444 470 PTY LTD FROESCHLE TIP TRUCK HIRE PTY LTD ESSENTIAL FINANCIAL MANAGEMENT PTY LTD BRAD PACE HOLDINGS PTY LTD OVERVIEW HOLDINGS PTY LTD TLA TECHNICAL PTY LTD BRZ FAMILY INVESTMENTS PTY LTD BY ELENI PTY LTD SION FINANCIAL PTY LTD AVARA NOMINEES PTY LTD PHOTO AVENUE PTY LTD FOXTIME HOLDINGS PTY LTD RICDANIC PROJECTS PTY LTD DC TRADING ENTERPRISE PTY LTD JACPAR PTY LTD