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THE AUSTRALIAN GAS ASSOCIATION PRACTOR INVESTMENTS PTY. LTD. MCNEIL & NRM PTY. LIMITED J.O. BERKEFELD PTY. LIMITED WATGANIA INVESTMENTS PROPRIETARY LIMITED JAMES ENGINEERING SERVICES PTY. LTD. L. TRIPODI INVESTMENTS PTY. LTD. SEA LAKE SALT PROPRIETARY LIMITED QUALITY BAKERS AUSTRALIA PTY LIMITED BIRSE CONTRACTORS PTY. LTD. TRABILSIE NOMINEES PTY. LTD. J.H. FARRER & COMPANY PROPRIETARY LIMITED MAITLAND BUILDING CO. PTY. LTD. CLEVERBOOKS PTY LTD D.M.R. HOLDINGS PTY. LTD. O.Z. INVESTMENTS PTY. LTD. ZAMORAN EXPLORATIONS PTY. LIMITED W. G. HARRISON (MIRANDA) PTY LTD NELSON PROPERTIES PTY. LTD. GUNGARTAN INVESTMENTS PTY. LIMITED