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J.R. BURKE MEDICAL PTY. LTD. GROUNDSWELL DEVELOPMENTS PTY LTD APEX QUEENSLAND YOUTH CAMPS LIMITED ALPETROS (NO 29) PTY LTD ASSOCIATED PROJECTS PTY LTD TIMWIN PTY. LTD. TIMKI PTY. LTD. PERTEX PTY. LTD. OXWOOD PTY. LTD. MAZDON PTY. LTD. LONTEL PTY. LTD. B.C.R. HOLDINGS PTY. LTD. LEWTEX PTY. LTD. DAVID O'BRIEN PTY LTD CENCRAY PTY. LTD. BURCO PTY. LTD. BARDEX PTY. LTD BARCOURT PTY. LTD. ARVIEW PTY. LTD. ACETEX PTY. LTD.