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ARTMARN PTY LTD FULL POTENTIAL CORPORATION PTY. LTD. SIMTAC PTY. LIMITED TRESAIRE PTY. LIMITED TRESWHITE PTY. LIMITED TRESSTAR PTY. LIMITED AUSTRALIAN GEMSTONE MINING PTY LTD TRESMONAY PTY. LIMITED TRESVALE PTY. LIMITED ANIMATO PTY. LTD. MUSGRAVE FAMILY HOLDINGS PTY. LTD. GREMFIELD PTY. LTD. SCAPEVINE PTY. LIMITED K.P. & P.C.H. PTY LTD BIOSTREAM PTY. LIMITED R.E.M. MEDICAL PTY LTD JALEKA PTY. LTD. ADAPT AIR CONDITIONING PTY LTD DSB INVESTMENTS (AUST) PTY LIMITED DSB GROUP PTY LIMITED