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PENSON HOLDINGS PTY. LIMITED PENSON (MANAGEMENT) PTY. LIMITED RATHCOWN PTY. LIMITED RIPPON LEA PTY. LIMITED R.B. (CANBERRA) PTY. LIMITED G.E.M.F.W. HOLDINGS PTY. LIMITED D.R. MACKIE PTY. LIMITED A.P. FACILITIES PTY. LIMITED ANDROSS PTY. LIMITED DUNSFOLD PTY. LIMITED K.F. SHATZMAN INVESTMENTS PTY. LTD. G. LOUIS HOLDINGS PTY. LIMITED CANBERRA SAND & GRAVEL PTY. LIMITED THE NIELSEN COMPANY (AUSTRALIA) PTY LTD KOORONG PTY. LIMITED BILGOLA PTY. LIMITED ALLINA PTY. LIMITED P.M.C. INVESTMENTS PTY. LIMITED HANEW PTY. LIMITED WHAN PTY. LIMITED