---

ALA ENTERPRISES PTY LTD A R ADAMS PTY LTD DAVID MORAN PTY LTD DOUGLAS RUTHERFORD PTY LTD S P CONNOLLY PTY LTD SOUTHERN NUCLEAR IMAGING PTY LTD IVAN K SEETO PTY LTD IAN TAIT PTY LTD B WAGSTAFF & J BESTIC PTY LTD L J HARVEY PTY LTD P R SINHA PTY LTD JIM B SCOTT PTY LTD R E RAE PTY LTD PETER H J WONG PTY LIMITED DEFUJE PTY. LIMITED MARY RIDDINGTON PTY LTD FAGALE PTY LTD COFLINK PTY LTD TERRATECH PTY LTD BIANCO INVESTMENTS PTY LTD