DD Security Solutions is a Melbourne based locksmith company which was established in 1996 and is proud to be a 100% Australian owned and operated business. We have been part of the changing pace of Australian business for over 20 years now. We have been an integral part of the nations hospital, retail, police station, residential project and other commercial, education and government sectors. 03 9300 8899 7 Kimpton way Altona Victoria 3018 Australia