SDI Limited is primarily involved in the research and development, manufacturing and marketing of specialist dental restorative materials. SDI's products are a combination of innovation and excellence to provide the ideal restorative materials for the dental profession.

Founded in 1972, SDI is fast becoming a world leader in specialist dental restorative materials. In 1985, SDI was publicly listed on the Australian Stock Exchange.

All of SDI's products are manufactured in Victoria, a state in the south east region of Australia. SDI's products are distributed through distributors and retailers in over 100 countries throughout the world. SDI has offices and warehouses in Chicago, USA; Cologne, Germany; Dublin, Ireland and Sao Paulo, Brazil.