Founded in Brisbane by John Sedgman who continued to lead the organisation until his death in 1991. Sedgman remained privately owned until listed on the ASX in 2006.
Sedgman expanded to undertake its first international projects in East Senakin CHPP in Indonesia and Petangis also in Indonesia.
At the Blair Athol coal site, Sedgman began the successful operations arm of the business.
Sedgman joined forces with Thiess for the first time with award winning Hail Creek Coal project for Rio Tinto.
Sedgman opened the Chile office in Santiago.
Expanded into the metalliferous sector with the acquisition of Pac-Rim.
Sedgman acquired Intermet Engineering.
The South Africa office opened in Johannesburg.
The China procurement hub opened in Shanghai and the Canada office opened in Vancouver.
CIMIC acquired Sedgman.
Sedgman celebrates 40 years since its foundation by John Sedgman.