Established in 2006, DDH1 provides drilling services to the Australian mineral exploration and mining industry.
In June 2017, Oaktree Capital - an investment manager specialising in alternative assets - acquired an equity stake in DDH1.
In June 2018, DDH1 acquired an equity stake in fellow contractor Strike Drilling.
The group comprised three complementary brands: DDH1 Drilling, Strike Drilling and Ranger Drilling. It operated a fleet of 96 modern and highly-specified mineral drilling rigs to support drilling programs throughout Australia.
DDH1 listed on the ASX on 9 March 2021. It was acquired by Perenti, and delisted from the ASX, in October 2023.