Company Description:

DSI was incorporated in the United States in 1969. DYWIDAG, originally founded 1865, was a three-billion-dollar heavy construction company, headquartered in Germany. Today, DSI a globally leading system supplier of innovative technologies for Construction and Underground is owned by a private equity company. DSI’s North American Construction headquarters has been in Bolingbrook, Illinois since 1989. DSI Underground manufactures roof support and other products for the mining and tunneling industries.