Sandvik, a Swedish multinational engineering company, completed the acquisition of DSI Underground, a provider of ground support and reinforcement products, systems and solutions for the underground mining and tunneling industries, from Emmerick and Triton for €943m ($1.1bn). "This acquisition is an important step in our growth ambition. DSI Underground's track record of driving progress and safety in underground operations and its global reach will further strengthen our world-leading market position within mining and rock solutions," Stefan Widing, Sandvik President and CEO.