In 2006, Doosan acquired the boiler engineering company Mitsui Babcock UK (renamed Doosan Babcock) and Kvaerner IMGB, the largest casting and forging company in Romania. In 2007, Doosan acquired the construction machinery company Bobcat USA, the world's largest supplier of small construction equipment. Post acquisition of Bobcat USA into Doosan Infracore, one of the Doosan Group's subsidiary companies specializing in medium and large construction machinery, the Doosan Group became the world's seventh largest supplier of construction machinery. Doosan currently has 41,400 employees in 38 countries.