Borusan Group and Salzgitter Mannesmann GMBH merged their welded steel pipe investments in Turkey under Borusan Mannesmann Boru Yatırım Holding A.Ş. in 1998. The Company holds 73.48% of the shares in Borusan Mannesmann Boru San. ve Tic. A.Ş.
Borusan Mannesmann Boru Yatırım Holding has an investment amount of USD 136.6 million in the last 5 years, including USD 44.6 million in 2019.