Philipp Holzmann AG provides construction and engineering services worldwide. The Company plans and constructs public and private infrastructure projects including roads, railways, tunnels, utility facilities, bridges, and power plants. Philipp Holzmann AG also builds hotels, industrial buildings, and residential housing, and offers project management services. It has operations in Germany, other parts of Europe, America, Asia, Africa, and Australia. The company was founded in 1850 and is based in Frankfurt am Main, Germany.