Implenia AG is a Switzerland-based holding company engaged in the engineering and construction industries. The Company diversifies its activities into three main segments: Real Estates; Infrastructure Construction and Industrial Construction. The Real Estate business segment focuses on General Contracting, project development, as well as covers all stages of the real estate lifecycle, from the planning and construction to operational optimization. The Infrastructure Construction business segment offers all the production activities required for road building, civil works, building construction, infrastructure projects and civil engineering, among others. The Industrial Construction business segment is diversified into tunneling, which is primarily engaged in realization of complex construction projects in Switzerland and abroad, and Prime Buildings International, which includes planning, project management and consulting for projects in the prime building sector abroad.