Graña y Montero SAA is a holding company, which engages in the provision of engineering, management consulting, real estate, and corporate shares trading services. It operates through the following segments: Engineering and Construction, Infrastructure, Real Estate, Technical Services, and Parent Company Operation. The Engineering and Construction segment includes activities such as engineering, civil works, electro-mechanic construction, building construction, and contract mining. The Infrastructure segment provides operation and maintenance services for infrastructure assets. The Real Estate segment develops and sells homes targeted to low and middle income population sectors. The Technical Services segment offers information technology services, and electricity networks services. The Parent Company Operation segment corresponds to the services which the holding company provides, management, logistics, and accounting services. The company was founded by Alejandro Graña Garland, Carlos Montero Bernales, and Carlos Graña Elizalde on June 22, 1933 and is headquartered in Lima, Peru.