Grana y Montero is an engineering and construction company in Peru. Co. is using its capability in engineering and construction knowledge into complementary lines of business, such as the development, ownership, operation and maintenance of infrastructure assets (including the Lima Metro, Peru's urban railway system), real estate development, and the provision of technical services primarily to infrastructure-related assets. Co.'s operating segments are assessed by the activities of the following business units: (i) engineering and construction, (ii) infrastructure, and (iii) real estate.