Aenza S.A.A., together with its subsidiaries, engages in the Infrastructure, Energy, Engineering and Construction, and Real Estate businesses in Peru, Chile, and Colombia. The company’s Infrastructure segment offers long-term concessions or similar contractual arrangements in Peru for toll roads, transportation, and water treatment, as well as operation and maintenance services for infrastructure assets. Its Engineering and Construction segment provides traditional engineering services, such as architectural planning, structural, civil, and design engineering for advanced specialties comprising process design, simulation, and environmental services. This segment also provides services related to civil works, which include construction of hydroelectric power stations and other large infrastructure facilities; electromechanic construction, such as concentrator plants, oil, and natural gas pipelines, and transmission lines; and building construction comprising office and residential buildings, hotels, affordable housing projects, shopping centers, and industrial facilities, as well as procurement services; maintains plants and industrial facilities; and rents construction equipment. It serves mining, power, oil and gas, transportation, real estate, and other infrastructure sectors. Its Energy segment engages in oil exploration, production, treatment, and trade of oil; and separation and trade of natural gas and its byproducts, as well as the construction and assembly of oil facilities and the storage and dispatch of fuel and oil by products. Its Real Estate segment develops and sells luxury properties, offices, and commercial spaces. The company was formerly known as Graña y Montero S.A.A. and changed its name to Aenza S.A.A. in November 2020. Aenza S.A.A. was founded in 1933 and is based in Lima, Peru.