Empresas ICA, S.A.B. de C.V. (ICA) is a holding company. Through its subsidiaries, the Company is engaged in engineering, procurement and construction company. The Company is engaged in a range of construction and related activities, including the construction of infrastructure facilities, as well as industrial, urban and housing construction, for both the Mexican public and private sectors. In addition, it is engaged in the development and marketing of real estate, the construction, maintenance and operation of airports, highways, bridges and tunnels and in the management and operation of water supply systems and solid waste disposal systems under concessions granted by governmental authorities. ICA operates in six segments: Civil Construction, Industrial Construction, Housing, Airports, Concessions, and Corporate and Other. Through its subsidiaries and affiliates, the Company also manages and operates airports and municipal services under concession arrangements.