OHL México S.A.B. de C.V., a subsidiary of OHL Concesiones, in turn part of Spanish construction group Obrascón Huarte Laín S.A. (OHL), is a Mexican construction company and concessionaire engaged in the design, construction, and operation of highways and airports. Its presence in the country extends to the states of Mexico, Puebla, Veracruz and Tlaxcala, as well as to the federal district of Mexico City. OHL México operates seven concessioned highways totaling 413km, and holds a 49% stake in the concessionaire for Mexico state's Toluca international airport. The company holds varying stakes in the seven highways: Atizapán-Atlacomulco (100%), Viaducto Bicentenario (100%), Urbana Norte (100%), Amozoc-Perote (69%), Circuito Exterior Mexiquense (51%), Libramiento Elevado de Puebla (51%) and Supervía Poetas (50%). Formerly OHL Concesiones México, the company first entered the local concessions market in 2002 and is based in Mexico City.