Grupo Aeroportuario del Centro Norte SAB de CV (OMA) is a Mexico-based company engaged in the management, operation and development of airport facilities. The Company operates 13 airports, which are located in the metropolitan areas of Acapulco, Ciudad Juarez, Culiacan, Chihuahua, Durango, Mazatlan, Monterrey, Reynosa, San Luis Potosi, Tampico, Torreon, Zacatecas and Zihuatanejo. The Company is active in three segments: aeronautical services, comprising aircraft parking, cargo management, luggage handling and passenger services; non-aeronautical services, including lease of airport space for airlines, shops and restaurants, operations of NH Aeropuerto T2 Mexico hotel, parking, logistics services, and air cargo and real estate services; and construction services, such as building and improvement of terminals. The Company�s main shareholder is Aeroinvest SA de CV.