Managua center and a generator of services for the majority of the nation. The city, with a population exceeding one million inhabitants, houses many large national and international businesses. It is home to many factories which produce diverse products. Multinational companies such as Wal-Mart, Telefonica, Union Fenosa, and Parmalat have offices and operations in Managua. The city's chief products include beer, coffee, pharmaceuticals, textiles, shoes, matches, construction products, etc. Her main trading products are beef, coffee, cotton, and other crops. Managua is also Nicaragua's main political, social, cultural, educational and economic hub. At the same time, the city is served by
Managua 1927. A new sewer system and the redirecting of waste water to a new waste water treatment plant at Las Mercedes funded by the German government to decontaminate the lake is expected to be the largest in Central America and was inaugurated in 2009. Managua's city area extends about , essentially south from the south shore of Lake Managua. The lakeshore is at an altitude of above sea level, and the city climbs as it gets towards the Sierras de Managua further south where it is over above sea level. Geologically, the city lies on fault lines, thus seismologists predict