the U.S. and the abundance of inexpensive labor make it an efficient location for foreign companies to have manufacturing and assembly operations. Some of the companies that have established maquiladoras in Nogales include: Otis Elevator, The Chamberlain Group, Walbro, and Philips Avent. Production and export Approximately 92 establishments produce foreign exports. Sixty-five of these establishments are located in seven industrial parks, which employ approximately 25,400 workers, around 50 percent of the total employed population of the municipality. Also important to the economy is livestock for both foreign export and cattle breeding. See also City of Nogales, Sonora Municipalities of Sonora References Link to tables of population data from Census of 2005 INEGI: Instituto Nacional de Estadística, Geografía e Informática External links Nogales, Ayuntamiento Digital (Official Website of Nogales, Sonora) Everything you want to know about Nogales - Bilingual Municipalities of Sonora