agricultural region. Some of the big hi-tech companies settled here are leaders in their domains like Thales (Former Thomson-CSF, electronic systems for avionics and defence), Crouzet/Schneider (Automatic systems), SAGEM (former Alcatel space (Aerospatial systems)), Ascom Monetel (Automatic tax payment systems), etc. The Maison Pic is a world-renowned three Michelin star restaurant and hotel, established in 1889. Areas of economic activities The commercial area of the Couleures has approximately eighty public brands in the fields of equipment, the home, sport, and the individual. The two sectors of Briffaut (east and west), in east Valence, count 320 companies (200 on the sector of Briffaut East including an automotive hub combining various concessions and associated services; and 120 businesses of Briffaut West). The technoparks include one hundred companies. The plateau of Lautagne, located at the south of the city, brings together 40 technology companies with high added value. An extension of was scheduled the second half of 2008. The Auréats zone is the oldest industrial site in Valence, it covers and 180 companies (on the Valence side). The Cime activity centre, housed in the former premises of Tézier, gathers 86 service enterprises. The site is currently undergoing conversion work. Businesses and shops At the end of 2015, 8,183 establishments were installed on the commune of Valence: 71% in the tertiary trade, and 16% of establishments in public administration (school, health, etc.). Industry represents only 4% of establishments in the commune. 92% of its establishments employ less than 10 employees. Income and taxation of the population The declared taxable average net income was €19,609, in 2009. Only 46% of households were taxed the same year. Employment In 2017, 45,489 people had a job, of which 90.5% was salaried employment. The rate of unemployment in the city is 18.2%. Local culture and heritage Sites and monuments Many monuments of Valence are protected as historical monuments. Many of these monuments are in the quarter of . The best known of Valence's monuments to its notable inhabitants include those to Émile Augier the dramatist by the duchess of Uzès (1897), and to General Championnet. Vieux Valence Vieux Valence [Old Valence] is a quarter in the old city of Valence, based primarily around the and also including the lower town district. It is expected the 19th century so that the city's ramparts, replaced by boulevards in 1860. Valencia then grows in range around its ancient centre. In this