Social stratification Data for 2010: Class Total Number of households consumed in the city The (per capita income above R $6,550.00 / month) 1441 households (4.5%) 18.9% B (per capita income between U.S. $2012.00 per month to R $6,549.00 / month) 11 313 households (35.1%) 49.1% C (per capita income between R $726.00 per month to R $2,011.00 / month) 14 853 households (46.1%) 27.5% D (per capita income between R $484.00 per month to R $276.00 / month) 4336 households (13.5%) 4.1% E (per capita income below R $276.00 / month) 230 households (0.7%) 0.4% 100% Total 32 623 households Sectors of the economy The economic sector of Poá has several activities: Industrial: After he received the title of office hidromineral, was prohibited the installation of polluting industries in the municipality, that in the 1970s, and those that existed have been given to move to a more rigid environmental legislation, to help preserve the groundwater in the city. The change resulted in the departure of some industries, but even so Poá houses large industries, among the nearly 200 installed on its territory. Highlights for the manufacturer of refractory Ibar (Brazilian Industry of Refractory items) which was installed in Poá five years before the emancipation of the municipality, the maker of electrical cables Inducabos, and the Brazilian subsidiary of the multinational Aunde, which produces automotive fabrics. Together, Ibar and Aunde occupy nearly half the area of Calmon Viana. The district that was formed between the two industries was renamed Vila Ibar. Shopping: The main shopping streets of the city are street March 26 and July 9 Avenue that are in the center, housing most of the banks and "anchor stores" of the city. There are other commercial corridors such as Lucas Nogueira Garcez Avenue and Avenida Getulio Vargas, among others. It is estimated that there are approximately 2,000 commercial premises. Services: It is the sector of the economy that is more present in the city. There are various tax incentive laws and among them, and that attracts companies of its kind, is to reduce the tax on services (ISS), which has much lower rate than in most towns. While its neighbor St. Paul (city that focuses more services company in Brazil), charge rate of 5% for most service activities, in Poá charge rate of 2%. are more than 20,000 service providers, among which we highlight the holding company of Banco