Founded in January of 1969, under the social reason of ESTACON - Estacas, Saneamento e Construções LTDA, headquartered in Belém - Pará, was devoted, at first, to services of surveys, foundations in general and sanitation works.           Starting from 1971, transformed in corporation of closed capital, ESTACON tried fast evolution in the social capital, what facilitated the amplification of its geographical area of performance and the corresponding expansion of the business. It was settled, then, offices in several states, besides the unit of Distrito Federal, as well as it was created associated companies, which act in another segments of the market.           Now, under the social reason of ESTACON Engenharia S. A., its importance in the market of the Engineering is undeniable and it is confirmed by its position in the ranking, representing among the 15 larger Companies of Weighed Construction of the Country.