Imperatriz is the second most populated city in the Brazilian state of Maranhão. The city extends along the right bank of the Tocantins River and is crossed by the Belém-Brasília Highway, standing on the border with the state of Tocantins. Imperatriz is the largest commercial crossing point, energy and economic of the state of Maranhão, being the second largest populational, economical, political and cultural center development of Maranhão and has a strategic position not only useful to the state but also for the whole north of Brasil. Imperatriz is a cross between the production of soy of Balsas, in southern Maranhão, timber extraction on the border with Pará state, with steel produced and processed in Açailândia in and family farming in the rest of the state, with emphasis on rice production as well as future potential of power generation and pulp with the implementation of hydroelectric of Estreito, hydroelectric of Serra Quebrada and the Suzano Pulp and Paper factory. Besides these capabilities, we can also realize intense extractive activity, mainly in the reserve of Ciriaco, neighbor region to the municipality of Imperatriz. To provide logistical support to all these activities, Imperatriz takes stance of local capital, because yours through Complex wholesaler and retailer, production of the south of Maranhao, north of Tocantins and east of Pará is transported and exported. For both Empress has the Belém-Brasília highway, one of the largest rivers of the Brasil, the Tocantins River and the North-South and the Carajás railroad. In addition, by Imperatriz pass the main lines of electricity transmission Maranhao and other states. Today, by virtue of his great performance in the sectors of trade and services, Imperatriz holds the position of second largest economic center, political, cultural and populational of the state and the main region that binds the southwest of Maranhão, northern of Tocantins and the southern of Pará. The history and development of the Imperatriz gave him several titles including the "Gateway of the Amazon - Capital of Energy."