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Mendes Junior

Brazilian heavy construction company active since 1953 in oil & gas, industrial, and infrastructure segments.

Last updated September 2, 2026

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Overview

Mendes Júnior is a Brazilian heavy construction company operating since 1953. It is active in the oil and gas, industrial, and infrastructure segments, with projects in Brazil and abroad. The company has built hydroelectric plants, buildings, airports, ports, platforms, subway systems, railways, highways, and bridges, including the Rio-Niterói bridge. It also executes projects for refineries, pipelines, platforms, steel and mining companies, and has delivered works in countries such as Mauritania, Algeria, Iraq, and China.

History

Mendes Júnior has been active in the heavy construction market since 1953. Over its history, it has built hydroelectric plants in Brazil (such as Furnas and Itaipu), Uruguay, and Bolivia; as well as buildings, airports, ports, platforms, subway systems, railways, highways, and bridges, including the Rio-Niterói bridge. The company also executes projects for refineries, pipelines, platforms, steel and mining companies, and has delivered important works in countries such as Mauritania, Algeria, Iraq, and China, where it supplied technology for the construction of the world's largest rock dam.

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