Construtora Adolpho Lindenberg SA is a Brazil-based company primarily active in the construction industry. The Company is engaged in the execution and management of civil construction works in general, as well as in the development of real estate properties. The Company operates in three segments of construction: residential, commercial and mixed-use. The Company's portfolio consists of apartment buildings, single-family housing and office buildings. As of December 31, 2011, the Companyâ€™s direct subsidiaries included Cal Construtora e Servicos da Mao de Obra Ltda, Lindenberg Sao Paulo Incorporadora Ltda and Adolpho Lindenberg Construtora Ltda.