Altri, SGPS, S.A. produces and sells cellulosic fibers and energy in Portugal and internationally. The company produces pulp products for various application including production of paper, tissue, and printing and writing papers; and dissolving pulp for use of textile production. It is also involved timber commercialization; forest management; production of forest-based renewable energy, such as industrial cogeneration from black liquor and biomass; real estate activities; and production of plants in nurseries, as well as the provision of services related with forests and landscapes. The company was incorporated in 2005 and is headquartered in Porto, Portugal.