Altri SGPS SA engages in the production and commercialization of bleached paper pulp from eucalyptus. The firm also engages in the sector of renewable energy based on forest resources, namely industrial cogeneration from black liquor and biomass. It operates through the following segments: Pulp and Energy. The Pulp Segment Comprising three pulp mills in Portugal Celulose Beira Industrial (CELBI), S.A., in Figueira da Foz, Celtejo- Empresa de Celulose do Tejo, S.A., in Vila Velha de RÃ³dÃ£o and Caima â€“ IndÃºstria de Celulose, S.A., located in ConstÃ¢ncia. The Energy segment consisting of BioelÃ©trica da Foz, S.A. and its subsidiaries, comprising 5 power plants generating energy from forest biomass, for sale to the public grid. The company was founded in March 2005 and is headquartered in Porto, Portugal.