Altri SGPS S.A. operates in the Pulp mills sector. Altri SGPS SA (Altri) is a Portugal-based holding company involved in the eucalyptus paper pulp production. It operates three pulp mills in Portugal, with an installed capacity of 800,000 tons per year. AS of December 31, 2010, Altri's three main subsidiaries were: Celbi - Celulose da Beira Industrial SA (Celbi), a producer of bleached eucalyptus kraft pulp; Celulose do Caima SGPS SA (Caima), a producer of totally chloride free bleached hardwood sulfite pulp; and Celtejo - Empresa de Celulose do Tejo SA (Celtejo), which also produces bleached eucalyptus kraft pulp. The Company is also involved in the renewable energy sector. It holds a 50% stake in EDP - Producao Bioelectrica SA, which is involved in the production of electric energy from biomass. Apart from the biomass, Altri also focuses on cogeneration, producing electrical power through the burning of wood components not suitable for pulp production - the black liquor. In our complete report available for purchase the company is compared to: Exacompta Clairefontaine S.A., Papeles Y Cartones de Europa SA and Powerflute Oyj.