Semapa - Sociedade de Investimento e Gestão, SGPS, S.A., through its subsidiaries, produces and sells uncoated wood free (UWF) printing and writing paper. It operates through three segments: Pulp and Paper, Cement and Derivatives, and Environment. The company offers pulp and tissue paper; researches, develops, produces, and sells forestry and agricultural products; produces and sells bleached eucalyptus kraft pulp (BEKP), cork, and pinewood products; and produces and sells energy from thermal, natural gas, and biofuel sources. It is also involved in the production and sale of cement, ready-mixed concrete, aggregates, mortars, prefabricated concrete structures, hydraulic lime, and clinker products; and operation of quarries. In addition, the company offers environment related services comprising recovery and sale of animal by-products and food products containing animal origin substances for the production of fertilizers and animal feed; and oil products for the biodiesel market. It has operations in Portugal, other European countries, the United States, Africa, Asia, Oceania, and internationally. The company was incorporated in 1991 and is headquartered in Lisbon, Portugal.