Altri is a Portuguese

Portugal

Portugal , officially the Portuguese Republic is a country situated in southwestern Europe on the Iberian Peninsula. Portugal is the westernmost country of Europe, and is bordered by the Atlantic Ocean to the West and South and by Spain to the North and East. The Atlantic archipelagos of the...

 industrial conglomerate

Conglomerate (company)

A conglomerate is a combination of two or more corporations engaged in entirely different businesses that fall under one corporate structure , usually involving a parent company and several subsidiaries. Often, a conglomerate is a multi-industry company...

 headquartered in Porto

Porto

Porto , also known as Oporto in English, is the second largest city in Portugal and one of the major urban areas in the Iberian Peninsula. Its administrative limits include a population of 237,559 inhabitants distributed within 15 civil parishes...

. The group's main companies operate in wood pulp

Wood pulp

Pulp is a lignocellulosic fibrous material prepared by chemically or mechanically separating cellulose fibres from wood, fibre crops or waste paper. Wood pulp is the most common raw material in papermaking.-History:...

 production, cultivation of forest

Forest

A forest, also referred to as a wood or the woods, is an area with a high density of trees. As with cities, depending where you are in the world, what is considered a forest may vary significantly in size and have various classification according to how and what of the forest is composed...

s for the timber

Timber

Timber may refer to:* Timber, a term common in the United Kingdom and Australia for wood materials * Timber, Oregon, an unincorporated community in the U.S...

 and paper industry and co-generation of energy

Energy

In physics, energy is an indirectly observed quantity. It is often understood as the ability a physical system has to do work on other physical systems...

, including energy production from renewable resources. Prior to 2008 the group also operated in the steelworks industry.

Altri's holding company is Altri SGPS, SA., which is listed on the Euronext Lisbon

Euronext Lisbon

Euronext Lisbon is a stock exchange in Lisbon, Portugal. It belongs to the NYSE Euronext group, the first global stock exchange.Euronext Lisbon trades equities, public and private bonds, participation bonds, warrants, corporate warrants, investment trust units, and exchange traded funds...

 stock exchange

Stock exchange

A stock exchange is an entity that provides services for stock brokers and traders to trade stocks, bonds, and other securities. Stock exchanges also provide facilities for issue and redemption of securities and other financial instruments, and capital events including the payment of income and...

. Its major subsidiaries are Celulose do Caima (paper industry) and Celbi (paper industry). Altri's F. Ramada subsidiary, which produced steel and storage systems such as cold rolled

Rolling (metalworking)

In metalworking, rolling is a metal forming process in which metal stock is passed through a pair of rolls. Rolling is classified according to the temperature of the metal rolled. If the temperature of the metal is above its recrystallization temperature, then the process is termed as hot rolling...

 steel sheets and strips, machinery, tools and other related products, was spun off

Spin out

A spin-out, also known as a spin-off or a starburst, refers to a type of corporate action where a company "splits off" sections of itself as a separate business....

 on the stock exchange in 2008. Altri was itself born from a spin-out of the industrial assets of the Cofina

Cofina

Cofina is a Portuguese media conglomerate. It is the owner of Correio da Manhã and Record newspapers, among other leading media, like several magazine publications....

group in March 2005.