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Altri SGPS S.A., established in 2005 and headquartered in Porto, Portugal, specializes in the production and sale of cellulosic fibers, primarily eucalyptus pulp, for applications in printing, writing, and textiles. The company manages eucalyptus forests across Portugal, ensuring a sustainable supply chain for its pulp production. Additionally, Altri engages in the generation of renewable energy through biomass and industrial cogeneration processes. Its operations are concentrated within Portugal, with products distributed both domestically and internationally. Altri's strategic focus on sustainability and vertical integration in forest management and energy production supports its position in the pulp and paper industry.

Linde is the largest industrial gas supplier in the world, with operations in over 100 countries. The firm's main products are atmospheric gases (including oxygen, nitrogen, and argon) and process gases (including hydrogen, carbon dioxide, and helium), as well as equipment used in industrial gas production. Linde serves a wide variety of end markets, including chemicals, manufacturing, healthcare, and steelmaking. Linde generated approximately $34 billion in revenue in 2025.