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Umicore is a global materials technology and recycling group based in Brussels, Belgium. The company operates within several key industries, focusing on catalysis, energy and surface technologies, and recycling. Umicore is known for its production of emission control catalysts, materials for rechargeable batteries, and precious metals recycling services. Historically, Umicore has evolved from a mining and smelting company to a leader in sustainable technology with an emphasis on clean mobility and recycling solutions. The company's strategic positioning is strengthened by its commitment to reducing emissions and promoting a circular economy, setting it apart within its 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.