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Hecla Mining Co produces and explores silver, gold, zinc, and other metals. The operating business segments are Greens Creek, Lucky Friday, Keno Hill, and Casa Berardi. It generates maximum revenue from the Greens Creek segment. Geographically, It operates in Canada, the United States, and Mexico, and it derives a majority of its revenue from the United States.

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.