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Mueller Industries makes metal products like copper tubes and brass fittings, mostly for plumbing and cooling systems.
Mueller Industries is a metal shapes company. It takes copper, brass, and aluminum and turns them into the tubes, fittings, and valves that carry water, refrigerant, and gas through buildings and machines. Its main customers are plumbing and HVAC wholesalers, contractors, and original equipment makers who build air conditioners, refrigerators, and appliances. Think of it as the company that makes the straws and connectors of the industrial world — the invisible parts that make fluids and gases go where they need to go. Roughly two-thirds of revenue comes from piping and plumbing products, with the rest from industrial metals and climate-related parts.
The business is simple but powerful because of how it buys and sells. Mueller buys raw copper and other metals, manufactures them into finished parts, and sells mostly through distribution. It has a huge network of plants and distribution centers across the U.S., U.K., Canada, and Mexico, which lets it serve customers quickly and cheaply. The company has been around since 1917 but really became the modern Mueller in the 1980s and 1990s through a series of acquisitions that consolidated a fragmented industry. Because it is one of the largest buyers of copper scrap and refined copper, it has real scale advantages — it can make parts at lower cost than smaller rivals.
Mueller generates a lot of cash, and management has been shareholder-friendly with it. The company pays a small dividend, buys back stock, and has made bolt-on acquisitions to expand its product lines and geographic reach. Recent years have been strong because of high copper prices, robust construction activity, and demand for energy-efficient HVAC systems. The main risks are swings in copper prices and the health of the construction and housing markets, since those drive demand for its products. But with a strong balance sheet, low debt, and a leading position in a boring-but-essential industry, Mueller keeps chugging along.
Saved answer · last researched 11 Oct 2026