Mueller Industries (NYSE: MLI) is a industrial manufacturing company that produces and distributes copper products, brass fittings, and related piping systems. It makes money by manufacturing and selling copper tube, fittings, line sets, pipe nipples, and related plumbing and HVAC components on a transactional basis to construction, refrigeration, and industrial end markets. The Piping Systems segment includes the Domestic Piping Systems Group, Great Lakes Copper, European Operations, Trading Group, Jungwoo-Mueller, and Mueller Middle East WLL, reflecting a multinational manufacturing and distribution footprint. Key demand drivers are new housing starts, commercial construction, and repairs and remodeling activity, with additional exposure to transportation, automotive, and industrial applications. Copper tube is manufactured in sizes ranging from 1/8 inch to 8 1/8 inch diameter and sold in straight lengths and coils. The company describes itself as a market leader in the plumbing, air-conditioning, and refrigeration service tube markets in the U.S., per the 10-K filed 2026-02-25.
Copper tube (1/8 inch to 8 1/8 inch diameter, straight lengths and coils), copper fittings, line sets, pipe nipples, brass and plastic plumbing valves, malleable iron fittings, faucets, plumbing specialties, and resold steel pipe. End applications include plumbing, HVAC, refrigeration service, and water distribution.
Transactional manufacturing and distribution revenue from the sale of copper tube, brass fittings, line sets, pipe nipples, and related plumbing and HVAC products. Products are manufactured primarily in the U.S. and sold domestically and exported to international markets.
End markets include residential construction (single and multi-family housing), commercial construction, HVAC, refrigeration, plumbing, repairs and remodeling, transportation, automotive, and industrial applications. New housing starts and commercial construction are cited as important demand determinants per the 10-K filed 2026-02-25.
Primary manufacturing and sales in the U.S., with exports to international markets. Segment operations include Great Lakes Copper, European Operations, Jungwoo-Mueller (South Korea implied by entity name), and Mueller Middle East WLL, per the 10-K filed 2026-02-25.
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