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Mueller Industries

American manufacturer of copper, brass, aluminum, plastic, piping, and climate-equipment products.

Last updated August 22, 2026

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Overview

Mueller Industries is an American manufacturing company focused on piping, industrial metals, and climate-related equipment. Founded in 1917, the company developed into a diversified producer of components used in plumbing, water distribution, heating, air-conditioning, refrigeration, construction, and industrial applications. Its product portfolio includes copper tubing, brass and aluminum products, plastic piping and fittings, valves, line sets, fabricated steel pipe nipples, and other components sold through distributors, wholesalers, building-material retailers, and specialized channels. The company is organized around three principal operating areas: Plumbing & Refrigeration, Industrial Metals, and Climate Equipment. Plumbing and refrigeration products serve residential, commercial, and industrial systems, including water supply, heating, cooling, refrigeration, and drainage, waste, and vent installations. The Industrial Metals activities cover copper, brass, and aluminum products used by manufacturers and other industrial customers. Climate Equipment products support heating, ventilation, air-conditioning, and refrigeration applications. Mueller Industries distributes products through sales offices, distribution centers, and independent agents. Its operating footprint extends beyond the United States to Canada, Mexico, China, South Korea, the United Kingdom, and markets in the Middle East. This geographic reach reflects the company’s role as a materials and components supplier rather than a consumer-facing finished-goods brand. The company is publicly traded under the ticker symbol MLI. Gregory L. Christopher became chief executive officer in 2009 and is identified in the referenced company material as the current CEO. Mueller Industries was included in the Fortune 1000 in 2022. The business is best understood as an industrial infrastructure and building-products manufacturer, with demand linked to construction, building maintenance, plumbing replacement, HVAC installation, refrigeration, and general manufacturing activity. Available reference material does not establish a separate consumer brand architecture, a controlling parent, or a named founder.

History

Mueller Industries was established in 1917 in the United States. The available reference material provides limited detail about the company’s early founders, initial facilities, and historical ownership structure, but identifies 1917 as the beginning of the business. Over time, Mueller Industries developed from a metal-products manufacturer into a diversified industrial company serving plumbing, refrigeration, climate equipment, and broader manufacturing markets. The company’s modern operating model is based on three broad areas: Plumbing & Refrigeration, Industrial Metals, and Climate Equipment. The Plumbing & Refrigeration business produces and distributes copper tube, plastic pipe, fittings, valves, line sets, steel pipe nipples, and related products. These products are used in water distribution, heating, air-conditioning, refrigeration, and drainage, waste, and vent systems. The company also resells selected imported plumbing products, including brass and plastic valves, malleable iron fittings, faucets, and specialty items, through channels serving plumbing wholesalers, building-material retailers, manufactured-housing distributors, and recreational-vehicle markets. The Industrial Metals segment extends the company’s activities into copper, brass, aluminum, and related materials used by industrial customers. These products support downstream manufacturing and construction applications where dimensional consistency, conductivity, corrosion resistance, and fabrication performance are important. Climate Equipment operations complement the piping and metals businesses by supplying components used in heating, ventilation, air-conditioning, and refrigeration systems. Mueller Industries expanded its commercial reach through sales offices, distribution centers, and a network of agents. Its operations and market coverage include the United States, Canada, Mexico, China, South Korea, the United Kingdom, and the Middle East. This international presence allows the company to serve both regional distribution networks and industrial customers across multiple construction and manufacturing markets. Gregory L. Christopher was appointed chief executive officer in 2009 and remains identified as the company’s CEO in the supplied reference. Mueller Industries was listed among the Fortune 1000 companies in 2022. It is publicly traded on the New York Stock Exchange under the symbol MLI. The available material does not document a specific founding individual, major acquisition chronology, named advertising campaigns, or a detailed sequence of leadership changes. Consequently, the company’s documented history is strongest on its founding date, present operating segments, geographic footprint, and product categories rather than on detailed corporate-development events.

  • 2022

    Included in the Fortune 1000

    [1]

    Mueller Industries was identified as a Fortune 1000 company in 2022.

  • 2009

    Gregory L. Christopher appointed chief executive

    [1]

    Gregory L. Christopher became chief executive officer, according to the supplied company reference.

  • 1917

    Company founded

    [1]

    Mueller Industries was established in the United States and began the corporate history that later developed into a diversified manufacturer of metal, piping, and climate-related products.

Products and positioning

A diversified industrial supplier of metal, plastic, plumbing, refrigeration, and climate-equipment components for construction, building systems, and manufacturing customers.

  • Plumbing and refrigeration

    Copper tubes

    Mueller Industries manufactures copper tubing in straight lengths and coils. These products are used in water distribution, heating, air-conditioning, refrigeration, and other building-system applications. Copper tube is a core offering because of its established use in fluid conveyance, thermal systems, and plumbing installations.

  • Plumbing and refrigeration components

    Fittings, valves, and line sets

    The company supplies copper and plastic fittings, valves, refrigeration line sets, and related components. These products connect, control, or route fluids and refrigerants in residential, commercial, and industrial systems. They are distributed through plumbing wholesalers, building-material retailers, and other specialized sales channels.

  • Plumbing systems

    Plastic pipe and plumbing products

    Mueller Industries offers plastic pipes and related plumbing products for water distribution and drainage, waste, and vent systems. Its broader plumbing range also includes imported brass and plastic valves, malleable iron fittings, faucets, and specialty products marketed to distribution and building-supply customers.

  • Industrial metals

    Industrial copper, brass, and aluminum products

    The Industrial Metals business manufactures and sells copper, brass, aluminum, and related metal products for industrial and manufacturing applications. Brass rods and other formed or processed metal products are part of the company’s industrial-materials offering, serving customers that incorporate metal components into downstream products.

  • HVAC and refrigeration equipment

    Climate equipment and components

    Mueller Industries operates a Climate Equipment business serving heating, ventilation, air-conditioning, and refrigeration markets. The available material does not identify individual product model names, but describes this area as part of the company’s wider portfolio of climate-system machinery and components.

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