MLI vs NPO

Mueller Industries Inc.

Mueller Industries, Inc. manufactures and sells copper, brass, aluminum, and plastic products in the United States, the United Kingdom, Canada, South Korea, the Middle East, China, and Mexico. The company's Piping Systems segment offers copper tubes, fittings, line sets, and pipe nipples; PEX plumbing and radiant systems; and plumbing-related fittings and plastic injection tooling. It also resells steel pipes, brass and plastic plumbing valves, malleable iron fittings and faucets, and plumbing specialties; and supplies water tubes. This segment sells its products to wholesalers in the plumbing and refrigeration markets, distributors to the manufactured housing and recreational vehicle industries, building material retailers, and air-conditioning original equipment manufacturers (OEMs). The company's Industrial Metals segment manufactures brass, bronze, and copper alloy rods; copper bar and alloy shapes; plumbing brass, valves, and fittings; cold-form aluminum and copper products; machining of aluminum, steel, brass, and cast iron impacts and castings; brass and aluminum forgings; brass, aluminum, and stainless-steel valves; fluid control solutions; and gas train assembles to OEMs in the industrial, construction, HVAC, plumbing, and refrigeration markets. Its Climate segment offers valves, protection devices, brass fittings, and tubular assemblies and fabrications for various OEMs in the commercial HVAC and refrigeration markets; high-pressure components and accessories for the air-conditioning and refrigeration markets; coaxial heat exchangers and twisted tubes for the HVAC, geothermal, refrigeration, swimming pool heat pump, marine, ice machine, commercial boiler, and heat reclamation markets; insulated HVAC flexible duct systems; and brazed manifolds, headers, and distributor assemblies. The company was founded in 1917 and is headquartered in Collierville, Tennessee.

Enpro Inc.

EnPro Industries, Inc. engages in the design, development, manufacture, marketing, and service of engineered industrial products worldwide. It operates through three segments: Sealing Technologies, Advanced Surface Technologies, and Engineered Materials. The Sealing Technologies segment offers single-use hygienic seals, tubing, components and assemblies; metallic, non-metallic, and composite material gaskets; compression packing products; hydraulic components; expansion joints; pipeline casing spacers/isolators; and dynamic, flange, resilient metal, elastomeric, and custom-engineered mechanical seals for chemical and petrochemical processing, pulp and paper processing, power generation, food and pharmaceutical processing, primary metal manufacturing, mining, water and waste treatment, heavy-duty trucking, aerospace, medical, filtration, and semiconductor fabrication industries. This segment also provides aseptic fluid transfer products for the pharmaceutical and biopharmaceutical industries. The Advanced Surface Technologies segment offers cleaning, coating, testing, refurbishment, and verification services for critical components and assemblies used in semiconductor manufacturing equipment, as well as for critical applications in the space, aerospace, and defense markets; and specialized optical filters and thin-film coatings for various applications in the industrial technology, life sciences, and semiconductor markets. The Engineered Materials segment provides self-lubricating, non-rolling, metal polymer, engineered plastics, and fiber reinforced composite bearing products; and precision engineered components and lubrication systems for reciprocating compressors. This segment's products has applications in the automotive, pharmaceutical, pulp and paper, natural gas, health, power generation, machine tools, air treatment, refining, petrochemical, and general industrial markets. The company was incorporated in 2002 and is headquartered in Charlotte, North Carolina.