AMSC vs MLI

American Superconductor Corporation

American Superconductor Corporation, together with its subsidiaries, provides megawatt-scale power resiliency solutions worldwide. The company operates in two segments, Grid and Wind. The Grid segment offers products and services that enable electric utilities, industrial facilities, and renewable energy project developers to connect, transmit, and distribute power under the Gridtec Solutions brand; and engineering planning services. It provides transmission planning services, which identify power grid congestion, poor power quality, and other risks; grid interconnection solutions for wind farms and solar power plants, power quality systems, and transmission and distribution cable systems; resilient electric grid systems, which provide protection against the adverse effects that follow the loss of critical substation facilities in urban areas; D-VAR systems used for controlling power flow and voltage in the AC transmission system; actiVAR system, a fast-switching medium-voltage reactive compensation solution; armorVAR system installed for reactive compensation, power factor correction, loss reduction, utility bill savings, and mitigation of common power quality concerns related to power converter-based generation and load devices; and D-VAR volt var optimization (VVO) that serves the distribution power grid market. This segment also offers ship protection systems, which reduce a naval ship's magnetic signature; and in board power delivery systems, power generation systems, and propulsion systems. The Wind segment designs wind turbine systems and licenses these designs to third parties under the Windtec Solutions brand. It supplies power electronics and software-based control systems, and provides customer support services to wind turbine manufacturers. This segment's design portfolio comprises a range of drivetrains and power ratings of 2 MW and higher. American Superconductor Corporation was incorporated in 1987 and is headquartered in Ayer, Massachusetts.

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.