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Ampco-Pittsburgh Corporation, together with its subsidiaries, engages in manufacture and sale of specialty metal products and customized equipment to commercial and industrial users worldwide. The company operates through Forged and Cast Engineered Products (FCEG); and Air and Liquid Processing (ALP) segments. The FCEG segment produces forged hardened steel rolls, cast rolls and, forged engineered products that are used in cold rolling mills by producers of steel, aluminum, and other metals; cast rolls for hot strip mills, medium/heavy section mills, roughing mills, and plate mills; and forged engineered products for narrow and wide strip and aluminum mills, back-up rolls for narrow strip mills, and leveling rolls and shafts. The ALP segment produces custom-engineered finned tube heat exchange coils and related heat transfer products for various industries, including OEM/commercial, nuclear power generation, and industrial manufacturing; custom-designed air handling systems for institutional, pharmaceutical, and general industrial building markets; and manufacture centrifugal pumps for the fossil fueled power generation, marine defense, and industrial refrigeration industries. Ampco-Pittsburgh Corporation was incorporated in 1929 and is headquartered in Carnegie, Pennsylvania.

Broadwind, Inc. manufactures and sells structures, equipment, and components for clean tech and other specialized applications primarily in the United States. It operates through three segments: Heavy Fabrications, Gearing, and Industrial Solutions. The Heavy Fabrications segment provides fabrications to various industrial markets. It offers steel towers and adapters primarily to wind turbine manufacturers. Its Gearing segment provides gearing, gearboxes, and precision machined components to a range of customers in diverse markets, including surface and underground mining, wind energy, steel, material handling, infrastructure, onshore and offshore oil and gas fracking and drilling, marine, and other industrial markets. This segment also offers heat treat services for aftermarket and original equipment manufacturer applications. The Industrial Solutions segment provides supply chain solutions for offering instrumentation and controls, valve assemblies, sensor devices, fuel system components, electrical junction boxes and wiring, energy storage services, and electromechanical devices; light fabrication, inventory management, and kitting and assembly services; packaging solutions; and supply chain solutions, light fabrication, inventory management, and kitting and assembly services for combined cycle natural gas turbine market. It sells its products to the energy, mining, and infrastructure sectors through its direct sales force and independent sales agents. The company was formerly known as Broadwind Energy, Inc. and changed its name to Broadwind, Inc. in May 2020. Broadwind, Inc. is headquartered in Cicero, Illinois.

Ebang International Holdings Inc., through its subsidiaries, engages in the research, design, and development of application-specific integrated circuit chips and manufacture of Bitcoin mining machines under the Ebit brand in Singapore, Hong Kong, Australia, the Bahamas, and internationally. It also provides mining machine hosting services; and engages in the development of proprietary cryptocurrency exchange platform. In addition, the company offers fiber-optic communication access devices, including multiprotocol label switching fiber-optic access network devices, multi-service access platform integrated business access devices, and wavelength-division multiplexing fiber-optic devices; and enterprise convergent terminal products, which consists gigabit passive optical network, Fiber to the Room products, passive optical network converged gateways, enterprise cloud gateway devices, industrial Internet of Things access devices, and business enterprise smart wireless access devices. It serves the blockchain and telecommunications industries. The company also operates a cross-border payment and foreign exchange platform. It sells its blockchain products directly, as well as through its website; and telecommunication products under the EBANG brand name primarily through supplier contracts. The company was incorporated in 2018 and is headquartered in Hangzhou, China.

Ideal Power Inc. focuses on the development and commercialization of its bidirectional bipolar junction TRANsistor solid-state switch technology. It also offers SymCool Power Module designed to meet low conduction loss needs of the solid-state circuit breaker market. The company serves electric and hybrid electric vehicles, electric vehicle charging, renewable energy and energy storage system power converters, uninterruptible power supplies for data centers, industrial motor drives, solid-state circuit breakers, distribution and transmission switches and controls, and other industrial and military markets. The company was formerly known as Ideal Power Converters Inc. and changed its name to Ideal Power Inc. in July 2013. Ideal Power Inc. was incorporated in 2007 and is headquartered in Austin, Texas.