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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.

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.

Perma-Pipe International Holdings, Inc., together with its subsidiaries, engineers, designs, manufactures, and sells specialty piping and leak detection systems. It offers insulated and jacketed district heating and cooling piping systems for energy distribution from central energy plants to various locations; and primary and secondary containment piping systems for transporting chemicals, hazardous fluids, and petroleum products, as well as engages in the coating and insulation of oil and gas gathering and transmission pipelines. The company also offers liquid and powder based anti-corrosion coatings for external and internal surfaces of steel pipe, including shapes like bends, reducers, tees, and other spools/fittings that is used in pipelines for the transportation of oil and gas products and potable water. It has operations in the United States, Canada, the Middle East, Europe, India, and internationally. The company was formerly known as MFRI, Inc. and changed its name to Perma-Pipe International Holdings, Inc. in March 2017. Perma-Pipe International Holdings, Inc. was incorporated in 1993 and is headquartered in Spring, Texas.

Wrap Technologies, Inc., a public safety technology and services company, develops policing solutions to law enforcement and security personnel. The company's flagship product is BolaWrap 150, a handheld remote restraint device that discharges a seven and a half-foot Kevlar tether, entangling an individual from a range of 10-25 feet. It also offers virtual reality training system, a law enforcement 3D training system employing immersive computer graphics VR with proprietary software-enabled content. It operates in the Americas, Europe, the Middle East, Africa, and the Asia Pacific. The company was incorporated in 2007 and is based in Tempe, Arizona.