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Evans & Sutherland Computer Corporation produces and sells visual display systems used primarily in full-dome video projection applications, dome projection screens, and dome architectural treatments in the United States and internationally. The company's products include planetarium and dome theater systems consisting of proprietary hardware and software, and other visual display systems primarily used to project digital video on large curved surfaces. It also produces content for planetariums, schools, science centers, other educational institutions, and entertainment venues; and show content for its own library that it licenses to customers and for specific customer requirements for planetarium and dome theaters. In addition, the company manufactures and installs metal domes with customized optical coatings and acoustical properties that are used for planetarium and dome theaters, and other custom applications; and designs and supplies geometrically complex structures for customized architectural treatments. Evans & Sutherland Computer Corporation was founded in 1968 and is based in Salt Lake City, Utah.

Environmental Tectonics Corporation, together with its subsidiaries, operates as an engineered solutions company in the United States and internationally. It operates in two segments, Aerospace Solutions (Aerospace) and Commercial/Industrial Systems (CIS). The Aerospace segment engages in the design, manufacture, and sale of aircrew training systems to commercial, governmental, and military defense agencies; training devices, including altitude and multiplace chambers to governmental and military defense agencies, and civil aviation organizations; and advanced disaster management simulators to governmental organizations, original equipment manufacturers, fire and emergency training schools, universities, and airports, as well as provides integrated logistics support services. The CIS segment is involved in the design, manufacture, and sale of steam and gas sterilizers to medical device and pharmaceutical manufacturers, as well as universities; and environmental testing and simulation systems primarily to commercial automotive, as well as to heating, ventilation, and air conditioning manufacturers. This segment also provides parts, as well as upgrade, maintenance, and repair services. The company markets its products through independent sales representatives and distributors. Environmental Tectonics Corporation was incorporated in 1969 and is headquartered in Southampton, Pennsylvania.

FuelCell Energy, Inc., together with its subsidiaries, manufactures and sells stationary fuel cell and electrolysis platforms that decarbonize power and produce hydrogen. The company provides various configurations and applications of its platform, including on-site power, utility grid support, and microgrid, as well as distributed hydrogen; solid oxide-based electrolysis; solutions for long duration hydrogen-based energy storage and electrolysis technology; and carbon capture, separation, and utilization systems. It also offers technology to produce electricity, heat, hydrogen, and water. In addition, the company provides turn-key solutions, including development, engineering, procurement, construction, interconnection, and operation services. It serves various markets, including utilities and independent power producers, industrial and process applications, education and health care, data centers and communication, wastewater treatment, government, commercial and hospitality, microgrids, manufacturing, industrial hydrogen, port, oil and gas, wind and solar projects, food and beverage, hydrogen for mobility and material handling, and hydrogen fuel for heat, as well as engineering, procurement, and construction firms. The company primarily operates in the United States, South Korea, and Europe. FuelCell Energy, Inc. was founded in 1969 and is headquartered in Danbury, Connecticut.

Manhattan Scientifics, Inc., a technology incubator, engages in the development and commercialization of life-enhancing technologies in the United States. It develops technologies in the areas of nano-technologies and nano-medicine. The company offers nanostructured bulk metals and alloys in the form of rod, bar, wire, and foil for medical implants and other applications. The company was formerly known as Grand Enterprises, Inc. Manhattan Scientifics, Inc. was founded in 1992 and is based in New York, New York.