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Crown Electrokinetics Corp. develops and sells optical switching films in the United States. It offers DynamicTint technology, which allows transition between clear and dark in seconds that can be applied to a wide array of windows including commercial buildings, automotive sunroofs, and residential skylight, and windows. The company was formerly known as 3D Nanocolor Corp. and changed its name to Crown ElectroKinetics Corp. in October 2017. Crown ElectroKinetics Corp. was incorporated in 2015 and is headquartered in Corvallis, Oregon.

Inrad Optics, Inc., together with its subsidiaries, manufactures and sells glass, crystal, and metal based optical components, and sub-assemblies. The company offers UV-IR optics and assemblies, such as precision custom optics and thin film optical coatings; glass and single crystal substrates; and deposit optical thin films, and assemble sub-components used in advanced photonic systems. It also offers large form factor transmission flats, optical windows for airborne applications, multi-element optical assemblies, lenses, mirrors, polarizing optics, prisms, and wave plates; interferometer and transmission flats; and multi-element optical assemblies. In addition, the company provides X-Ray imaging optics, including bent x-ray monochromators from crystal materials and orientations; and metal substrate optics and assemblies, such as precision aspheres, large and small metal mirrors, low RMS surface finish polished mirrors, reflective Porro prisms, and thermally stable optical mirrors; and void-free gold and electroless nickel plating specialties. Inrad Optics, Inc. exports its products Canada, the Czeck Republic, Germany, Singapore, Europe, Israel, and Japan. The company was formerly known as Photonic Products Group, Inc. and changed its name to Inrad Optics, Inc. in 2012. Inrad Optics, Inc. was incorporated in 1973 and is based in Northvale, New Jersey.

Nortech Systems Incorporated provides design and manufacturing solutions for electromedical devices, electromechanical systems, assemblies, and components in the United States, Mexico, and China. It offers a range of technical and manufacturing, and support services, including project management, designing, testing, prototyping, manufacturing, supply chain management, and post-market services. The company also provides manufacturing and engineering services for medical devices, printed circuit board assemblies, wire and cable assemblies, and higher-level electromechanical assemblies. In addition, it offers engineering and repair services. The company serves original equipment manufacturers in the medical, aerospace and defense, and industrial markets through business development teams and independent manufacturers' representatives. Nortech Systems Incorporated was founded in 1990 and is headquartered in Maple Grove, Minnesota.

Orbit International Corp. engages in the design, manufacture, and sale of electronic components and subsystems, and commercial and custom power units for prime contractors, government procurement agencies, and research and development laboratories worldwide. The company operates in two segments, Electronics Group and Power Group. The Electronics Group segment designs, manufactures, and sells customized electronic components and subsystems. This segment offers remote control units, intercommunication panels, displays, keyboards, keypads and pointing devices, operator control trays, and command display units, as well as provides LCD display modules design and enhancement services. The Power Group segment designs and manufactures commercial power units, AC power, frequency converters, uninterruptible power supplies, armament systems, and commercial-off-the-shelf power solutions, as well as inverters. The company was formerly known as Orbit Instrument Corp. and changed its name to Orbit International Corp. in July 1991. Orbit International Corp. was founded in 1957 and is based in Hauppauge, New York.

Ostin Technology Group Co., Ltd. designs, develops, and manufactures thin-film transistor liquid crystal display (TFT-LCD) modules and polarizers in China. It offers display modules to markets, such as consumer electronics, including AIOs, monitors, laptop computers, and tablets; automotive displays, including dashboard, and navigation and multimedia systems; and commercial LCD displays, which are used to display multimedia graphics, such as company advertisements, promotions, scoreboards, and traffic signs in education, medical treatment, business, outdoor, and cultural construction industries. The company sells its products directly to customers, as well as to customers' designated system integrators. Ostin Technology Group Co., Ltd. was founded in 2010 and is based in Nanjing, China.