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Applied Optoelectronics, Inc. designs, manufactures, and sells fiber-optic networking products in the United States, Taiwan, and China. It offers optical modules, optical filters, lasers, laser components, subassemblies, transmitters and transceivers, turn-key equipment, headend, node, distribution equipment, and amplifiers. The company sells its products to internet data center operators, cable television, telecom equipment manufacturers, fiber-to-the-home, and internet service providers through its direct and indirect sales channels. Applied Optoelectronics, Inc. was incorporated in 1997 and is headquartered in Sugar Land, Texas.

Kopin Corporation, together with its subsidiaries, invents, develops, manufactures, and sells microdisplays, subassemblies, and related components for defense, enterprise, industrial, and consumer products in the United States, the Asia-Pacific, Europe, and internationally. It offers miniature active-matrix liquid crystal displays, liquid crystal on silicon displays/spatial light modulators, organic light emitting diode displays, microLED display technologies, application specific integrated circuits, backlights, and optical lenses; and head-mounted and hand-held VR products. The company's products are used for soldier thermal weapon rifle sights, avionic fixed and rotary wing pilot helmets, armored vehicle targeting systems, and training and simulation headsets; industrial and medical headsets; 3D optical inspection systems; and consumer augmented reality and virtual reality wearable headsets systems. Kopin Corporation was incorporated in 1984 and is headquartered in Westborough, Massachusetts.

NVE Corporation develops and sells devices that use spintronics, a nanotechnology that relies on electron spin to acquire, store, and transmit information in the United States and internationally. The company manufactures spintronic products, including sensors and couplers for use in acquiring and transmitting data. Its products comprise standard sensors to detect the presence of a magnetic or metallic material to determine position, rotation, or speed for the factory automation market; and custom and medical sensors for medical devices to replace electromechanical magnetic switches. The company also offers spintronic couplers for power conversion and industrial Internet of Things (IIoT) market; and DC-to-DC convertors for use in power conversion systems and industrial networks for the IIoT. In addition, it undertakes contracts for research and development, and licensing of spintronic magnetoresistive random access memory technology. NVE Corporation was founded in 1989 and is headquartered in Eden Prairie, Minnesota.

O2Micro International Ltd. engages in design, development, and marketing of integrated circuits and solutions. The firm offers solutions for manufacturers of products in the consumer electronics, computers, industrial, communications, and automotive markets. Its products include LED backlighting controller ICs, battery management units, and gas gauge. The company was founded in April 1995 and is headquartered in George Town, Cayman Islands.

Resonant Inc., a late-stage development company, designs and develops filters for radio frequency (RF) and front-ends used in the mobile device, automotive, medical, Internet-of-Things, and related industries in Japan, China, and internationally. It uses WaveX, a software platform to configure and connect resonators that are building blocks of RF filters. The company develops a series of single-band designs for frequency bands; multiplexer filter designs for two or more bands to address the carrier aggregation requirements; and XBAR, a technology for mobile and non-mobile applications, including 5G, WiFi, and Ultra-WideBand applications. Resonant Inc. was incorporated in 2012 and is headquartered in Austin, Texas.