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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.

Atomera Incorporated engages in the developing, commercializing, and licensing proprietary processes and technologies for the semiconductor industry in North America and the Asia Pacific. The company's lead technology is the Mears Silicon Technology, a thin film of reengineered silicon that can be applied as a transistor channel enhancement to CMOS-type transistors. Its customers include foundries, integrated device manufacturers, fabless semiconductor manufacturers, original equipment manufacturers, and electronic design automation companies. The company was formerly known as Mears Technologies, Inc. and changed its name to Atomera Incorporated in January 2016. Atomera Incorporated was founded in 2001 and is headquartered in Los Gatos, California.

GSI Technology, Inc. designs, develops, and markets semiconductor memory solutions to networking, industrial, medical, aerospace, and military customers in the United States, China, Singapore, Germany, the Netherlands, and internationally. It offers associative processing unit products, which are focuses on applications using similarity search in visual search queries for ecommerce, computer vision, drug discovery, cyber security, and service markets. The company also provides static random access memory (SRAM) products, such as SyncBurst for microprocessor cache and other applications; No Bus Turnaround SRAMs to address the needs of networking and telecom applications; SigmaQuad and SigmaDDR products for density and random transaction rate requirements of networking and telecom applications; Low Latency DRAMs, a solution for advanced data networking applications; Asynchronous, a main memory for small cache-less embedded processors for industrial electronics, measurement systems and cost-sensitive networking equipment, and other applications; and specialty SRAMs. In addition, it offers radiation-hardened and radiation-tolerant SRAMs for military/defense and aerospace applications, such as networking satellites and missiles. The company's products are used as components in its original equipment manufacturer customers' products, including routers, switches, and other networking and telecommunications products; military and aerospace applications, such as radar and guidance systems and satellites; test and measurement applications consisting of high-speed testers; automotive applications comprising smart cruise control; medical applications, including ultrasound and CAT scan equipment; and audio/video processing. It markets its products through a network of independent sales representatives and distributors. GSI Technology, Inc. was incorporated in 1995 and is headquartered in Sunnyvale, California.

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.

SPI Energy Co., Ltd. provides photovoltaic and electric vehicle (EV) solutions for business, residential, government, and utility customers and investors in Australia, Japan, Italy, the United States, the United Kingdom, and Greece. The company offers engineering, procurement, and construction services to independent power developers and producers, and commercial and industrial companies. It also develops, owns, and operates solar projects that sell electricity to power companies and other electricity off-takers, including government-owned utility companies. In addition, the company sells self-assembled solar modules, forklifts, pre-development solar projects, component and charging stations, as well as offers shipping, delivery, engineering, and maintenance services. As of April, 2022, it owned and operated 17.51 megawatts of solar projects. The company is headquartered in Sacramento, California.