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SemiLEDs Corporation develops, manufactures, and sells light emitting diode (LED) chips, LED components, and LED modules and systems in the United States, Taiwan, the Netherlands, Germany, Japan, and internationally. The company also sells enhanced vertical, LED product series in blue, white, green, and UV; LED chips to packagers or distributors; and lighting products primarily to original design manufacturers of lighting products and the end-users of lighting devices, as well as packs and sells its LED chips. Its products are used for general lighting applications, including commercial, industrial, and residential lighting; and specialty industrial applications, such as ultraviolet or UV, curing of polymers, LED light therapy in medical/cosmetic applications, counterfeit detection, germicidal and viricidal devices LED lighting for horticulture applications, architectural lighting, and entertainment lighting. The company was incorporated in 2005 and is based in Chu-Nan, Taiwan.

On Track Innovations Ltd., together with its subsidiaries, designs, develops, and markets cashless payment solutions worldwide. It operates in two segments, Retail and Petroleum. The company's product portfolio includes readers, controllers and terminals, management software, payment services, and Payment System as a Service (PSaaS). It offers OtiMetry System that incorporates telemetry, sales, and operations into solution with cloud control, and real-time online management and alerts; TRIO-IQ, a telemetry gateway and EMV payment reader; TRIO, a payment device for installation in kiosks and vending machines; UNO-8 and UNO-PLUS contactless readers for unattended retail environments with self-service payment stations, including ATMs, toll roads, access control, and mass transit validators; and controllers and gateways comprises OTI TeleBox, a machine-to-machine controller that enables the communication between machines, and GoBox, a machine-to-machine controller that communicates between machines, cashless readers, and remote servers. The company also provides a terminal management system, which is a cloud-based system that provides real-time control and insights of each machine enabling operators to remotely manage their terminal's fleet; and cloud based vending management system and vending BI. In addition, it offers payment services, including payment service API, an application programming interface; close loop payment that supports close-loop payment cards; and APIs for integration with mobile payment solutions, as well as original equipment manufacturer (OEM) payment solutions. The company's readers are certified by various card associations and support Apple Pay, Google Pay, Samsung Pay, MIFARE, FeliCa, and others. The company was formerly known as De-Bug Innovations Ltd. and changed its name to On Track Innovations Ltd. in July 1991. On Track Innovations Ltd. was incorporated in 1990 and is headquartered in Yokneam Illit, Israel.

Rubicon Technology, Inc. provides monocrystalline sapphire for applications in optical and industrial systems in North America, Asia, and internationally. The company offers optical and industrial sapphire products in various shapes and sizes, including sheets, rods, tubes, core, ingots, and prisms for a range of end markets comprising defense and aerospace, specialty lighting, instrumentation, sensors and detectors, semiconductor process equipment, electronic substrates, medical, and laser applications. It serves defense subcontractors, industrial manufacturers, fabricators, and resellers. The company was incorporated in 2001 and is based in Bensenville, Illinois.

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.

WiSA Technologies, Inc. develops, manufactures, and sells audio wireless technology for smart devices and next-generation home entertainment systems in the United States and Europe. The company offers wireless modules. It serves primarily to consumer electronics companies. The company was formerly known as Summit Wireless Technologies, Inc. and changed its name to WiSA Technologies Inc. in March 2022. WiSA Technologies, Inc. was incorporated in 2010 and is headquartered in Beaverton, Oregon.