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Advent Technologies Holdings Inc is an innovation-driven company in the fuel cell and hydrogen technology space, including liquid hydrogen carriers such as methanol. The company develops, manufactures, and assembles complete fuel cell systems and the critical components that determine the performance of hydrogen fuel cells and other energy systems. It serves automotive; aviation and power generation industries. It generates revenue from the sale of fuel cell systems and the sale of MEAs, membranes, and electrodes for specific applications in the fuel cell and energy storage (flow battery) markets.
ClearOne Inc is a communications solutions company, which is engaged in designing, developing, and selling conferencing, collaboration, streaming, and digital signage solutions for audio, video, and visual communication. It sells its commercial products to end-users predominantly through a network of independent distributors, who in turn sell its products to dealers, systems integrators, and other resellers. Its products include DSP mixers, amplifiers, Video walls, professional cameras, and professional microphones among others. Geographically the firm has its business presence across the United States and international markets.