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Advent Technologies Holdings, Inc., an advanced materials and technology development company, operates in the fuel cell and hydrogen technology markets in North America, Europe, and Asia. It develops, manufactures, and assembles fuel cell systems and critical components that determine the performance of hydrogen fuel cells and other energy systems. The company offers high-temperature proton exchange membrane (HT-PEM) fuel cells, including membrane electrode assemblies, bipolar plates, and reformers, as well as provides fuel-cell stack assembly and testing services. It serves stationary power, portable power, automotive, aviation, energy storage, and sensor markets. The company is headquartered in Boston, Massachusetts.

Cadiz Inc., together with its subsidiaries, provides water solutions in the United States. The company operates through Land and Water Resources; and Water Filtration Technology segments. It offers water supply, water storage, water conveyance, and water filtration services. In addition, the company is involved in the cultivation of grain crops and alfalfa, as well as provides water filtration solutions for impaired or contaminated groundwater sources. It serves public water systems, government agencies, and other clients. Cadiz Inc. was founded in 1983 and is based in Los Angeles, California.

Telecom Argentina S.A., together with its subsidiaries, provides telecommunications services. The company offers mobile telecommunications services, including voice communications, high-speed mobile Internet content and applications download, online streaming, and other services; and sells mobile communication devices, such as handsets, Modems MiFi and wingles, and smart watches. It also internet connectivity products, including virtual private network services, traditional Internet protocol links, and other products; and programming and other cable television services. In addition, the company offers telephone services, including local, domestic, and international long-distance telephone services, as well as public telephone services; and other related supplementary services, such as call waiting, call forwarding, conference calls, caller ID, voice mail, itemized billing, and maintenance services. Further, it provides Infrastructure, interconnection, datacenter, Internet, value added, and international long-distance services; and data services, including data transmission, virtual private networks, symmetric Internet access, national and international signal transport, and videoconferencing services; Personal Pay, a digital wallet service; and management and administration services. The company was formerly known as Cablevisión S.A. and changed its name to Telecom Argentina S.A. in January 2018. Telecom Argentina S.A. was founded in 1979 and is based in Buenos Aires, Argentina.

Perusahaan Perseroan (Persero) PT Telekomunikasi Indonesia Tbk provides information and communications technology, and telecommunications network services worldwide. The company operates through mobile, consumer, enterprise, Wholesale and International Business, and Other segments. The Mobile segment offers mobile voice, SMS, value added services, and mobile broadband services. The Consumer segment provides fixed wireline, pay TV, and internet services; and other telecommunication services to home customers. The Enterprise segment offers end-to-end solution to corporate and institutions. The Wholesale and International Business segment provides interconnection services, broadband access, information technology services, data, and internet services to other licensed operator and institutions. The Other segment offers digital content products, big data, business to business commerce, and financial services to individual and corporate customers. The company also engages in leasing of towers, and digital support and other telecommunication services; provision of consultation service of hardware, computer software, and data center, as well as multimedia portal services; business management consulting; property development and management; trading service related to telecommunication, information, multimedia technology, entertainment, and investment; and digital content exchange hub services. The company was founded in 1884 and is headquartered in Bandung, Indonesia.