Group 1 - OTC Markets Group Inc. operates a regulated market trading 12,000 U.S. and international securities [2][4] - Several companies have been approved to trade on the OTCQB venture market, including Advent Technologies Holdings, American West Metals Limited, capAI plc, and Chariot Corporation Ltd. [2][3] - Advent Technologies focuses on advanced materials and technology development in the fuel cell and hydrogen technology markets across North America, Europe, and Asia [2] - American West Metals is a clean energy mining company targeting the discovery and development of base metal deposits in North America [2] - capAI plc is an AI incubator and operating group that develops and commercializes AI technologies [2] - Chariot Corporation is focused on exploring high-grade lithium opportunities primarily in the U.S. and Nigeria [2] - Pecoy Copper Corp. aims to unlock the potential of a significant porphyry copper-gold district through responsible exploration [3] - Tungsten Mining NL is dedicated to the discovery and development of tungsten deposits in Australia [3] Group 2 - OTC Markets Group's OTC Link alternative trading system (ATS) provides essential market infrastructure for broker-dealers [4] - The company operates under a data-driven disclosure standard that forms the basis of its three public markets: OTCQX Best Market, OTCQB Venture Market, and Pink Open Market [4] - OTC Link ATS, OTC Link ECN, OTC Link NQB, and MOON ATS™ are all SEC-regulated ATS operated by OTC Link LLC [4]