OTC Markets Group, Inc. engages in the provision of trading, corporate, and market data services. The firm operates through the following business lines: OTC Link, Market Data Licensing and Corporate Services. The OTC Link LLC operates three ATSs, OTC Link ATS, OTC Link ECN and OTC Link NQB, which provide trading services to FINRA member broker-dealer subscribers. The Market Data Licensing provides market data and compliance data for a wide spectrum of securities and companies. The Corporate Services operates the OTCQX and OTCQB markets and offers issuers disclosure and regulatory compliance products. The company was founded in 1904 and is headquartered in New York, NY.