NEW YORK, Sept. 13, 2012 /PRNewswire/ -- OTC Markets Group Inc. (OTCQX: OTCM), operator of Open, Transparent and Connected financial marketplaces, today announced that Socket Mobile, Inc. (OTCQX: SCKT), a provider of mobile computing and data collection hardware, is now trading on the highest OTC marketplace, OTCQX ®. (Logo: http://photos.prnewswire.com/prnh/20110118/MM31963LOGO ) Socket Mobile upgraded from OTCQB today to trade on the OTC market's prestigious marketplace, OTCQX U.S. Investors can find current financial disclosure and Real-Time Level 2 quotes for the Company on www.otcmarkets.com. "OTCQX provides services to companies which enable them to communicate with and engage their investors, while providing them with transparent trading and easy access to company information," said R. Cromwell Coulson, President and Chief Executive Officer of OTC Markets Group. "We are pleased to welcome Socket Mobile to OTCQX." Ellenoff Grossman & Schole LLP will serve as Socket Mobile's Designated Advisor for Disclosure ("DAD") on OTCQX, responsible for providing guidance on OTCQX requirements. About Socket Mobile, Inc.Socket Mobile, Inc. (OTCQX: SCKT) trades in the United States on OTCQX under the symbol "SCKT". Socket Mobile designs, manufactures and sells a family of handheld computers and a portfolio of barcode scanning peripherals specifically designed to increase productivity and drive operational efficiencies in healthcare, hospitality, retail point of sale and other business mobility deployments. About OTC Markets Group Inc.OTC Markets Group Inc. (OTCQX: OTCM) operates Open, Transparent and Connected financial marketplaces for investors to easily trade almost 10,000 equity and debt securities through the broker of their choice. Our OTC Link ® ATS directly links a diverse network of broker-dealers that provide liquidity and execution services for a wide spectrum of securities. We organize these securities into tiered marketplaces to inform investors of opportunities and risks - OTCQX ® - The Intelligent Marketplace for the Best OTC Companies; OTCQB ® - The Venture Marketplace; and OTC Pink ® - The Open Marketplace. Our data-driven platform enables efficient trading through any broker at the best possible price and empowers a broad range of companies to improve the quality and availability of information for their investors. To learn more about how we create smarter financial marketplaces, visit www.otcmarkets.com. OTC Link ATS is operated by OTC Link LLC, member FINRA/SIPC and SEC registered ATS.