NEW YORK, Oct. 09, 2024 (GLOBE NEWSWIRE) -- OTC Markets Group Inc. (OTCQX: OTCM), operator of regulated markets for trading 12,000 U.S. and international securities, today announced SulNOx Group Plc (Aquis Stock Exchange: SNOX; OTCQX: SNOXF), the greentech innovation company helping industry reduce emissions, lower fuel costs and meet sustainability targets, has qualified to trade on the OTCQX® Best Market. SulNOx Group Plc upgraded to OTCQX from the OTCQB® Venture Market.