 NEW YORK, April 8, 2021 PRNewswire -- OTC Markets Group Inc. OTCQX: OTCM, operator of financial markets for 11,000 U.S. and global securities, today announced NG Energy International Corp. TSX-V: GASX; OTCQX: GASXF, a publicly traded EP company, has qualified to trade on the OTCQX Best Market. NG Energy International Corp. upgraded to OTCQX from the Pink market. 