(marketscreener.com) NRC Group Holdings Corp. (NYSE American: NRCG) ("NRCG" or the "Company"), a global provider of a wide range of environmental, compliance and waste management services, today reported financial results for the second quarter ended June 30, 2019. Second Quarter 2019 Financial Results Operating revenue in the second...http://www.marketscreener.com/NRC-GROUP-HOLDINGS-CORP-46790832/news/NRC-Reports-Second-Quarter-2019-Financial-Results-29023951/?utm_medium=RSS&utm_content=20190806