HOUSTON--(BUSINESS WIRE)--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 first quarter ended March 31, 2019, and reiterated its financial outlook for 2019. Fiscal First Quarter 2019 Financial Summary vs. Same Year-Ago Quarter Operating revenue increased 41% to $100.5 million. Net loss was $8.5 million, or $(0.23) per share1, compared t