HomepageEarnings Events Newsdesk 5 years ago Vertex Energy Inc (VTNR) Vertex Energy Announces Second Quarter 2021 Results Conference Call Date Vertex Energy Inc (NASDAQ: VTNR) Q2 2021 Earnings Conference Flotek Industries Inc (FTK) Q2 2021 Earnings call » « Advanced Emissions Solutions, inc (ADES) Q2 2021 Newsdesk: