Chemicals PPG Industries Inc (NYSE: PPG) Q1 2020 Earnings Call Transcript 6 years ago PPG Industries Inc (PPG) Q1 2020 earnings call dated Apr. 28, 2020 Corporate Participants: John Bruno -- Director, Investor Relations Michael H.… Stepan Co (NYSE: SCL) Q1 2020 Earnings Call Transcript 6 years ago Stepan Co (SCL) Q1 2020 earnings call dated Apr. 21, 2020 Corporate Participants: Luis E. Rojo -- Vice President and Chief Financial… « Previous