ICIS announced its annual ICIS Top 100 Chemical Companies listing of global producers ranked by 2019 sales.   This year, Germany’s BASF regained the top spot as the world’s largest chemical company with sales of $66.6 billion in 2019, a decline of 1.5% from 2018.   Coming in second was 2018’s leader, China-based Sinopec with $63.2 billion in chemical sales, followed by US-based Dow in third with $43 billion in revenues, US-based LyondellBasell in fourth with $34.7 billion in sales and Sa...