In Futures Magazine's “Top 10 Global Commodity Trading Companies”,  the trading companies have a combined $1.9 trillion in revenues and employ over 526,000 people.

TRAFIGURA

2018 revenues: $180.7 billion

Chairman and CEO: Jeremy Weir 

Founded: 1993. Claude Dauphin, Eric de Turkheim and Graham Sharp. It split off from a group of companies run by Marc Rich. 

Headquarters: Singapore, Geneva

Stock Listing: Private Company  

Employees: 4,300

Commodity Trading Focus: Largely energy-based, the company also focuses on non-ferrous metals trading and shipping.