Some commodity trading firms specialize in particular niches like energy, metals, or agricultural commodities, and others seem to have their hand in every commodity sector.

GLENCORE INTERNATIONAL

Revenue 2018: $219 billion

Founded: 1974 by Marc Rich as Marc Rich & Co. 

Key Employees: Ivan Glasenberg , Tony Hayward

Headquarters: Baar, Switzerland, London (Oil and Gas), Rotterdam (Agricultural Products),

Stock listing: London Stock Exchange trading symbol GLEN  

Employees: 158,000

Commodity Trading Focus: Glencore is one of the largest traders of metals, minerals, and oil; this sets it apart from other miners.  Despite having significant coal, metal, and oil assets, Glencore revenues are dominated by trading activities as the company had total revenues of $219 billion in 2018. Glencore is very active in aluminum, copper, zinc and other materials.