Glencore (formerly known as Glencore Xstrata) is a natural resources company that specializes in the production, refinement, processing, storage, transport, and marketing of metals, minerals, and energy products.
The Vedanta Group is a diversified natural resources group of companies with a presence in India, South Africa, Namibia, Ireland, Australia, Liberia & Sri Lanka
Adani Enterprises (also known as the Adani Group) is a conglomerate company that has expertise in defense and aerospace, solar manufacturing, oil and foods, airports, mining services, and other businesses.
Alpha Metallurgical Resources (formerly known as Contura Energy) is a mining company that extracts, processes, and markets steam and metallurgical coal.