Coal companies

Anglo American is a mining company providing metals and minerals to global economies.

Glencore (formerly known as Glencore Xstrata) is a diversified natural resources company engaged in the production, refinement, processing, storage, transport, and marketing of metals and minerals, energy products, and agricultural products.

Peabody Energy is the world’s largest private-sector coal company.

Uniper is an energy generation and trading company.

RWE is an electricity and gas company that generates, distributes, and sells electricity, as well as produces, distributes, and sells gas.

Cleveland-Cliffs (formerly Cliffs Natural Resources) is a company operating in the iron ore mining and steel industry.

Talen Energy Corporation operates as an energy and power generation and marketing company.

Contura Energy extracts, processes, and markets steam and metallurgical coal to electric utilities, steel and coke producers, and industrial customers the United States.

NiSource is an energy holding company which operates as a regulated natural gas and electric utility company.

Advanced Emissions Solutions provides clean coal technology and the associated specialty chemicals.

American Resources Corporation is a supplier of raw materials to the global infrastructure marketplace.

PNM Resources engages in the energy and energy-related businesses.