Arch Resources, Inc. is a prominent American coal mining company based in St. Louis, Missouri. Founded in 1969, the company specializes in the production and sale of thermal and metallurgical coal, which are essential for electric power generation and steel production. Arch Resources operates both surface and underground mines across the United States, with seven active mines and extensive coal land holdings in states like West Virginia, Wyoming, and Illinois.

The company's product offerings include bituminous coal, sub-bituminous coal, metallurgical coal, and thermal coal. Arch Resources serves a diverse customer base, including electric power utilities and steel producers, both domestically and internationally. The company is recognized as the second-largest coal supplier in the U.S., contributing significantly to the energy and steel industries. Arch Resources is committed to sustainability and corporate responsibility, reflecting its dedication to environmental and social governance.