Arch Resources, Inc. produces and sells thermal and metallurgical coal from surface and underground mines. As of December 31, 2020, the company operated seven active mines. It also owned or controlled primarily through long-term leases approximately 28,292 acres of coal land in Ohio; 1,060 acres of coal land in Maryland; 10,095 acres of coal land in Virginia; 306,253 acres of coal land in West Virginia; 81,470 acres of coal land in Wyoming; 234,437 acres of coal land in Illinois; 33,047 acres of coal land in Kentucky; 403 acres of coal land in Montana; 358 acres of coal land in Pennsylvania; and 19,146 acres of coal land in Colorado, as well as smaller parcels of property in Alabama, Indiana, Washington, Arkansas, California, Utah, and Texas. The company sells its products to utility, industrial, and steel producers in the United States, Europe, Asia, Central and South America, and Africa. The company was formerly known as Arch Coal, Inc. and changed its name to Arch Resources, Inc. in May 2020. Arch Resources, Inc. was founded in 1969 and is headquartered in St. Louis, Missouri.