Established in 1969, Arch Resources, Inc., with its headquarters in St. Louis, Missouri, operated under the name Arch Coal, Inc. until its rebranding in May 2020. The company's primary activity centers on the mining and distribution of both thermal coal, which is used for power generation, and metallurgical coal, a crucial component in steel manufacturing. These operations encompass both open-pit and underground excavation methods. By the close of 2021, the firm was actively running seven mining sites. Arch Resources controls an extensive portfolio of coal-rich land, predominantly through long-term leases, across various states. This includes approximately: 28,292 acres in Ohio 952 acres in Maryland 10,095 acres in Virginia 306,033 acres in West Virginia 81,470 acres in Wyoming 234,543 acres in Illinois 33,047 acres in Kentucky 362 acres in Montana 248 acres in Pennsylvania 19,018 acres in Colorado Additionally, it maintains smaller property holdings in Alabama, Indiana, Washington, Arkansas, California, Utah, and Texas. The company supplies its coal to electric utilities, industrial enterprises, and steel producers, serving a broad global clientele that spans the United States, Europe, Asia, Central and South America, and Africa.