Company Story
1961 - Arch Resources, Inc. was founded as a subsidiary of Ashland Inc.
1981 - The company was spun off from Ashland Inc. and became an independent company.
1997 - Arch Resources, Inc. acquired the coal operations of Atlantic Richfield Company.
2004 - The company acquired the coal operations of Triton Coal Company.
2011 - Arch Resources, Inc. merged with International Coal Group, Inc.
2017 - The company acquired the metallurgical coal assets of Contura Energy.
2020 - Arch Resources, Inc. merged with Peabody Energy Corporation to form the largest coal producer in the United States.