(US) Amplify Energy Corp. is an independent oil and natural gas company, which engages in acquisition, development, exploration and production of oil and natural gas properties. It focuses on operations in the Rockies, offshore California, Oklahoma, East Texas & North Louisiana and South Texas. The company was founded in May 2017 and is headquartered in Houston, TX.
(US) Arch Resources, Inc. engages in the production and distribution of thermal coal. It operates through the following segments: Powder River Basin, Metallurgical and Other Thermal. The Powder River Basin segment contains thermal operations in Wyoming. The Metallurgical segment contains metallurgical operations in West Virginia. The Other Thermal segment contains supplementary thermal operations in Colorado, Illinois and the Coal Mac thermal operations in West Virginia. The company was founded in 1969 and is headquartered in St. Louis, MO.
(US) SandRidge Energy, Inc. engages in the exploration, development, and production of oil and natural gas. It operates in United States Mid-Continent, and North Park Basin of Colorado. The company was founded by Noah Malone Mitchell III in 1984 and is headquartered in Oklahoma, OK.