AMR vs CNR

Alpha Metallurgical Resources Inc.

Alpha Metallurgical Resources, Inc. operates as a mining company. It produces, processes, and sells met coal and thermal coal in Virginia and West Virginia. It operates through two segments, Met and CAPP-Thermal. The Met segments operates five active mines and two preparation plants in Virginia; and seventeen active mines and five preparation plants in West Virginia. The CAPP - Thermal segments operates one active mine and one preparation plant in West Virginia. The company was formerly known as Contura Energy, Inc. and changed its name to Alpha Metallurgical Resources, Inc. in February 2021. Alpha Metallurgical Resources, Inc. was incorporated in 2016 and is based in Bristol, Tennessee.

Core Natural Resources Inc.

Cornerstone Building Brands, Inc., together with its subsidiaries, designs, engineers, manufactures, markets, and installs external building products for the commercial, residential, and repair and remodel markets in the United States, Canada, Mexico, and internationally. The company operates through three segments: Windows, Siding, and Commercial. Its Windows segment provides vinyl, aluminum, wood, and aluminum clad-wood windows and patio doors; and steel, wood, and fiberglass entry doors under the Ply Gem, Simonton, Atrium, American Craftsman, Silver Line, Great Lakes Window, and North Star brands. The company's Siding segment offers vinyl siding and skirting, composite siding, steel siding, vinyl and aluminum soffit, aluminum trim coil, aluminum gutter coil, fabricated aluminum gutter protection, PVC trim and moldings, and window and door trim products, as well as injection molded accents, such as shakes, shingles, shutters and vents, vinyl fencing and railing, and stone veneer. Its Commercial segment designs, engineers, manufactures, and distributes a range of metal products, such as metal building systems, metal roofing and wall systems, insulated metal panels, steel curtain roll-up and self-storage doors, and coil coatings. The company was formerly known as NCI Building Systems, Inc. and changed its name to Cornerstone Building Brands, Inc. in May 2019. Cornerstone Building Brands, Inc. was founded in 1984 and is headquartered in Cary, North Carolina.