OC vs AA Comparison

Owens-Corning Inc is a building products company that offers roofing products and systems, insulation products (hermal and acoustical batts, loose fill insulation, spray foam insulation, wet use chopped strand, etc.), and doors and door systems. The company's reportable segments are: Roofing, Insulation, and Doors. Maximum revenue is generated from the Roofing segment, which manufactures and sells residential roofing shingles, oxidized asphalt materials, roofing components, and composite lumber mainly used in residential construction. This segment also manufactures and sells glass mat and specialty veil materials used in building and construction applications. Geographically, the company generates maximum revenue from the United States, followed by Europe, Asia-Pacific, and other markets.

Alcoa is a vertically integrated aluminum company whose operations include bauxite mining, alumina refining, and manufacturing primary aluminum. It is one of the world's largest bauxite miners and alumina refiners by production volume, but sits outside the top-10 aluminum producers, a list dominated by Chinese companies. Profits are closely tied to prevailing commodity prices along the aluminum supply chain.Alcoa was the first mass producer of aluminum, launching the world-changing Hall-Heroult smelting process in the 1880s, making aluminum affordable. It listed as a public company in 1925. In 2016, Alcoa spun off its automotive and aerospace metal parts segment to focus on mining, smelting, and refining. It bought the 40% unowned balance of AWAC in mid-2024.