OC vs GIL 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.

Gildan is a vertically integrated designer and manufacturer of basic apparel, including T-shirts, underwear, socks, and hosiery. It is a leader in blank T-shirts, sweatshirts, and other apparel to wholesalers, major clothing brands, and printers (printwear). Gildan also sells branded clothing through retail and direct-to-consumer channels, a business that has been greatly enhanced by the Hanesbrands acquisition. Gildan's brands include Hanes, Bali, Maidenform, Playtex, Gildan, American Apparel, Comfort Colors, and Goldtoe. Gildan produces most of its clothing at factories in Latin America but has been ramping up production at its new facility in Bangladesh. Incorporated in 1984, the Montreal-based company operates internationally but generated 90% of its sales in the US in 2025.