Owens Corning

Natural Polymers is an independent manufacturer of spray foam insulation that prioritizes eco-friendliness and innovation. The company specializes in producing low volatile organic compound (VOC) signature products by utilizing a raw material base that is both natural and environmentally friendly. Their offerings include distilled organic and natural polymer-based polyurethane cell chemical sprays, specifically designed for marine and concrete applications. By focusing on reducing trace impurities, Natural Polymers assists building professionals in enhancing the energy performance of their construction projects while promoting sustainability in the industry.

Paroc Group Oy, established in 1952 and headquartered in Helsinki, Finland, is a leading manufacturer and supplier of energy-efficient insulation solutions. The company specializes in mineral wool insulation products, catering to both building and technical insulation needs. Its extensive product portfolio includes interior and industrial acoustic products, sandwich panels, general building insulations, and accessories, among others. Paroc serves a diverse range of clients, such as builders, architects, contractors, dealers, and industrial builders, across Sweden, Finland, Poland, Germany, other European Union countries, Russia, Norway, and internationally. The company operates manufacturing facilities in Finland, Sweden, Lithuania, Poland, and Russia, and has sales and representative offices in 14 European countries. As of 2018, Paroc operates as a subsidiary of Owens Corning.

Pittsburgh Corning Corporation is a manufacturer and supplier of building materials, specializing in glass products and insulation systems for various applications. Founded in 1937 and based in Pittsburgh, Pennsylvania, the company provides a range of glass block products, including loose glass blocks, windows, shower systems, and energy-efficient solutions. Pittsburgh Corning's FOAMGLAS insulation products, made from millions of sealed glass cells, are designed for high-performance thermal insulation in both commercial and industrial settings. The company serves professional builders and homeowners, catering to needs in residential, commercial, and industrial sectors, including schools and hospitals. Its distribution network spans the United States, Canada, and international markets, with manufacturing facilities located in Port Allegany, Pennsylvania; Sedalia, Missouri; and Fresno, Texas. As of 2017, Pittsburgh Corning operates as a subsidiary of Owens Corning.

Thermafiber is a manufacturer of mineral wool insulation products aimed at enhancing life safety and fire protection in various construction sectors. The company specializes in providing insulation solutions for commercial buildings, industrial applications, and residential construction, with a particular focus on high-rise developments. Thermafiber's products are created from melt rock and slag, resulting in mineral fibers that contribute to energy conservation, noise control, and reduced greenhouse gas emissions. By offering systematic approaches such as Thermafiber Insolutions™, the company supports architects, specifiers, and contractors in planning and installing insulation efficiently, ensuring projects are completed on time and within budget. Thermafiber's commitment to quality and innovation enables it to serve a diverse clientele, helping to protect notable buildings worldwide.

FiberTEK Insulation is a manufacturer specializing in fiberglass insulation products. It serves primarily the real estate industry, offering a range of solutions including fiberization, glass melting, and packaging technologies.

Vitro Fibras manufactures and markets fiberglass insulations and reinforcements.

Northern Elastomeric Incorporated (NEI), established in Brentwood, NH in 1989 by Tom Zickell and Mat Bockh, specializes in manufacturing self-adhesive roofing underlayments. Initially focusing on residential ice and water protection products, NEI has since expanded its offerings to include specialty underlayments, flooring materials, and tapes for various roofing and gutter applications. Through continuous innovation, the company has become a prominent supplier in its market.

Fibreboard Corp. manufactures and distributes building products.It offers industrial building products such as molded insulation for high temperature and industrial applications, fireproofing board, and protective metal jacketing.

UC Industries is a producer of extruded polystyrene insulation products.