GAF Competitors and Similar CompaniesClear all
CertainTeed's competitors and similar companies include Owens Corning.
 CertainTeed CertainTeed is a company that designs and manufactures exterior and interior building materials. |  Owens Corning Owens Corning is a company that develops, manufactures, and markets insulation, roofing, and fiberglass composite materials. | |
Founding Date | Founding Date 1904 | Founding Date 1938 |
Type | Type Subsidiary | Type Public |
Tags | ||
Locations | Locations Malvern, US HQ Montreal, CA Vaughan, CA Athens, US Berlin, US Carrollton, US Chowchilla, US see more | Locations Toledo, US HQ Antwerpen, BE Tessenderlo, BE Watermaal Bosvoorde, BE Zele, BE Rio Claro, BR São Paulo, BR see more |
Employees | Employees 6,300 | Employees 25,00039% increase |
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Owens Corning
HQ
Toledo, US
Employees
25,000↑ 39% increase
Owens Corning is a company that develops, manufactures, and markets insulation, roofing, and fiberglass composite materials.
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