GAF, a Standard Industries company, is North America's largest roofing and waterproofing manufacturer. For more than 135 years, GAF has been trusted to protect what matters most for families, communities and business owners with its innovative solutions and focus on customer service. GAF's leadership extends to our commitment to protecting what matters most by making a positive impact on our community, our industry, and our planet. Headquartered in Parsippany, NJ, GAF currently employs over 4,000 employees nationwide with 35 manufacturing operations across 27 locations in the U.S.