GR O'Shea Competitors

CertainTeed®, a subsidiary of Saint-Gobain, is North America’s leading brand of sustainable exterior and interior building products. Headquartered in Malvern, Pa., CertainTeed has helped shape the building products industry for more than 100 years, through the responsible development of innovative and sustainable building products. Founded in 1904 as General Roofing Manufacturing Company, the firm's slogan "Quality Made Certain, Satisfaction Guaranteed," quickly inspired the name “CertainTeed." A subsidiary of Saint-Gobain, the world’s largest building products company, CertainTeed® is North America’s leading brand of exterior and interior building products, including roofing, siding, fence, decking, railing, trim, insulation, gypsum and ceilings. CertainTeed and its affiliates proudly have a staff of more than 6,300 employees and operate more than 60 manufacturing facilities throughout the United States and Canada. For five consecutive years, the company has received top honors from the U.S. Environmental Protection Agency for its contributions in protecting the environment and was most recently the recipient of the 2013 ENERGY STAR Sustained Excellence Award. The group had total sales of approximately $3.4 billion in 2016. www.certainteed.com Quality made Certain, Satisfaction guaranteed http://www.CertainTeed.com Visit the CertainTeed Building Knowledge Blog http://blog.certainteed.com

BMC empowers 86% of the Forbes Global 50 to accelerate business value faster than humanly possible. Our industry-leading portfolio unlocks human and machine potential to drive business growth, innovation, and sustainable success. BMC does this in a simple and optimized way by connecting people, systems, and data that power the world’s largest organizations so they can seize a competitive advantage.

Alcoa (NYSE: AA, ASX: AAI) is a global industry leader in bauxite, alumina, and aluminum products with a vision to build a legacy of excellence for future generations. With a values-based approach that encompasses integrity, operating excellence, care for people and courageous leadership, our purpose is to Turn Raw Potential into Real Progress. Since developing the process that made aluminum an affordable and vital part of modern life, our talented Alcoans have developed breakthrough innovations and best practices that have led to greater efficiency, safety, sustainability, and stronger communities wherever we operate.