Ceiling Works 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

Armstrong World Industries, Inc. (AWI) is an Americas leader in the design and manufacture of innovative interior and exterior architectural applications including ceilings, specialty walls and exterior metal solutions. For more than 165 years, Armstrong has delivered products and capabilities that enable architects, designers and contractors to transform building design and construction with elevated aesthetics, acoustics and sustainable attributes. With $1.6 billion in revenue in 2025, AWI has approximately 4,000 employees and a manufacturing network of 24 facilities, plus seven facilities dedicated to its WAVE joint venture. At home, at work, in healthcare facilities, classrooms, stores, or restaurants, Armstrong World Industries offers interior solutions that help to enhance comfort, save time, improve building efficiency and overall performance, and create beautiful spaces. For more than 165 years, we have built our business on trust and integrity. It set us apart then, and it sets us apart now, along with our ability to collaborate with and innovate for the people we’re here to serve – our customers, our shareholders, our communities and our employees. We are committed to developing new and sustainable ceiling solutions, with design and performance possibilities that make a positive difference in spaces where we live, work, learn, heal and play. It’s an exciting, rewarding business to be in, and we’re committed to continuing to grow and prosper for the benefit of all of our stakeholders. Stock Exchange and Symbol NYSE: AWI

Rockfon is part of ROCKWOOL Group and offers advanced acoustical ceilings and wall solutions to create beautiful, comfortable spaces. Rockfon is the only stone wool ceiling tile manufacturer in North America, offering a unique solution to the challenges the built environment faces today. With a commitment to quality and reliability, Rockfon supports its acoustical ceilings offering with a comprehensive 30-year warranty on tiles and panels*. At ROCKWOOL Group, we are committed to enriching the lives of everyone who experiences our product solutions. Our expertise is perfectly suited to tackle many of today’s biggest sustainability and development challenges, from energy consumption and noise pollution to fire resilience, water scarcity and flooding. Our product range reflects the diversity of the world’s needs, while supporting our stakeholders in reducing their own carbon footprint. Stone wool is a versatile material and forms the basis of all our businesses. With more than 12,400 passionate colleagues in 40 countries, we are the world leader in stone wool solutions, from building insulation to acoustic ceilings, external cladding systems to horticultural solutions, engineered fibers for industrial use to insulation for the process industry and marine & offshore. Privacy Policy: https://www.rockfon.com/legal-information/privacy-statement/ *exclusion applies to Mono Acoustic solution with 15-year warranty