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
At Johns Manville, we build on decades of experience to manufacture commercial roofing, premium-quality insulation and a variety of engineered products for our customers. We are proud to be part of Berkshire Hathaway, one of the most respected companies in the world. Our values of People, Passion, Perform and Protect drive the way we work as we strive to deliver positive and powerful JM Experiences to our employees and to our customers.
Our company is based in Denver, CO, where you will also find our global research and development facilities. With over 8,000 employees and 44 manufacturing and sales locations across North America and Europe, we serve customers in over 80 countries. Our employees are united across business functions and work globally with other JM employees.
We encourage you to explore what JM has to offer employees. It’s not just a job when you join JM; you join a JM family with unquestionable integrity and stability. We are PEOPLE champions! Our PASSION is in going the extra mile! We PERFORM at a superior level! And we PROTECT today to ensure tomorrow. Check out our current positions today, connect with a JM recruiter, follow us on LinkedIn, (@JohnsManville on Twitter and Facebook) and learn why we love working at JM!
At ROCKWOOL, everything we do is based on releasing the natural power of stone to enrich modern living. We help our customers and communities 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 recyclable, versatile material that forms the basis of all our businesses. With ~11,800 dedicated colleagues in 37 countries and sales in more than 120, we are the world leader in stone wool products, from building insulation to acoustic ceilings, external cladding systems to horticultural solutions, customised stone wool insulation components for other manufacturers’ products and systems (OEM), to insulation for the process industry and marine & offshore.