Armstrong World Industries Inc. AWI

What this company does

Armstrong World Industries designs and manufactures interior and exterior architectural applications, including ceilings, specialty walls and exterior metal solutions. As of December 31, 2025 and 2024, the company had approximately 3,800 and 3,600 full-time and part-time employees, respectively. In 2025, approximately 63% of its consolidated net sales were to building materials distributors. It primarily serves markets in the United States, Canada and Latin America. The company organizes its operations into three segments: Mineral Fiber, Architectural Specialties and Unallocated Corporate. Its Mineral Fiber segment produces suspended mineral fiber and fiberglass ceiling systems, sold primarily to resale distributors, ceiling systems contractors and wholesalers, and retailers. Its Architectural Specialties segment designs, produces and sources specialty ceilings, walls, and other interior and exterior architectural applications primarily for use in commercial settings, sold primarily to direct customers, ceiling systems contractors, and resale distributors. AWI is a Pennsylvania corporation incorporated in 1891.

Written from the business description in ARMSTRONG WORLD INDUSTRIES, INC.'s annual report to the U.S. Securities and Exchange Commission, filed 24 February 2026. Every sentence was checked against that document before publication.