ARMSTRONG WORLD INDUSTRIES INC

Armstrong World Industries, Inc. designs and manufactures architectural interior and exterior building solutions, focusing primarily on suspended ceilings, specialty walls, and exterior metal systems. Operating through its Mineral Fiber and Architectural Specialties segments, the enterprise creates standard, premium, and customized products utilizing materials such as mineral fiber, fiberglass, wood, resin, glass, and metal. It also produces ceiling suspension grids and perimeter components via its Worthington Armstrong Venture partnership. The business provides solutions with performance features including sound control, fire protection, and thermal efficiency. Customers primarily consist of commercial building materials distributors, ceiling contractors, retailers, home centers, and architectural specifiers across commercial and residential sectors.

The enterprise operates primarily across the Americas, serving markets located in the United States, Canada, and Latin America. As of late 2025, the company employs approximately 3,800 workers across its operations and corporate functions. Corporate headquarters are situated in Lancaster, Pennsylvania.

Summary of the business section of Armstrong World Industries's latest annual report, written by StockData.

“Actually paid” adjusts reported pay for changes in the value of equity awards. Shareholder return assumes $100 invested at the start of the measurement period, as disclosed by the company.

“As of December 31, 2019, we had approximately 2,500 full time and part time employees.”