Armstrong World Industries

Unknown Public

Dominant US commercial ceilings manufacturer (mineral fiber, metal suspension grid); founded 1860; emerged from Chapter 11 bankruptcy in 2006; spun off flooring division in 2016.

Founded
1860
HQ
Lancaster, United States
Ownership
Public

Ownership graph

No public ownership relationships listed.

Capital

Public listing
AWI on NYSE ($3.5B market cap, as of 2026-09-03)

Market position

Roles
Building Suppliers

Provenance

Verified date not recorded.