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On the Record · Armstrong World Industries

Armstrong World Industries subsidiaries, as it lists them

The subsidiaries Armstrong World Industries lists in its latest annual report, with the jurisdiction of each, linked to the filing.

Subsidiaries it lists

SubsidiaryJurisdiction
3form, LLCDelaware
Architectural Components Group, Inc.Delaware
Arktura LLCDelaware
Armstrong Cork Finance LLCDelaware
Armstrong Ventures, Inc.Delaware
Armstrong World Industries (Delaware) LLCDelaware
Armstrong World Industries Canada Ltd.Canada
AWI Licensing CompanyDelaware
Tectum, Inc.Delaware
Turf Design, Inc.Illinois

From Exhibit 21 of the 10-K for 2025. Companies must list their significant subsidiaries there and may leave out smaller ones, so this is the company’s own list, not every entity it owns.

Read from Armstrong World Industries’s annual reports (10-K for 2025, 10-K for 2024, 10-K for 2023) and the financial data it files with the SEC, as of 2026-02-24. Every quotation is word for word from the filing linked beside it; how these pages are built and checked. The full record is in its company data sheet.