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Armstrong World Industries

Logo: Armstrong World Industries, Inc., Public domain, via Wikimedia Commons4

American industrial manufacturer

Armstrong World Industries, Inc. is an international designer and manufacturer of wall and ceiling building materials based in Lancaster, Pennsylvania.3 From Wikipedia, CC BY-SA 4.0

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Last updated Oct 16, 2026.

Overview

1860Founded1

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  • TickerAWI on NYSE1
  • Industrybuilding material1
  • HeadquartersLancaster1
  • Founded inLancaster1
  • Websitewww.armstrongceilings.com
  • Incorporated inPA5
  • Business address2500 Columbia Ave, Lancaster, Pa 176035
  • Filer categoryLarge accelerated filer5

Armstrong World Industries, Inc. is an international designer and manufacturer of wall and ceiling building materials based in Lancaster, Pennsylvania. As of 2014, AWI3

Financials

From the company’s reports to the SEC. Every number links to the filing it came from.

Key numbers, fiscal 2025

40.6%Gross margin7
26.6%Operating margin7
19.0%Net margin7
12.1%Revenue growth, 20257
34.3%Return on equity7
0.44×Debt to equity7

What sells

Revenue by product, business segment and region, as the company reports it to the SEC.

Business segments

Mineral Fiber brought in 64% of the revenue Armstrong World Industries broke down this way in fiscal 2025.

  1. Mineral Fiber$1.0B764%up 5% from 2024
  2. Architectural Specialties$590.1M736%up 28% from 2024
Business segments by year
Business segments202320242025
Mineral Fiber$932.4M$986.0M$1.0B
Architectural Specialties$362.8M$459.7M$590.1M

Where the money goes

Where each dollar of revenue went, fiscal 2025

  • Cost of revenue55¢$962.1M
  • Research and development1¢$16.4M
  • Selling, general and admin19¢$339.5M
  • Interest2¢$33.0M
  • Income tax5¢$91.6M
  • Profit18¢$308.7M

Out of $1.6B in revenue.7

Where each dollar of operating cash went, fiscal 2025

  • Dividends paid16¢$55.2M
  • Share buybacks36¢$128.9M
  • Kept or used elsewhere48¢$171.4M

Out of $355.5M of cash from operations.7

Financial statements

Revenue8910117$1.6B in 2025+56% since 2019
0$500.0M$1.0B$1.5B$2.0B2019: $1.0B$1.0B20192020: $936.9M$936.9M2020−10%2021: $1.1B$1.1B2021+18%2022: $1.2B$1.2B2022+11%2023: $1.3B$1.3B2023+5%2024: $1.4B$1.4B2024+12%2025: $1.6B$1.6B2025+12%
Gross profit8910117$658.7M in 2025+67% since 2019
0$200.0M$400.0M$600.0M$800.0M2019: $395.1M$395.1M20192020: $333.1M$333.1M2020−16%2021: $405.6M$405.6M2021+22%2022: $449.1M$449.1M2022+11%2023: $497.0M$497.0M2023+11%2024: $581.6M$581.6M2024+17%2025: $658.7M$658.7M2025+13%
Operating income8910117$430.9M in 2025+36% since 2019
0$200.0M$400.0M$600.0M2019: $317.4M$317.4M20192020: $254.8M$254.8M2020−20%2021: $260.0M$260.0M2021+2%2022: $278.7M$278.7M2022+7%2023: $323.7M$323.7M2023+16%2024: $374.3M$374.3M2024+16%2025: $430.9M$430.9M2025+15%
Net income8910117$308.7M in 2025+44% since 2019
-$200.0M0$200.0M$400.0M2019: $214.5M$214.5M20192020: -$99.1M-$99.1M20202021: $183.2M$183.2M20212022: $202.9M$202.9M2022+11%2023: $223.8M$223.8M2023+10%2024: $264.9M$264.9M2024+18%2025: $308.7M$308.7M2025+17%

Every line of the income statement in the latest annual report, as filed.7

Period ending2025-12-312024-12-312023-12-31
Net sales$1.6B$1.4B$1.3B
Cost of goods sold$962.1M$864.1M$798.2M
Gross profit$658.7M$581.6M$497.0M
Selling, general and administrative expenses$339.5M$308.5M$262.5M
Loss related to change in fair value of contingent consideration$1.4M$1.6M$100.0K
(Gain) loss on sales of fixed assets, net-$800.0K$600.0K$0
Equity earnings from unconsolidated affiliates, net-$112.3M-$103.4M-$89.3M
Operating income$430.9M$374.3M$323.7M
Interest expense$33.0M$39.8M$35.3M
Other non-operating (income), net-$2.4M-$12.6M-$9.9M
Earnings before income taxes$400.3M$347.1M$298.3M
Income tax expense$91.6M$82.2M$74.5M
Net earnings$308.7M$264.9M$223.8M
Foreign currency translation adjustments$1.7M-$3.2M$500.0K
Derivative (loss), net-$1.5M-$1.6M-$9.0M
Pension and postretirement adjustments$6.9M-$700.0K$3.9M
Total other comprehensive income (loss)$7.1M-$5.5M-$4.6M
Total comprehensive income$315.8M$259.4M$219.2M
Basic$7.13$6.06$5.00
Diluted$7.08$6.02$4.99
Basic43.3M shares43.7M shares44.7M shares
Diluted43.6M shares44.0M shares44.8M shares

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The story

1860–1919

In 1860, Thomas M. Armstrong, the son of Scottish-Irish immigrants from Derry, joined with John D. Glass to open a one-room shop in Pittsburgh, Pennsylvania, carving bottle stoppers from cork by hand. Their first deliveries were made in a wheelbarrow. Armstrong was a business pioneer in some respects; he branded each cork he shipped as early as 1864, and soon was putting a written guarantee in each burlap bag of corks he shipped from his big, new factory. The company grew to be the largest cork supplier in the world by the 1890s. The company incorporated in 1891.

Cork began being displaced by other closures, but the company introduced insulating corkboard and brick. In 1906, two years before he died, Thomas Armstrong concluded that the solid foundation of the future was covered with linoleum, and construction began on a new factory in a cornfield at the edge of Lancaster, Pennsylvania. In 1909, Armstrong linoleum was first offered to the trade.

After corkboard, the logical move was to fiberboard, and then to ceiling board. Cork tile and linoleum led to vinyl flooring, then ceramic tile, laminate flooring, and carpeting.

In 1917, Armstrong Cork signed with the Batton Company advertising agency, a relationship that continues to this day through their corporate descendants.

1920s-1990s

In the 1920s, the Armstrong Cork Products Company and Sherwin-Williams company were the largest industrial customers for hemp fiber.

In 1938, Armstrong bought Whitall Tatum, which had been one of the larger manufacturers of glass insulators for communications and power lines since entering that field in 1922. The Whitall Tatum name was phased out, first by removing "Co." from the molds, then replacing the "WT" logo with the Armstrong logo, and finally replacing the molds with ones bearing the Armstrong name. In April 1969, the business was sold to Kerr Glass Manufacturing Corporation. Kerr eventually moved insulator production from Millville to their Dunkirk, Indiana, factory in the mid-1970s, and production ceased by the end of the decade.

During World War II, Armstrong made 50-caliber round ammunition, wing tips for airplanes, cork sound insulation for submarines, and camouflage.

In 1952, Henning W. Prentis of Armstrong Cork Company and industrialists such as Alfred P. Sloan of General Motors, Frank W. Abrams of Standard Oil Company of New Jersey, and Henry Ford II of Ford Motor Company formed the Council for Financial Aid to Education, which increased corporate gifts to colleges from $24 million annually to $136 million annually over 10 years.

Read the full text

In 1958, Armstrong Cork Company created Armstrong Contracting and Supply Corporation. Armstrong Cork had done insulation contracting since the early 20th century, originally focusing on cork products. Gradually, greater emphasis was placed on high-temperature insulation. In 1969, this business was sold in a leveraged buyout to 31 existing and retired employees of the contracting company, which became Irex Corporation.

C.U.E., Inc. (from Custom Urethane Elastomers) started as the Polyurethane Division of Armstrong Cork in the 1960s. The Fluorocarbon Company of Anaheim, California, bought the division in 1972. On April 7, 1986, a group of seven employees acquired the division in a leveraged buyout.

In 1964, Armstrong bought Phoenix Chair Company, following up with Founders Furniture Company in 1965, Western Carolina Furniture Company in 1966, and both Thomasville Furniture and Caldwell Furniture in 1968. In the 1970s, they expanded with a low-end bedroom-furniture line. They bought Gilliam Furniture in 1986, bought and repurposed the former Stehle polyester factory in Carysbrook, Virginia, later that year, bought Westchester Group in 1987, and Gordon's in 1988, and made a major expansion to Thomasville that year. In 1995, Thomasville Furniture was sold to Interco (which became Furniture Brands International), a leading furniture manufacturer, with such brands as Broyhill and Lane.

In 1998, Armstrong acquired Triangle Pacific Corp., a leading manufacturer of hardwood flooring and kitchen/bathroom cabinets.

Asbestos trust and bankruptcy—2000-2006

The company filed for reorganization December 6, 2000, with the federal bankruptcy court in Delaware for reorganization under Chapter 11 because pending asbestos injury claims appeared to exceed the value of the company, and were growing.

In 2002, Armstrong created a billion-dollar trust to resolve thousands of asbestos-related lawsuits filed against the firm. The trust was funded with a combination of stock and cash.

Armstrong World Industries, Inc. emerged from Chapter 11 reorganization on October 2, 2006. The Armstrong World Industries, Inc. Asbestos Personal Injury Settlement Trust in 2006 held approximately 66% of AWI's outstanding common shares. Armstrong's "Fourth Amended Plan of Reorganization, as Modified", dated February 21, 2006, and confirmed by U.S. District Court Judge Eduardo Robreno in August 2006, become effective October 2, 2006. The Plan included a comprehensive settlement resolving AWI's asbestos liability by establishing and funding a trust to compensate all current and future asbestos personal injury claimants. Its stock began trading on the New York Stock Exchange on October 18, 2006, under the ticker symbol AWI.

"In addition to resolving AWI’s asbestos liability, we used the time in Chapter 11 to restructure our flooring business to make it more competitive", AWI CEO Michael D. Lockhart said. "We made substantial improvements in our cost structure by closing several plants and streamlining our workforce in the U.S. We have also expanded capacity to manufacture wood flooring, broadened our product lines and improved product quality and customer service".

2007-2024

On February 15, 2007, Armstrong World Industries, Inc. announced that it was initiating a review of its strategic alternatives. On March 27, 2007, Armstrong World Industries, Inc. and NPM Capital N.V. agreed to sell Tapijtfabriek H. Desseaux N.V. and its subsidiaries, the principal operating companies in Armstrong's European Textile and Sports Flooring business segment, to NPM Capital N.V. The sale was finalized in April 2007. In 2009, Armstrong's annual net sales total was US$2.8 billion. Matthew Espe became AWI president and CEO in July 2010. In 2011, Armstrong's net sales were $2.86 billion, with operating income of $239.2 million. Armstrong Cabinets was sold by Armstrong World Industries to American Industrial Partners on October 31, 2012.

Armstrong spun off its flooring business into a new company, Armstrong Flooring (NYSE: AFI) on April 1, 2016. It began trading on the New York Stock Exchange with 3,700 employees and 17 manufacturing facilities in three countries. That day, Matthew Espe was succeeded as CEO of Armstrong World Industries by Vic Grizzle.

In 2020, Armstrong World Industries Inc. remained based in Lancaster, Pennsylvania. That February, it purchased group annuity contracts from Athene Annuity & Life Co. to transfer the majority of its U.S. pension plan liabilities. It transferred $1 billion in liabilities from the retirement income plan, affecting about 10,000 beneficiaries. In 2022, AWI had $1.2 billion in revenue. In 2024, it had 3,100 employees and 17 facilities, with its research lab in Manor Township. In January 2024, AWI acquired a stake in Overcast Innovations, a ceiling system designer in Seattle.

From Wikipedia’s article on Armstrong World Industries, shared under CC BY-SA 4.0.6

Leadership

Who has led Armstrong World Industries, and when. Pick a name to see everywhere that person has worked.

Board members and other officers (48)

Products and brands

  • ceiling

Listed on Wikidata.1

ACProducts, Inc. was the seventh-largest manufacturer and distributor of cabinets in the United States as of 2013. The company offers six wood species for its stock and semicustom cabinets, including cherry, maple, oak, birch, plantation hardwood, and laminate/thermofoil, and serves over 3,000 customers through a network of 26 facilities consisting of ACP-branded showroom/selection centers, regional distribution centers, and warehouses, all in the United States. ACP is headquartered in The Colony, Texas with manufacturing operations in Thompsontown, Pennsylvania. Cabinet production facilities were owned by Armstrong World Industries but were under American Industrial Partners in 2015, with products being sold under the ACPI branding.

They produce ceiling products in the US in Hilliard, Ohio; Macon, Georgia; Marietta, Pennsylvania; Mobile, Alabama; Pensacola, Florida; St. Helens, Oregon and internationally in Rankweil, Austria; Shanghai, China; Stafford, England; Thornaby, England; Team Valley, England; Pontarlier, France; Münster, Germany; St. Gallen and Zurich, Switzerland, and Yelabuga, Russia.

All ceiling-grid components (tees, wall angle, etc.) are produced by WAVE, a joint venture with partner Worthington Industries of Columbus, Ohio. WAVE (Worthington Armstrong VEntures) has plants in Benton Harbor, Michigan; Henderson, Nevada; Aberdeen, Maryland; Shanghai, China; Prouvy, France; Team Valley, England, and Madrid, Spain.

From Wikipedia’s article on Armstrong World Industries, shared under CC BY-SA 4.0.6

Acquisitions

  1. Succeeded by Armstrong Cork Company1

Timeline

  1. Apr 10, 2026New chief executive Mark A. Hershey becomes CEO15
  2. Sep 30, 2014New chief executive Donald R. Maier becomes CEO17
  3. Mar 6, 2014New chief executive Thomas B. Mangas becomes CEO16
  4. Mar 4, 2011New chief executive Victor Grizzle becomes CEO18
  5. Aug 6, 2010New chief executive Matthew J. Espe becomes CEO19
  6. Sep 25, 2009New chief executive F. Nicholas Grasberger Iii. becomes CEO20
  7. Oct 18, 2006Went public Listed on NYSE1
  8. Oct 11, 2006New chief executive Frank J. Ready becomes CEO21
  9. Oct 11, 2006New chief executive Michael D. Lockhart becomes CEO22
  10. Oct 11, 2006New chief executive Stephen J. Senkowski becomes CEO23
  11. 1860Founded Founded in Lancaster1

Recent filings

  1. Oct 7, 20268-K
  2. Sep 10, 20263 PRIMARY DOCUMENT
  3. Sep 10, 20264 PRIMARY DOCUMENT
  4. Sep 1, 20268-K
  5. Jul 30, 20268-K
  6. Jul 28, 20268-K
  7. Jul 28, 202610-Q
  8. Jul 21, 20268-K
  9. Jun 17, 20268-K
  10. Jun 15, 20264 PRIMARY DOCUMENT
  11. Jun 15, 20264 PRIMARY DOCUMENT
  12. Jun 15, 20264 PRIMARY DOCUMENT
  13. Jun 15, 20264 PRIMARY DOCUMENT
  14. Jun 15, 20264 PRIMARY DOCUMENT
  15. Jun 15, 20264 PRIMARY DOCUMENT

Every filing from the last three years, summarized. The full record is on SEC EDGAR.2

Sources

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