Armstrong World Industries is operated by Armstrong Holdings, its parent company. Armstrong World Industries is a global leader that specializes in the design and manufacture of floors, ceilings and cabinets. In 2004, the company s net sales totaled more than $3 billion. The company is based in Lancaster, Pa., and also maintains operates more than 40 plants throughout 12 countries, including its location is South Gate, Calif. Armstrong World Industries is an employer of nearly of 15,000. The company s business units include Armstrong Floor Products, Armstrong Building Products and Armstrong Cabinet Products. Founded in 1860, Armstrong World Industries manufactures and markets a vast portfolio of branded products and services. In 2004, in the Builder 2004 Brand Use Study, the company and its subsidiaries were recognized with nearly 20 awards for its products, services and corporate Web site.