Armstrong World Industries

Armstrong World Industries is also listed under the following categories: Standard Yellow Pages Heading (SYPH) Categories:

• Building Materials & Supplies
• Glass & Glass Products

North American Industry Classification System (NAICS) Categories:

• Other Building Material Dealers > Glass & Glass Products

Standard Industry Classification (SIC) Categories:

• Lumber & Other Building Materials
• Paint, Glass & Wallpaper Stores > Glass & Glass Products