General Shale

General Shale is also listed under the following categories: Standard Yellow Pages Heading (SYPH) Categories:

• Brick
• Brick Clay, Common & Face
• Brick Concrete, Pumice Etc
• Building Materials & Supplies

North American Industry Classification System (NAICS) Categories:

• Home Centers > Masonry Materials & Supplies > Brick Clay, Common & Face
• Home Centers > Masonry Materials & Supplies > Brick Concrete, Pumice
• Home Centers > Masonry Materials & Supplies > Bricks & Blocks
• Other Building Material Dealers

Standard Industry Classification (SIC) Categories:

• Lumber & Other Building Materials > Masonry Materials & Supplies > Brick Clay, Common & Face
• Lumber & Other Building Materials > Masonry Materials & Supplies > Brick Concrete, Pumice
• Lumber & Other Building Materials > Masonry Materials & Supplies > Bricks & Blocks