National Sales Company

National Sales Company is also listed under the following categories: Standard Yellow Pages Heading (SYPH) Categories:

• Pipe Retail

North American Industry Classification System (NAICS) Categories:

• Other Building Material Dealers > Drains & Pipes > Pipe Retail

Standard Industry Classification (SIC) Categories:

• Lumber & Other Building Materials > Drains, Pipes & Sewage Materials > Pipe Retail