National Wholesale Supply

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

• Plumbing Fixtures & Supplies Wholesale & Manufacturers
• Roofing Contractors & Consultants

North American Industry Classification System (NAICS) Categories:

• Roofing Contractors > Roofing Work > Roofing Consultants
• Roofing Contractors > Roofing Work > Roofing Contractors & Consultants
• Plumbing Fixture Fitting And Trim Manufacturing

Standard Industry Classification (SIC) Categories:

• Roofing, Siding, And Sheet Metal Work > Roofing Work > Roofing Consultants
• Roofing, Siding, And Sheet Metal Work > Roofing Work > Roofing Contractors
• Plumbing Fixture Fittings & Trim
• Plumbing And Heating Equipment And Supplies (Hydronics) > Plumbing Fixtures & Accessories