Builders Firstsource

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

• General Contractors & Building Contractors
• Building Materials & Supplies
• Lumber

North American Industry Classification System (NAICS) Categories:

• New Single-Family Housing Construction (Except Operative Builders) > Contractors, General
• Other Building Material Dealers > Lumber & Lumber Products

Standard Industry Classification (SIC) Categories:

• General Contractors - Single-Family Houses > General Contractors - Residential
• Lumber & Other Building Materials > Lumber & Lumber Products