Builders Firstsource

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

• Building Materials & Supplies
• Millwork

North American Industry Classification System (NAICS) Categories:

• Other Building Material Dealers > Lumber & Lumber Products > Millwork

Standard Industry Classification (SIC) Categories:

• Lumber & Other Building Materials > Lumber & Other Building Materials, Nec > Millwork