National Construction

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

• General Contractors & Building Contractors
• Buildings Metal

North American Industry Classification System (NAICS) Categories:

• New Single-Family Housing Construction (Except Operative Builders) > Contractors, General
• Other Construction Material Merchant Wholesalers > Prefabricated Structures > Buildings Metal

Standard Industry Classification (SIC) Categories:

• General Contractors - Single-Family Houses > General Contractors - Residential
• Construction Materials, Nec > Prefabricated Structures > Buildings Metal