National Grid Gas Services

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

• General Contractors & Building Contractors
• Electric Companies
• Gas Contractors

North American Industry Classification System (NAICS) Categories:

• Electric Power Distribution
• New Single-Family Housing Construction (Except Operative Builders) > Contractors, General
• Power And Communication Line And Related Structures Construction > Gas Line Installation & Services > Gas Contractors

Standard Industry Classification (SIC) Categories:

• General Contractors - Single-Family Houses > General Contractors - Residential
• Constructing Water, Sewer, Power, & Communication Lines And Pipelines > Gas Line Installation & Services > Gas Contractors
• Electric Services