National Grid

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

• Electric Companies
• Electric Contractors
• Customer Service Representative

North American Industry Classification System (NAICS) Categories:

• Electric Power Distribution
• Electrical Contractors
• All Other Professional, Scientific, And Technical Services > Agents Brokers & Planning Services

Standard Industry Classification (SIC) Categories:

• Electrical Work
• Electric Services
• Business Services, Nec > Agents Brokers & Planning Services