National Grid

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

• Consultants Referral Service
• Electric Companies
• Gas Utility Companies

North American Industry Classification System (NAICS) Categories:

• Electric Power Distribution
• Natural Gas Distribution > Natural Gas Companies
• Other Management Consulting Services > Business Consulting Information & Referral Services

Standard Industry Classification (SIC) Categories:

• Electric Services
• Gas Production &/Or Distribution
• Business Consulting Services, Nec > Business Consulting Information & Referral Services