Northwestern Energy

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

• Government Offices County
• Natural Gas
• Energy Providers

North American Industry Classification System (NAICS) Categories:

• Other Electric Power Generation > Energy Companies
• Natural Gas Distribution
• Executive Offices > Executive Offices, State & Local > Government Offices County

Standard Industry Classification (SIC) Categories:

• Electric Services > Energy Companies
• Natural Gas Distribution
• Executive Offices > Executive Offices, State & Local > Government Offices County