Northwest Pipeline

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

• Gas Utility Companies
• Water, Sewer & Utility Lines
• Construction & Mining Machinery

North American Industry Classification System (NAICS) Categories:

• Natural Gas Distribution > Natural Gas Companies
• Water And Sewer Line And Related Structures Construction
• Construction And Mining (Except Oil Well) Machinery And Equipment Merchant Wholesalers

Standard Industry Classification (SIC) Categories:

• Constructing Water, Sewer, Power, & Communication Lines And Pipelines
• Gas Production &/Or Distribution
• Construction & Mining Machinery