Northern Natural Gas Pipeline Emergency-Toll Free Dial '1' & The

Northern Natural Gas Pipeline Emergency-Toll Free Dial '1' & The is also listed under the following categories: Standard Yellow Pages Heading (SYPH) Categories:

• Gas Utility Companies

North American Industry Classification System (NAICS) Categories:

• Natural Gas Distribution > Natural Gas Companies

Standard Industry Classification (SIC) Categories:

• Gas Production &/Or Distribution