Cascade serves more than 260,000 customers in 96 communities – 68 of which are in Washington and 28 in Oregon. Cascade's service areas are concentrated in western and central Washington and centr…

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Intermountain Gas Co

Hollipark Drive 1527, 83401 Idaho Falls, United States

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North Shore Gas Co

East Randolph Street 130, 60601 Chicago, United States

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Peoples Gas

North Kilpatrick Avenue 3955, 60641 Chicago, United States

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Center Point Energy Resources

Highland Parkway 3010, 60515 Downers Grove, United States

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National Grid

Allens Avenue 670, 02905 Providence, United States

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Portland Natural Gas Transmission System

Harbour Pl 1, 03801 Portsmouth, United States

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Kinder Morgan Cochin Pipeline

Secor Road 7559, 48144 Lambertville, United States

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Kaneb Pipeline Co

South Grange Avenue 3721, 57105 Sioux Falls, United States

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Ferrellgas

South Kniss Avenue 409, 56156 Luverne, United States

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DTE Energy Co

Orchard Lake Road 1970, 48320 Sylvan Lake, United States

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Energy West Inc

9th Street North 904, 59401 Great Falls, United States

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Williams Northwest Pipeline Co

East Hawthorne Road 1022, 99218 Spokane, United States

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Portland Natural Gas Trans

Commons Avenue 18, 04062 Windham, United States

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Northern Natural Gas

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Cascade Natural Gas

South 1st Avenue 701, 98902 Yakima, United States

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Suburban Propane

Chico Way Northwest 3515, 98312 Bremerton, United States

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Suburban Propane

Coldbrook Road 881, 04401 Bangor, United States

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Throndson Oil & LP Gas Co

Schuster Lane Northwest 2525, 55901 Rochester, United States

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Sprague

International Drive 185, 03801 Portsmouth, United States

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Ferrellgas

North 2nd Street 10522, 61115 Machesney Park, United States